
Japan
| Age | 32 (19-11-1993) |
| Country | |
| Birthplace | Tokyo, Japan |
| Height | 168 |
| Weight | 83 |
| Plays | Right-Handed |
| Backhand | Two-Handed |
| Favorite Surface | |
| Coach | Yagi Takashi |
| Turned Pro | |
| Player Status | Inactive |
Hard
Clay
Grass
Indoor
All
| Aces / Game | 0.35 | 9 / 26 |
| DFs / Game | 0.46 | 12 / 26 |
| 1st Serve % | 45.1% | 82 / 182 |
| 1st Serve Win % | 61.0% | 50 / 82 |
| 2nd Serve Win % | 37.0% | 37 / 100 |
| Service Points Win % | 47.8% | 87 / 182 |
| Opponent Aces / Game | 0.42 | 11 / 26 |
| Opponent Double Faults / Game | 0.23 | 6 / 26 |
| Opponent 1st Serve % | 65.0% | 89 / 137 |
| 1st Return Win % | 28.1% | 25 / 89 |
| 2nd Return Win % | 56.3% | 27 / 48 |
| Return Points Win % | 38.0% | 52 / 137 |
| Break Points Saved Per Game | 0.77 | 20 / 26 |
| Break Points Faced Per Game | 1.31 | 34 / 26 |
| Break Points Save % | 58.8% | 20 / 34 |
| Service Hold % | 46.2% | 12 / 26 |
| Break Points Won Per Game | 0.38 | 10 / 26 |
| Opponent Break Points Per Game | 0.50 | 13 / 26 |
| BP Won % | 76.9% | 10 / 13 |
| Opp Hold % | 61.5% | 16 / 26 |
| Japan F8 (Akishima) | ||||||
13 Jun 2018 R2 | 6 2 6 0 | L | H2H 0-0 | |||
11 Jun 2018 QF | 6 4 2 6 6 2 | W | H2H 0-0 | |||
11 Jun 2018 R1 | 6 3 6 3 | W | H2H 0-0 | |||
09 Jun 2018 Q1 | 7 6 6 1 | W | H2H 0-0 | |||
| year | All | hard | clay | indoor | grass |
| 2018 | 4-3 | 0-1 | 0-0 | 4-2 | 0-0 |
| 2017 | 14-7 | 9-5 | 1-1 | 4-1 | 0-0 |
| 2016 | 14-8 | 11-6 | 2-1 | 1-1 | 0-0 |
| 2015 | 17-14 | 9-9 | 4-2 | 4-3 | 0-0 |
| 2014 | 26-15 | 17-10 | 4-2 | 5-3 | 0-0 |
| 2013 | 12-12 | 8-8 | 2-2 | 2-2 | 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 | 50.0% | 8 / 8 |
| Futures | 60.8% | 79 / 51 |
| 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 | 58.5% | 69 / 49 |
| Hard | 58.1% | 54 / 39 |
| Clay | 61.9% | 13 / 8 |
| Indoor | 50.0% | 2 / 2 |
| Grass | 0.0% | 0 / 0 |
| Quarter-Final | 0.0% | 0 / 3 |
| Second | 30.0% | 3 / 7 |
| First | 32.3% | 10 / 21 |
| Qualifying Final | 72.4% | 21 / 8 |
| Qualifying R2 | 67.7% | 21 / 10 |
| Qualifying R1 | 76.2% | 32 / 10 |
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Byung-Kook Kang | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Yuichi Ito | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Kento Takeuchi | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Kittiphong Wachiramanowong | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Sho Katayama | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Arata Onozawa | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Yu Chang | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Mao-Xin Gong | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Shinta Fujii | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Alexandros Siderakos | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Michael Venus | ||
![]() Keisuke Watanuki | Draw VIEW H2H | ![]() Takao Suzuki | ||
Mahjoob Kumar Prediction H2H (0-0)
Yunchaokete Tabur Prediction H2H (0-0)
Ferguson Yamanaka Prediction H2H (0-1)
Anavatan Tepmahc Prediction H2H (0-0)
Braynin Karpinski Prediction H2H (0-0)
Mejia Heide Prediction H2H (0-1)
Matteo Sciahbasi Giulio Perego Prediction H2H (0-0)