
Japan
| Age | 27 (13-09-1998) |
| Country | |
| Birthplace | |
| Height | |
| Weight | |
| Plays | |
| Backhand | |
| Favorite Surface | |
| Coach | |
| Turned Pro | |
| Player Status | Inactive |
Hard
Clay
Grass
Indoor
All
| Aces / Game | 0.08 | 15 / 199 |
| DFs / Game | 0.40 | 79 / 199 |
| 1st Serve % | 61.0% | 777 / 1273 |
| 1st Serve Win % | 60.9% | 473 / 777 |
| 2nd Serve Win % | 44.8% | 222 / 496 |
| Service Points Win % | 54.6% | 695 / 1273 |
| Opponent Aces / Game | 0.10 | 19 / 199 |
| Opponent Double Faults / Game | 0.36 | 71 / 199 |
| Opponent 1st Serve % | 60.5% | 775 / 1281 |
| 1st Return Win % | 39.9% | 309 / 775 |
| 2nd Return Win % | 53.4% | 270 / 506 |
| Return Points Win % | 45.2% | 579 / 1281 |
| Break Points Saved Per Game | 0.37 | 74 / 199 |
| Break Points Faced Per Game | 0.78 | 155 / 199 |
| Break Points Save % | 47.7% | 74 / 155 |
| Service Hold % | 59.3% | 118 / 199 |
| Break Points Won Per Game | 0.38 | 75 / 199 |
| Opponent Break Points Per Game | 0.81 | 162 / 199 |
| BP Won % | 46.3% | 75 / 162 |
| Opp Hold % | 62.3% | 124 / 199 |
| year | All | hard | clay | indoor | grass |
| 2018 | 17-11 | 15-10 | 0-0 | 2-1 | 0-0 |
| 2017 | 20-9 | 19-7 | 1-2 | 0-0 | 0-0 |
| 2016 | 5-5 | 1-1 | 0-0 | 4-3 | 0-1 |
| 2015 | 4-3 | 1-2 | 0-0 | 0-0 | 3-1 |
| 2014 | 1-3 | 0-1 | 0-0 | 1-2 | 0-0 |
| Grand Slam | 0.0% | 0 / 0 |
| Masters | 0.0% | 0 / 0 |
| Main Tour | 0.0% | 0 / 0 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 54.8% | 17 / 14 |
| Futures | 63.8% | 30 / 17 |
| Vs No.1 | 0.0% | 0 / 0 |
| Vs Top.5 | 0.0% | 0 / 0 |
| Vs Top.10 | 0.0% | 0 / 0 |
| Vs Top.20 | 0.0% | 0 / 0 |
| Vs Top.50 | 0.0% | 0 / 0 |
| Vs Top.100 | 0.0% | 0 / 0 |
| Overall | 60.3% | 41 / 27 |
| Hard | 63.2% | 36 / 21 |
| Clay | 33.3% | 1 / 2 |
| Indoor | 33.3% | 1 / 2 |
| Grass | 60.0% | 3 / 2 |
| Final | 0.0% | 0 / 1 |
| Semi-Final | 25.0% | 1 / 3 |
| Quarter-Final | 100.0% | 4 / 0 |
| Second | 57.1% | 4 / 3 |
| First | 53.8% | 7 / 6 |
| Qualifying Final | 64.3% | 9 / 5 |
| Qualifying R2 | 53.3% | 8 / 7 |
| Qualifying R1 | 70.0% | 14 / 6 |
![]() Kumi So | Draw VIEW H2H | ![]() Ling Zhang | ||
![]() Kumi So | Draw VIEW H2H | ![]() Ksenia Lykina | ||
![]() Kumi So | Draw VIEW H2H | ![]() Nadja Gilchrist | ||
![]() Kumi So | Draw VIEW H2H | ![]() Mitsumi Kawasaki | ||
![]() Kumi So | Draw VIEW H2H | ![]() Prerna Bhambri | ||
![]() Kumi So | Draw VIEW H2H | ![]() Kotomi Takahata | ||
![]() Kumi So | Draw VIEW H2H | ![]() Risa Hasegawa | ||
![]() Kumi So | Draw VIEW H2H | ![]() Barbara Bonic | ||
![]() Kumi So | Draw VIEW H2H | ![]() Ekaterina Yashina | ||
![]() Kumi So | Draw VIEW H2H | ![]() Kai-Lin Zhang | ||
![]() Kumi So | Draw VIEW H2H | ![]() Nastja Kolar | ||
![]() Kumi So | Draw VIEW H2H | ![]() Angelina Gabueva | ||