Mari Osaka

JapanAge, ranking and results

Mari Osaka is a retired tennis player from Japan who reached a career-high WTA Tour ranking of No. 280 on May 28, 2018.

2WTA Tour matches

Updated Oct 5, 2026, 11:06 PM ET

Titles0 Grand Slam titles0 Career highNo. 280May 28, 2018 Agatha's recordNone yetno graded calls on her yet

About Mari Osaka

Mari Osaka was born on April 3, 1996, in Osaka, Japan, and played right-handed with a two-handed backhand. She reached a career-high WTA Tour ranking of No. 280 on May 28, 2018, and retired in 2021.

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Agatha Research DeskUpdated Oct 5, 2026

Match history2

Every WTA Tour, Grand Slam and Olympic main-draw match in our records, newest first. A walkover is listed but never counted in a record.

2019: 0-1

Date	Tournament	Round	Opponent	Result	Score	Surface
Mar 21	Miami Open	Round 1	Whitney Osuigwe	L	2-6, 4-6	Hard

Date	Tournament	Round	Opponent	Result	Score	Surface
Sep 29	ATP & WTA China Open	Round 1	Angelique Kerber	L	2-6, 5-7	Hard

How she is doing nowThrough Mar 21

Last 20-2LLNewest first. Two losses in a row.

Mar 21vs Whitney OsuigweMar 21 - Miami Open, Round 1L2-6, 4-6
Sep 29vs Angelique KerberSep 29 - ATP & WTA China Open, Round 1L2-6, 5-7

Career

2017First WTA matchLost to Angelique Kerber, ATP & WTA China Open
2018Career high No. 280May 28, 2018
Mar 21, 2019Latest matchLost to Whitney Osuigwe, Miami Open

First WTA match

Sep 29, 2017: lost to Angelique Kerber 2-6, 5-7ATP & WTA China Open, on hard

Latest match

Mar 21, 2019: lost to Whitney Osuigwe 2-6, 4-6Miami Open, Round 1, on hard court

Sources and updates

Results and schedules come from Agatha's own records of the WTA Tour.

Updated Oct 5, 2026, 11:06 PM ET. Results and form refresh after every match; biography facts are checked weekly.