
Japan
| Age | 38 (22-07-1987) |
| Country | |
| Birthplace | |
| Height | |
| Weight | |
| Plays | |
| Backhand | |
| Favorite Surface | |
| Coach | |
| Turned Pro | |
| Player Status | Inactive |
Hard
Clay
Grass
Indoor
All
| Aces / Game | 0.04 | 2 / 48 |
| DFs / Game | 0.33 | 16 / 48 |
| 1st Serve % | 69.1% | 242 / 350 |
| 1st Serve Win % | 54.5% | 132 / 242 |
| 2nd Serve Win % | 37.0% | 40 / 108 |
| Service Points Win % | 49.1% | 172 / 350 |
| Opponent Aces / Game | 0.23 | 11 / 48 |
| Opponent Double Faults / Game | 0.27 | 13 / 48 |
| Opponent 1st Serve % | 63.6% | 217 / 341 |
| 1st Return Win % | 40.1% | 87 / 217 |
| 2nd Return Win % | 51.6% | 64 / 124 |
| Return Points Win % | 44.3% | 151 / 341 |
| Break Points Saved Per Game | 0.58 | 28 / 48 |
| Break Points Faced Per Game | 1.11 | 54 / 48 |
| Break Points Save % | 51.9% | 28 / 54 |
| Service Hold % | 46.4% | 22 / 48 |
| Break Points Won Per Game | 0.33 | 16 / 48 |
| Opponent Break Points Per Game | 0.72 | 35 / 48 |
| BP Won % | 45.7% | 16 / 35 |
| Opp Hold % | 67.0% | 32 / 48 |
| year | All | hard | clay | indoor | grass |
| 2016 | 2-7 | 0-3 | 0-2 | 2-2 | 0-0 |
| 2015 | 14-16 | 11-12 | 0-0 | 3-2 | 0-2 |
| 2014 | 24-20 | 17-15 | 2-1 | 2-2 | 3-2 |
| 2013 | 20-20 | 17-16 | 1-1 | 2-3 | 0-0 |
| 2012 | 10-15 | 9-9 | 0-0 | 1-1 | 0-5 |
| 2011 | 18-17 | 10-7 | 1-4 | 4-4 | 3-2 |
| 2010 | 6-5 | 2-2 | 0-0 | 4-3 | 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 | 47.1% | 32 / 36 |
| Futures | 49.2% | 62 / 64 |
| 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 | 48.6% | 84 / 89 |
| Hard | 50.8% | 66 / 64 |
| Clay | 33.3% | 4 / 8 |
| Indoor | 57.1% | 8 / 6 |
| Grass | 35.3% | 6 / 11 |
| Semi-Final | 0.0% | 0 / 2 |
| Quarter-Final | 16.7% | 2 / 10 |
| Second | 32.4% | 11 / 23 |
| First | 52.2% | 35 / 32 |
| Qualifying Final | 70.8% | 17 / 7 |
| Qualifying R2 | 38.5% | 5 / 8 |
| Qualifying R1 | 57.1% | 24 / 18 |
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Maki Arai | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Melanie South | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Emily Webley-Smith | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Piia Suomalainen | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() So-Jung Kim | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Kazusa Ito | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Natsumi Hamamura | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Mari Inoue | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Tatjana Maria | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Ayu-Fani Damayanti | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Kaori Onishi | ||
![]() Hirono Watanabe | Draw VIEW H2H | ![]() Tamarine Tanasugarn | ||
Trevisan Townsend Prediction H2H (1-2)
Zaytseva Argyrokastriti Prediction H2H (1-0)
Nagy Stusek Prediction H2H (0-1)
Rakhimova Selekhmeteva Prediction H2H (2-2)
Osaka Frech Prediction H2H (0-0)
Seibold Passola Prediction H2H (0-0)
Diana-Ioana Simionescu Daria Yesypchuk Prediction H2H (0-0)