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Ant International and NTU Singapore Collaborate on Privacy-Enhancing Technologies to Strengthen Digital Economy Growth in the Region

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Ant International and NTU Singapore Collaborate on Privacy-Enhancing Technologies to Strengthen Digital Economy Growth in the Region
News

News

Ant International and NTU Singapore Collaborate on Privacy-Enhancing Technologies to Strengthen Digital Economy Growth in the Region

2024-07-17 15:29 Last Updated At:15:41

SINGAPORE--(BUSINESS WIRE)--Jul 17, 2024--

To strengthen digital economic growth in the Asia Pacific region, Ant International and Nanyang Technological University, Singapore (NTU Singapore) have announced a collaboration over the next five years to conduct breakthrough research to advance digital trust leveraging both Ant International’s industry experience and NTU Singapore’s research expertise on Privacy Enhancing Technologies (PETs).

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20240716088375/en/

Senior Minister of State Tan Kiat How, Ministry of Digital Development and Information, witnessed the signing of the Master Research Collaboration Agreement (MRCA) between Ant International and NTU Singapore, represented by Mr Jerry Yin, Chief Technology Officer of Ant International and Professor Lam Khin Yong, Vice President (Industry) at NTU Singapore. The signing was carried out on 16 July at the Personal Data Protection (PDP) Week in Singapore.

Under the MRCA, Ant International will collaborate with NTU Singapore’s Digital Trust Centre to advance the development of PETs in Singapore and the region. These technologies aim to help businesses unlock greater value from their data and create more use cases. Additionally, the development of PETs for Artificial Intelligence (AI) will enhance digital trust and make AI more reliable. This will be achieved by minimising the risk of data leaks, allowing businesses to share data and gain valuable insights without disclosing confidential information.

Ant International will commit to contribute up to S$20 million over the next five years to support research on PETs.

Under this MRCA, Ant International will contribute a total funding amount of S$5 million for the five-year partnership until July 2029. In addition to providing research funding for the MRCA, Ant International also intends to contribute a further S$15 million to strengthen Ant International’s research capacity and subject matter expertise, to enhance the country’s overall research and development and drive responsible innovation in Asia by leveraging PETs.

During the collaboration, which will be based in NTU Singapore, researchers will have access to real-life use cases from Ant International for their projects, which will focus on advancing industry tools and processes for machine learning and secure insights sharing between businesses. This will be achieved through the use of advanced privacy enhancing technologies such as zero-knowledge proofs 1 and federated learning 2. As researchers deepen their expertise in PETs through their projects, the aim is also to develop a team of specialised talents.

Ant International and NTU will also study topics related to large language models 3 (LLMs) that preserve user privacy while training or querying LLMs. Both parties will present their findings at leading conferences focused on AI safety.

A joint research committee will also be established to oversee projects conducted under the agreement. Dr.Duan Pu, Ant International’s Head of Data Algorithm and Technology Department, and Professor Lam Kwok Yan, Executive Director of the Digital Trust Centre at NTU Singapore, will serve as Co-Chairs of the committee.

The MRCA builds on an existing collaboration on privacy-preserving computing between NTU Singapore and Ant Group, which saw the development of a new state-of-the-art Private Set Intersection (PSI) protocol that allows businesses to carry out joint database analysis while maintaining the privacy of their respective data.

Mr Tan Kiat How, Senior Minister of State, Ministry of Digital Development and Information, said: “Robust data protection is important for Singapore’s digital economy. The Ministry of Digital Development and Information has taken steps to strengthen our data ecosystem, including by encouraging the use of privacy-enhancing technologies (PETs). I am glad to see companies collaborating with our Institutes of Higher Learning to develop PETs and nurture data protection talent. Such partnerships help us advance the development and adoption of data protection tools in Singapore and the region.”

