Naomi Osaka's sister on deleted Reddit post: 'I f--ked up
Naomi Osaka's Sister Mari Announces Retirement from Tennis
Naomi Osaka's Sister Mari Announces Retirement from Tennis
Mari Osaka retires from tennis at 24 - Australian Open - Love Tennis
Mari Osaka, Naomi's sister, retires from tennis - Sports Illustrated
Naomi Osaka's sister Mari has retired from tennis aged 24, admitting she does not enjoy the sport - Eurosport
Naomi Osaka's Sister Mari Announces Retirement from Tennis
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
Tennis: Naomi Osaka's elder sister Mari retires
Tennis news Mari Osaka retires at 24, 'didn't enjoy' her career, Naomi Osaka's sister