![September 20, 2017. 20th Sep, 2017. (L-R) Naomi Osaka, Mari Osaka (JPN), September 20, 2017 -tennis : Naomi Osaka(R) her sister Mari Osaka(L) during the women's doubles first match of WTA Toray September 20, 2017. 20th Sep, 2017. (L-R) Naomi Osaka, Mari Osaka (JPN), September 20, 2017 -tennis : Naomi Osaka(R) her sister Mari Osaka(L) during the women's doubles first match of WTA Toray](https://c8.alamy.com/comp/K912CE/september-20-2017-20th-sep-2017-l-r-naomi-osaka-mari-osaka-jpn-september-K912CE.jpg)
September 20, 2017. 20th Sep, 2017. (L-R) Naomi Osaka, Mari Osaka (JPN), September 20, 2017 -tennis : Naomi Osaka(R) her sister Mari Osaka(L) during the women's doubles first match of WTA Toray
![Naomi Osaka's sister Mari has retired from tennis aged 24, admitting she does not enjoy the sport - Eurosport Naomi Osaka's sister Mari has retired from tennis aged 24, admitting she does not enjoy the sport - Eurosport](https://imgresizer.eurosport.com/unsafe/1200x0/filters:format(jpeg):focal(1605x418:1607x416)/origin-imgresizer.eurosport.com/2021/03/09/3008652-61728768-2560-1440.jpg)
Naomi Osaka's sister Mari has retired from tennis aged 24, admitting she does not enjoy the sport - Eurosport
![September 2017. 18th Sep, 2017. (L-R) Mari Osaka, Naomi Osaka (JPN), September 18, 2017 -tennis : Japan tennis player Naomi Osaka(R) and her sister Mari Osaka(L) attend photocall of WTA Toray PPO September 2017. 18th Sep, 2017. (L-R) Mari Osaka, Naomi Osaka (JPN), September 18, 2017 -tennis : Japan tennis player Naomi Osaka(R) and her sister Mari Osaka(L) attend photocall of WTA Toray PPO](https://c8.alamy.com/comp/K912BE/september-2017-18th-sep-2017-l-r-mari-osaka-naomi-osaka-jpn-september-K912BE.jpg)
September 2017. 18th Sep, 2017. (L-R) Mari Osaka, Naomi Osaka (JPN), September 18, 2017 -tennis : Japan tennis player Naomi Osaka(R) and her sister Mari Osaka(L) attend photocall of WTA Toray PPO
![I didn't ultimately enjoy it': Naomi Osaka's sister Mari, who champ said was 'up by like a million' against her, retires aged 24 — RT Sport News I didn't ultimately enjoy it': Naomi Osaka's sister Mari, who champ said was 'up by like a million' against her, retires aged 24 — RT Sport News](https://mf.b37mrtl.ru/files/2021.03/xxl/604a5cf420302776514075be.jpg)