Mr Jerry Yin, Chief Technology Officer of Ant International, said: “Ant International is pleased to expand our collaboration with NTU, through this longer-term partnership. As a global digital payment and financial technology provider, data privacy is a core part of our business as we aim to provide merchants with secure, reliable and seamless solutions. By leveraging NTU’s academic expertise and Ant International’s industry experience, we look forward to advancing the development of privacy-enhancing technologies with new innovations that address real business needs.”

Professor Lam Khin Yong, Vice President (Industry) of NTU Singapore, said: “Through its Digital Trust Centre, NTU Singapore has built upon and fostered expertise and talent in Trust Technologies. The collaboration between NTU Singapore and Ant International, a leader in global digital payments and fintech, underscores NTU’s commitment to translating research innovation in the area of Privacy Enhancing Technologies into practical applications. Together, both parties will aim to pioneer innovative solutions that strengthen digital trust and security, empowering businesses to responsibly leverage data for transformative outcomes.”

Organised by Singapore’s Personal Data Protection Commission (PDPC), PDP Week convenes regional regulators/policymakers, industry leaders and international think-tanks to connect and collaborate on data use and technologies, including privacy enhancing technologies (PETs). For more information on PDP Week, please visit https://www.pdpc.gov.sg/pdpweek2024.

About Nanyang Technological University, Singapore

A research-intensive public university, Nanyang Technological University, Singapore (NTU Singapore) has 35,000 undergraduate and postgraduate students in the Business, Computing & Data Science, Engineering, Humanities, Arts, & Social Sciences, Medicine, Science, and Graduate colleges.

NTU is also home to world-renowned autonomous institutes – the National Institute of Education, S Rajaratnam School of International Studies and Singapore Centre for Environmental Life Sciences Engineering – and various leading research centres such as the Earth Observatory of Singapore, Nanyang Environment & Water Research Institute and Energy Research Institute @ NTU (ERI@N).

Under the NTU Smart Campus vision, the University harnesses the power of digital technology and tech-enabled solutions to support better learning and living experiences, the discovery of new knowledge, and the sustainability of resources.

Ranked amongst the world’s top universities, the University’s main campus is also frequently listed among the world’s most beautiful. Known for its sustainability, NTU has achieved 100% Green Mark Platinum certification for all its eligible building projects. Apart from its main campus, NTU also has a medical campus in Novena, Singapore’s healthcare district.

For more information, visit www.ntu.edu.sg

About Ant International

Headquartered in Singapore, Ant International powers the future of global commerce with digital innovation for everyone and every business to thrive. In close collaboration with partners, we support merchants of all sizes worldwide to realise their growth aspirations through a comprehensive range of tech-driven digital payment and financial services solutions.

1 Zero-knowledge proofs allow one party to prove to another that a statement is true without revealing any information beyond the validity of the statement itself.

2 Federated learning is a s a machine learning technique that enables multiple organisations to collaborate on training an AI model without sharing their actual data.

3 Large language models are models designed to protect sensitive information while processing training data or user queries, ensuring that personal or confidential data is not exposed.

From left to right: Professor Lam Kwok Yan, Executive Director of the Digital Trust Centre at NTU Singapore, Professor Lam Khin Yong, Vice President (Industry) at NTU Singapore, Mr Tan Kiat How, Senior Minister of State, Ministry of Digital Development and Information, Yang Peng, Chief Executive Officer of Ant International, Jerry Yin, Chief Technology Officer of Ant International and Dr. Duan Pu, Head of Data Algorithm and Technology Department at Ant International (Photo: Business Wire)

From left to right: Professor Lam Kwok Yan, Executive Director of the Digital Trust Centre at NTU Singapore, Professor Lam Khin Yong, Vice President (Industry) at NTU Singapore, Mr Tan Kiat How, Senior Minister of State, Ministry of Digital Development and Information, Yang Peng, Chief Executive Officer of Ant International, Jerry Yin, Chief Technology Officer of Ant International and Dr. Duan Pu, Head of Data Algorithm and Technology Department at Ant International (Photo: Business Wire)

MELBOURNE, Australia (AP) — Coco Gauff's retooled forehand and serve abandoned her in the worst way and at the worst time at the Australian Open. The unforced errors just kept accumulating Tuesday, and so did the double-faults and break points, often followed by a palm placed over her eyes or a slap to a thigh.

