Riko Sawayanagi

JapanAge, ranking and results

Riko Sawayanagi is a tennis player on the WTA Tour who represents Japan and reached a career-high ranking of No. 178.

1WTA Tour match

Updated Oct 5, 2026, 11:06 PM ET

Titles0 Grand Slam titles0 Career highNo. 178Oct 5, 2015 Agatha's recordNone yetno graded calls on her yet

About Riko Sawayanagi

Riko Sawayanagi is a tennis player on the WTA Tour who represents Japan. She was born on October 25, 1994, in Hakodate, Hokkaido. On October 5, 2015, Sawayanagi reached a career-high WTA Tour ranking of No. 178.

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Agatha Research DeskUpdated Oct 5, 2026

Match history1

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.

Date	Tournament	Round	Opponent	Result	Score	Surface
Sep 17	WTA Guangzhou International Women's Open		Lesley Pattinama Kerkhove	L	1-6, 5-7	Hard

How she is doing nowThrough Sep 17

Last 10-1LNewest first. Lost her last match.

Career

2017First WTA matchLost to Lesley Pattinama Kerkhove, WTA Guangzhou International Women's Open
2015Career high No. 178Oct 5, 2015
Sep 17, 2017Latest matchLost to Lesley Pattinama Kerkhove, WTA Guangzhou International Women's Open

First WTA match

Sep 17, 2017: lost to Lesley Pattinama Kerkhove 1-6, 5-7WTA Guangzhou International Women's Open, on hard

Latest match

Sep 17, 2017: lost to Lesley Pattinama Kerkhove 1-6, 5-7WTA Guangzhou International Women's Open, 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.