![Japan's Taro Daniel reacts during the match against Stan Wawrinka of Switzerland at their second round match of the French Open tennis tournament at the Roland Garros stadium in Paris, om May Japan's Taro Daniel reacts during the match against Stan Wawrinka of Switzerland at their second round match of the French Open tennis tournament at the Roland Garros stadium in Paris, om May](https://c8.alamy.com/comp/2P1BATJ/japans-taro-daniel-reacts-during-the-match-against-stan-wawrinka-of-switzerland-at-their-second-round-match-of-the-french-open-tennis-tournament-at-the-roland-garros-stadium-in-paris-om-may-25-2016-the-yomiuri-shimbun-via-ap-images-2P1BATJ.jpg)
Japan's Taro Daniel reacts during the match against Stan Wawrinka of Switzerland at their second round match of the French Open tennis tournament at the Roland Garros stadium in Paris, om May
![Trier, Germany. 04th Feb, 2023. Tennis, Men: Davis Cup - qualifying round, qualifying, Germany - Switzerland; singles. Germany's Daniel Altmaier cheers during the match against Switzerland's Wawrinka. Credit: Harald Tittel/dpa/Alamy Live News Trier, Germany. 04th Feb, 2023. Tennis, Men: Davis Cup - qualifying round, qualifying, Germany - Switzerland; singles. Germany's Daniel Altmaier cheers during the match against Switzerland's Wawrinka. Credit: Harald Tittel/dpa/Alamy Live News](https://c8.alamy.com/comp/2MYA067/trier-germany-04th-feb-2023-tennis-men-davis-cup-qualifying-round-qualifying-germany-switzerland-singles-germanys-daniel-altmaier-cheers-during-the-match-against-switzerlands-wawrinka-credit-harald-titteldpaalamy-live-news-2MYA067.jpg)
Trier, Germany. 04th Feb, 2023. Tennis, Men: Davis Cup - qualifying round, qualifying, Germany - Switzerland; singles. Germany's Daniel Altmaier cheers during the match against Switzerland's Wawrinka. Credit: Harald Tittel/dpa/Alamy Live News
![Daniel Gimeno-Traver of Spain returns a ball to Andreas Beck of Germany during the second round match at the Suisse Open tennis tournament in Gstaad, Switzerland, Wednesday, July 28, 2010. (AP Photo/Keystone, Daniel Gimeno-Traver of Spain returns a ball to Andreas Beck of Germany during the second round match at the Suisse Open tennis tournament in Gstaad, Switzerland, Wednesday, July 28, 2010. (AP Photo/Keystone,](https://c8.alamy.com/comp/2P7ET5B/daniel-gimeno-traver-of-spain-returns-a-ball-to-andreas-beck-of-germany-during-the-second-round-match-at-the-suisse-open-tennis-tournament-in-gstaad-switzerland-wednesday-july-28-2010-ap-photokeystone-peter-klaunzer-2P7ET5B.jpg)
Daniel Gimeno-Traver of Spain returns a ball to Andreas Beck of Germany during the second round match at the Suisse Open tennis tournament in Gstaad, Switzerland, Wednesday, July 28, 2010. (AP Photo/Keystone,
![Roger Federer, of Switzerland, returns a shot to Daniel Evans, of the United Kingdom, during round three of the US Open tennis championships Friday, Aug. 30, 2019, in New York. (AP Photo/Sarah Roger Federer, of Switzerland, returns a shot to Daniel Evans, of the United Kingdom, during round three of the US Open tennis championships Friday, Aug. 30, 2019, in New York. (AP Photo/Sarah](https://c8.alamy.com/comp/2MJ9N51/roger-federer-of-switzerland-returns-a-shot-to-daniel-evans-of-the-united-kingdom-during-round-three-of-the-us-open-tennis-championships-friday-aug-30-2019-in-new-york-ap-photosarah-stier-2MJ9N51.jpg)
Roger Federer, of Switzerland, returns a shot to Daniel Evans, of the United Kingdom, during round three of the US Open tennis championships Friday, Aug. 30, 2019, in New York. (AP Photo/Sarah
![Daniel Masur with first Challenger success: "So that you don't stay a rookie for 10 years" · tennisnet.com Daniel Masur with first Challenger success: "So that you don't stay a rookie for 10 years" · tennisnet.com](https://www.tennisnet.com/fileadmin/_processed_/f/c/csm_Daniel-masur_3cd7fb6569.jpg)
Daniel Masur with first Challenger success: "So that you don't stay a rookie for 10 years" · tennisnet.com
![Valent uses warmup with Federer as motivation – Vanderbilt University Athletics – Official Athletics Website Valent uses warmup with Federer as motivation – Vanderbilt University Athletics – Official Athletics Website](https://vucommodores.com/wp-content/uploads/2000/01/DanielValent4_30.jpg)
Valent uses warmup with Federer as motivation – Vanderbilt University Athletics – Official Athletics Website
![Roger Federer of Switzerland plays Daniel Evans of the United Kingdom in the third round of the U.S. Open tennis tournament at the USTA Billie Jean King National Tennis Center on Friday, Roger Federer of Switzerland plays Daniel Evans of the United Kingdom in the third round of the U.S. Open tennis tournament at the USTA Billie Jean King National Tennis Center on Friday,](https://c8.alamy.com/comp/2MJ95G3/roger-federer-of-switzerland-plays-daniel-evans-of-the-united-kingdom-in-the-third-round-of-the-us-open-tennis-tournament-at-the-usta-billie-jean-king-national-tennis-center-on-friday-aug-30-2019-in-new-york-photo-by-charles-sykesinvisionap-2MJ95G3.jpg)
Roger Federer of Switzerland plays Daniel Evans of the United Kingdom in the third round of the U.S. Open tennis tournament at the USTA Billie Jean King National Tennis Center on Friday,
![Benjamin Bonzi of France returns the ball to Daniel Altmaier of Germany at the Swiss Open tennis tournament in Gstaad, Switzerland, on Monday, July 17, 2023. (Peter Schneider/Keystone via AP Stock Photo - Benjamin Bonzi of France returns the ball to Daniel Altmaier of Germany at the Swiss Open tennis tournament in Gstaad, Switzerland, on Monday, July 17, 2023. (Peter Schneider/Keystone via AP Stock Photo -](https://c8.alamy.com/comp/2RCX8PC/benjamin-bonzi-of-france-returns-the-ball-to-daniel-altmaier-of-germany-at-the-swiss-open-tennis-tournament-in-gstaad-switzerland-on-monday-july-17-2023-peter-schneiderkeystone-via-ap-2RCX8PC.jpg)