Name: Mari Osaka
Country: Japan
Birthdate: 03.04.96, 23 years
WTA ranking: 340
TOP ranking's position: 280 (28.05.18, 18000 points)
Points: 129
Prize money: 57050 $
Matches total: 338
Win: 191
%: 56.51 %
Country: Japan
Birthdate: 03.04.96, 23 years
WTA ranking: 340
TOP ranking's position: 280 (28.05.18, 18000 points)
Points: 129
Prize money: 57050 $
Matches total: 338
Win: 191
%: 56.51 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2019 | 8/8 | 1/2 | 7/5 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2018 | 21/22 | 7/4 | 14/15 | 0/3 | 0/0 | 0/0 | 0/0 |
| 2017 | 39/24 | 21/16 | 14/4 | 4/4 | 0/0 | 0/0 | 0/0 |
| 2016 | 16/12 | 1/5 | 6/4 | 9/3 | 0/0 | 0/0 | 0/0 |
| 2015 | 46/26 | 27/14 | 13/8 | 5/3 | 1/1 | 0/0 | 0/0 |
| 2014 | 11/18 | 5/11 | 4/4 | 1/1 | 0/0 | 1/2 | 0/0 |
| 2013 | 27/19 | 20/11 | 7/8 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2012 | 16/10 | 7/6 | 9/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2011 | 7/8 | 5/4 | 2/4 | 0/0 | 0/0 | 0/0 | 0/0 |
| TOTAL | 191/147 | 94/73 | 76/56 | 19/15 | 1/1 | 1/2 | 0/0 |
| perc. % | 56.51 % | 56.29 % | 57.58 % | 55.88 % | 50 % | 33.33 % | 0 % |
Mari Osaka / scheduled / last
| 23.05.19 00:30 | 2nd round | Mari Osaka | Magali Kempen | match details |  W25 Nonthaburi | Hard |
Mari Osaka / year 2016 / surface: Hard
| 24.10.16 | q 1 | Ingrid Neel | Mari Osaka | 6-3, 6-4 |  | match details |  Macon | Hard |
| 03.10.16 | q 1 | Mari Osaka | Alexandra Facey | 6-1, 6-0 |  | match details | Redding | Hard |
| 03.10.16 | qual. | Megan Mccray | Mari Osaka | 7-5, 6-74, 6-2 | | match details | ||
| 07.06.16 | 1st round | Miki Miyamura | Mari Osaka | 6-2, 6-4 | | match details |  Tokyo | Hard |
| 25.05.16 | 1st round | Akiko Omae | Mari Osaka | 6-4, 6-4 | | match details |  Incheon | Hard |
| 17.05.16 | 1st round | Na-Lae Han | Mari Osaka | 6-1, 6-1 | | match details | Goyang | Hard |