
Japan
| Age | 48 (14-03-1978) |
| Country | |
| Birthplace | |
| Height | |
| Weight | |
| Plays | |
| Backhand | |
| Favorite Surface | |
| Coach | |
| Turned Pro | |
| Player Status | Inactive |
Hard
Clay
Grass
Indoor
All
| Aces / Game | NaN | 0 / 0 |
| DFs / Game | NaN | 0 / 0 |
| 1st Serve % | 0% | 0 / 0 |
| 1st Serve Win % | 0% | 0 / 0 |
| 2nd Serve Win % | 0% | 0 / 0 |
| Service Points Win % | 0% | 0 / 0 |
| Opponent Aces / Game | NaN | 0 / 0 |
| Opponent Double Faults / Game | NaN | 0 / 0 |
| Opponent 1st Serve % | 0% | 0 / 0 |
| 1st Return Win % | 0% | 0 / 0 |
| 2nd Return Win % | 0% | 0 / 0 |
| Return Points Win % | 0% | 0 / 0 |
| Break Points Saved Per Game | NaN | 0 / 0 |
| Break Points Faced Per Game | NaN | 0 / 0 |
| Break Points Save % | 0% | 0 / 0 |
| Service Hold % | 0% | 0 / 0 |
| Break Points Won Per Game | NaN | 0 / 0 |
| Opponent Break Points Per Game | NaN | 0 / 0 |
| BP Won % | 0% | 0 / 0 |
| Opp Hold % | 0% | 0 / 0 |
| year | All | hard | clay | indoor | grass |
| 2010 | 1-3 | 0-1 | 0-0 | 1-2 | 0-0 |
| 2009 | 14-18 | 7-9 | 0-0 | 5-8 | 2-1 |
| 2008 | 12-25 | 5-15 | 1-1 | 6-9 | 0-0 |
| 2007 | 25-22 | 11-11 | 0-0 | 14-9 | 0-2 |
| 2006 | 34-25 | 13-11 | 10-7 | 10-5 | 1-2 |
| 2005 | 27-23 | 14-15 | 0-0 | 11-7 | 2-1 |
| 2004 | 21-25 | 20-19 | 0-0 | 1-6 | 0-0 |
| 2003 | 13-17 | 8-11 | 0-1 | 5-4 | 0-1 |
| 2002 | 9-11 | 5-9 | 0-0 | 4-2 | 0-0 |
| 1996 | 0-1 | 0-0 | 0-1 | 0-0 | 0-0 |
| Grand Slam | 30.8% | 4 / 9 |
| Masters | 33.3% | 3 / 6 |
| Main Tour | 49.0% | 24 / 25 |
| Cups | 0.0% | 0 / 0 |
| Challengers | 49.8% | 121 / 122 |
| Futures | 36.4% | 4 / 7 |
| 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 / 2 |
| Vs Top.100 | 10.5% | 2 / 17 |
| Overall | 44.8% | 107 / 132 |
| Hard | 44.6% | 86 / 107 |
| Clay | 50.0% | 11 / 11 |
| Indoor | 41.7% | 5 / 7 |
| Grass | 41.7% | 5 / 7 |
| Final | 12.5% | 1 / 7 |
| Semi-Final | 44.4% | 8 / 10 |
| Quarter-Final | 56.7% | 17 / 13 |
| Third | 0.0% | 0 / 2 |
| Second | 45.6% | 31 / 37 |
| First | 50.7% | 68 / 66 |
| Qualifying Final | 50.0% | 4 / 4 |
| Qualifying R2 | 30.4% | 7 / 16 |
| Qualifying R1 | 51.1% | 23 / 22 |
Title
Finals
![]() Seiko Okamoto | Loss VIEW H2H | ![]() Madalina Niculaita | ||
![]() Seiko Okamoto | Loss VIEW H2H | ![]() Adriana Serra Zanetti | ||
![]() Seiko Okamoto | Loss VIEW H2H | ![]() Shinobu Asagoe | ||
![]() Seiko Okamoto | Loss VIEW H2H | ![]() Anna-Lena Groenefeld | ||
![]() Seiko Okamoto | Loss VIEW H2H | ![]() Marta Marrero | ||
![]() Seiko Okamoto | Draw VIEW H2H | ![]() Evie Dominikovic | ||
![]() Seiko Okamoto | Draw VIEW H2H | ![]() Meilen Tu | ||
![]() Seiko Okamoto | Draw VIEW H2H | ![]() Els Callens | ||
![]() Seiko Okamoto | Draw VIEW H2H | ![]() Mi-Ra Jeon | ||
![]() Seiko Okamoto | Draw VIEW H2H | ![]() Seda Noorlander | ||
![]() Seiko Okamoto | Draw VIEW H2H | ![]() Nicole Pratt | ||
![]() Seiko Okamoto | Draw VIEW H2H | ![]() Lisa Raymond | ||