Add it all up, and Gauff's trip to Melbourne Park — and her 13-match winning streak that dated to late last season — ended in the quarterfinals. Never able to take control on a hot afternoon in Rod Laver Arena, the 2023 U.S. Open champion was eliminated by No. 11 Paula Badosa of Spain 7-5, 6-4.

Using tweaks to some key strokes, and a change to her coaching team after a disappointing end to her title defense in New York in September, the 20-year-old Gauff arrived in Australia with hopes of earning a second Grand Slam title.

“I feel like (at the) U.S. Open, I was playing with no solution, so that was more the frustrating part. Today, I feel like I’m playing with solutions; I know what I need to work on. U.S. Open, I needed to work on my serve. Not saying that my serve is where I want it to be, but I worked on it; obviously, a big improvement. So I want to continue working on that, continue working on playing aggressive,” Gauff said.

“So I feel like I’m on the road to the right way, right path,” she said. “Even though I lost today, I feel like I’m in an upward trajectory.”

The American entered Tuesday with a 9-0 record in 2025; she also won her last four matches of last season to collect the trophy at the WTA Finals in November.

“Just a lot more work to do,” Gauff said after the 1-hour, 43-minute loss to Badosa, who had been 0-2 in Grand Slam quarterfinals. “I’m obviously disappointed, but I’m not completely crushed.”

Badosa now heads to her first Grand Slam semifinal at age 27 — and less than a year after she was contemplating retirement because of a stress fracture in her back that took what felt like forever to heal and did not initially respond to cortisone injections.

“I wanted to (give) it a last try,” Badosa said, “Well, here I am. So I’m really proud of what we went through with all my team and especially how I (fought) through all that, especially mentally.”

In Thursday’s semifinals, she will go up against her close friend, No. 1 Aryna Sabalenka, the two-time defending champion in Melbourne. Sabalenka stretched her winning streak in the tournament to 19 matches by getting past No. 27 Anastasia Pavlyuchenkova 6-2, 2-6, 6-3.

No. 2 Alexander Zverev, a two-time finalist at other majors, was the first man into this year's Australian Open semifinals, getting there for the third time since 2020 by beating No. 12 Tommy Paul 7-6 (1), 7-6 (0), 2-6, 6-1. Paul was one point from taking the first set, then a point from taking the second, but couldn't close the deal, and Zverev was simply superior in the ensuing tiebreakers.

Zverev faces the winner of the most-anticipated men's quarterfinal: Novak Djokovic vs. Carlos Alcaraz.

Djokovic, 37, is aiming for an 11th Australian Open trophy and a record 25th Grand Slam singles title overall. Alcaraz seeks to complete a career Grand Slam at age 21 by adding a championship in Australia to the ones he already owns: two from Wimbledon plus one apiece from the U.S. Open and French Open.

Badosa was hurt during a practice at the tournament in Rome in May 2023, shortly after she began working with coach Pol Toledo. A year later, including several months off the tour, there still were issues.

“The reality is that the back was not responding. We couldn’t find a solution. Paula was frustrated,” Toledo said. “I was like: This is not working. I don’t know what we have to do.”

Relying on a new doctor, fitness coach and nutritionist, Badosa tried different exercises and supplements, and her back improved.

“The puzzle,” she said, “started to look better.”

On Tuesday, she kept the pressure on Gauff, who finished with 41 unforced errors, including six double-faults and 28 missed forehands. Badosa compiled 10 break points and won four of Gauff's service games. Gauff, meanwhile, never earned so much as a single break point until after already down a set and a break.

One key game — and one that illustrated Gauff’s problems on this afternoon — started the second set. It lasted 22 points spread over more than a dozen minutes, and Badosa converted her fifth break chance after Gauff missed two forehands in a row.

