![Yokohama, Japan. 20th Mar, 2023. 17-year-old female tennis player Sayaka Ishii (L) poses for photo with her father Takuro (R), former professional baseball player and now a coach of Yokohama Baystars as Yokohama, Japan. 20th Mar, 2023. 17-year-old female tennis player Sayaka Ishii (L) poses for photo with her father Takuro (R), former professional baseball player and now a coach of Yokohama Baystars as](https://c8.alamy.com/comp/2PG1RF9/yokohama-japan-20th-mar-2023-17-year-old-female-tennis-player-sayaka-ishii-l-poses-for-photo-with-her-father-takuro-r-former-professional-baseball-player-and-now-a-coach-of-yokohama-baystars-as-she-announces-to-become-a-professional-tennis-player-from-march-21-at-a-press-conference-in-yokohama-suburban-tokyo-on-monday-march-20-2023-ishii-finished-the-semi-finalist-at-the-junior-tournament-of-the-australian-open-tennis-this-year-photo-by-yoshio-tsunodaaflo-2PG1RF9.jpg)
Yokohama, Japan. 20th Mar, 2023. 17-year-old female tennis player Sayaka Ishii (L) poses for photo with her father Takuro (R), former professional baseball player and now a coach of Yokohama Baystars as
![Tokyo, Japan. 22nd Sep, 2018. US Open champion Naomi Osaka of Japan returns the ball against Camila Giorgi of Italy during the semi final of the Toray Pan Pacific Open tennis tournament Tokyo, Japan. 22nd Sep, 2018. US Open champion Naomi Osaka of Japan returns the ball against Camila Giorgi of Italy during the semi final of the Toray Pan Pacific Open tennis tournament](https://c8.alamy.com/comp/PP5639/tokyo-japan-22nd-sep-2018-us-open-champion-naomi-osaka-of-japan-returns-the-ball-against-camila-giorgi-of-italy-during-the-semi-final-of-the-toray-pan-pacific-open-tennis-tournament-in-tokyo-on-saturday-september-22-2018-osaka-defeated-giorgi-6-2-6-3-credit-yoshio-tsunodaafloalamy-live-news-PP5639.jpg)
Tokyo, Japan. 22nd Sep, 2018. US Open champion Naomi Osaka of Japan returns the ball against Camila Giorgi of Italy during the semi final of the Toray Pan Pacific Open tennis tournament
![Andy Murray is one of the best players in the world when fully fit, says Boris Becker | Tennis News | Sky Sports Andy Murray is one of the best players in the world when fully fit, says Boris Becker | Tennis News | Sky Sports](https://e0.365dm.com/18/01/768x432/skysports-andy-murray-brisbane-international_4196594.jpg?20180102081208)