Of Badosa’s 12 points in that game, 11 came via mistakes by Gauff, including seven errant forehands.

“Today,” Gauff said, “she did better in those key moments.”

When Badosa ended the quarterfinal with a forehand winner, she placed her hand over her mouth, then knelt on the ground and bowed her head. This was a big moment for someone who reached a career-best ranking of No. 2 in 2022, but only now believes she's reached her full potential.

“Emotionally, I wanted it so much,” Badosa said. “I’m never going to feel freedom until I win the tournament. I’m always like this. It’s my personality. It’s my character."

Anastasia Pavlyuchenkova of Russia plays a forehand return to Aryna Sabalenka of Belarus during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Anastasia Pavlyuchenkova of Russia plays a forehand return to Aryna Sabalenka of Belarus during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Aryna Sabalenka of Belarus reacts during her quarterfinal match against Anastasia Pavlyuchenkova of Russia during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Aryna Sabalenka of Belarus reacts during her quarterfinal match against Anastasia Pavlyuchenkova of Russia during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Aryna Sabalenka of Belarus celebrates after defeating Anastasia Pavlyuchenkova of Russia in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Aryna Sabalenka of Belarus celebrates after defeating Anastasia Pavlyuchenkova of Russia in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany plays a backhand return to Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany plays a backhand return to Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany reacts as he holds a feather during his quarterfinal match against Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany reacts as he holds a feather during his quarterfinal match against Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany plays a backhand return to Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany plays a backhand return to Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Tommy Paul of the U.S. reacts after an attempted backhand return to Alexander Zverev of Germany during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Tommy Paul of the U.S. reacts after an attempted backhand return to Alexander Zverev of Germany during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany serves to Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Asanka Brendon Ratnayake)

Alexander Zverev of Germany serves to Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Asanka Brendon Ratnayake)

Alexander Zverev of Germany reacts as he holds a feather during his quarterfinal match against Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Alexander Zverev of Germany reacts as he holds a feather during his quarterfinal match against Tommy Paul of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. serves to Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Asanka Brendon Ratnayake)

Coco Gauff of the U.S. serves to Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Asanka Brendon Ratnayake)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Paula Badosa of Spain is congratulated by Coco Gauff, left, of the U.S. following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain is congratulated by Coco Gauff, left, of the U.S. following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain reacts after winning her quarterfinal match against Coco Gauff of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Paula Badosa of Spain reacts after winning her quarterfinal match against Coco Gauff of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain reacts after defeating Coco Gauff of the U.S. in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Paula Badosa of Spain reacts after defeating Coco Gauff of the U.S. in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Paula Badosa, left, of Spain is congratulated by Coco Gauff of the U.S. following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Paula Badosa, left, of Spain is congratulated by Coco Gauff of the U.S. following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Paula Badosa of Spain is congratulated by Coco Gauff, left, of the U.S. following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain is congratulated by Coco Gauff, left, of the U.S. following their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Vincent Thian)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain celebrates after defeating Coco Gauff of the U.S. in their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain plays a backhand return to Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain plays a backhand return to Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain talks with her coaches during her quarterfinal match against Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Paula Badosa of Spain talks with her coaches during her quarterfinal match against Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Manish Swarup)

Coco Gauff of the U.S. serves to Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Asanka Brendon Ratnayake)

Coco Gauff of the U.S. serves to Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Asanka Brendon Ratnayake)

Coco Gauff of the U.S. picks her racket up during her quarterfinal match against Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. picks her racket up during her quarterfinal match against Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain reacts during her quarterfinal match against Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain reacts during her quarterfinal match against Coco Gauff of the U.S. during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain reacts during her quarterfinal match against Coco Gauff of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Paula Badosa of Spain reacts during her quarterfinal match against Coco Gauff of the U.S. at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

Coco Gauff of the U.S. reacts during her quarterfinal match against Paula Badosa of Spain during their quarterfinal match at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 21, 2025. (AP Photo/Ng Han Guan)

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