56–81Win–Loss
40.9%Win %
0Titles
| Surface | W | L | % |
|---|---|---|---|
| Hard | 46 | 60 | 43.4% |
| Clay | 4 | 10 | 28.6% |
| Grass | 5 | 8 | 38.5% |
| Carpet | 1 | 3 | 25.0% |
Season by season
| Year | W | L | Titles | % |
|---|---|---|---|---|
| 2011 | 0 | 1 | 0 | 0.0% |
| 2010 | 1 | 1 | 0 | 50.0% |
| 2009 | 0 | 2 | 0 | 0.0% |
| 2008 | 6 | 20 | 0 | 23.1% |
| 2007 | 13 | 21 | 0 | 38.2% |
| 2006 | 22 | 18 | 0 | 55.0% |
| 2005 | 12 | 15 | 0 | 44.4% |
| 2004 | 1 | 2 | 0 | 33.3% |
| 2002 | 1 | 1 | 0 | 50.0% |
Ranking history
Matches
| Date | Tournament | Round | W/L | Opponent | Opp. rank | Score |
|---|---|---|---|---|---|---|
| 2011-10-10 | Osaka | R32 | L | Jarmila Gajdosova | 30 | 6-0 6-1 |
| 2010-10-11 | Osaka | R16 | L | Kimiko Date Krumm | 56 | 6-2 6-0 |
| 2010-10-11 | Osaka | R32 | W | Alexandra Panova | 154 | 7-6(5) 2-6 6-3 |
| 2009-06-22 | Wimbledon | R128 | L | Kristina Kucova | 149 | 2-6 6-3 6-3 |
| 2009-01-05 | Auckland | R32 | L | Elena Vesnina | 76 | 6-1 6-0 |
| 2008-09-29 | Japan Open | R32 | L | Marta Domachowska | 56 | 6-4 7-5 |
| 2008-09-15 | Tokyo | R32 | L | Agnieszka Radwanska | 10 | 6-1 6-4 |
| 2008-09-08 | Bali | R32 | L | Nadia Petrova | 22 | 6-3 6-1 |
| 2008-08-25 | US Open | R128 | L | Sybille Bammer | 30 | 6-4 6-2 |
| 2008-08-11 | Cincinnati | R32 | L | Aleksandra Wozniak | 39 | 6-3 6-2 |
| 2008-07-28 | Montreal | R64 | L | Petra Kvitova | 64 | 6-2 6-4 |
| 2008-07-21 | Los Angeles | R64 | L | Tamira Paszek | 95 | 6-4 6-2 |
| 2008-06-23 | Wimbledon | R128 | L | Vera Zvonareva | 14 | 6-1 6-7(3) 6-1 |
| 2008-06-09 | Birmingham | R16 | L | Melanie South | 154 | 2-6 6-4 6-4 |
| 2008-06-09 | Birmingham | R32 | W | Sorana Cirstea | 66 | 6-4 4-6 6-4 |
| 2008-06-09 | Birmingham | R64 | W | Tzipi Obziler | 120 | 7-5 6-3 |
| 2008-05-26 | Roland Garros | R128 | L | Svetlana Kuznetsova | 4 | 6-2 6-3 |
| 2008-05-19 | Istanbul | R16 | L | Akgul Amanmuradova | 58 | 6-3 6-3 |
| 2008-05-19 | Istanbul | R32 | W | Akiko Morigami | 67 | 3-6 7-6(6) 4-1 RET |
| 2008-04-26 | Fed Cup WG PO: JPN vs FRA | RR | L | Virginie Razzano | 28 | 6-4 6-4 |
| 2008-03-24 | Miami | R128 | L | Nathalie Dechy | 77 | 6-0 6-0 |
| 2008-03-10 | Indian Wells | R32 | L | Caroline Wozniacki | 47 | 6-0 6-2 |
| 2008-03-10 | Indian Wells | R64 | W | Zi Yan | 43 | 6-2 0-6 6-4 |
| 2008-03-03 | Bangalore | R16 | L | Patty Schnyder | 12 | 6-7(1) 6-4 6-2 |
| 2008-03-03 | Bangalore | R32 | W | Tamarine Tanasugarn | 79 | 6-7(5) 6-1 6-2 |
| 2008-02-25 | Dubai | R32 | L | Nicole Vaidisova | 14 | 6-3 6-0 |
| 2008-02-18 | Doha | R64 | L | Sybille Bammer | 19 | 6-1 6-3 |
| 2008-02-02 | Fed Cup WG2 R1: JPN vs CRO | RR | W | Nika Ozegovic | 145 | 6-0 4-6 6-2 |
| 2008-02-02 | Fed Cup WG2 R1: JPN vs CRO | RR | L | Jelena Kostanic Tosic | 141 | 6-3 3-6 6-3 |
| 2008-01-14 | Australian Open | R128 | L | Justine Henin | 1 | 6-2 6-2 |
| 2007-12-31 | Gold Coast | R32 | L | Tatjana Maria | 89 | 7-5 6-3 |
| 2007-10-08 | Bangkok | R32 | L | Klara Koukalova | 66 | 6-4 7-6(5) |
| 2007-10-01 | Japan Open | R32 | L | Klara Koukalova | 68 | 6-3 6-4 |
| 2007-09-24 | Seoul | R32 | L | Severine Beltrame | 81 | 5-7 7-6(4) 7-6(5) |
| 2007-09-17 | Beijing | R16 | L | Akiko Morigami | 56 | 7-5 6-3 |
| 2007-09-17 | Beijing | R32 | W | Lourdes Dominguez Lino | 65 | 6-1 7-6(4) |
| 2007-09-10 | Bali | QF | L | Sara Errani | 90 | 6-1 6-2 |
| 2007-09-10 | Bali | R16 | W | Yulia Fedossova | 133 | 6-2 6-2 |
| 2007-09-10 | Bali | R32 | W | Tamarine Tanasugarn | 78 | 6-1 6-7(5) 7-5 |
| 2007-08-27 | US Open | R128 | L | Ana Ivanovic | 5 | 6-1 6-1 |
| 2007-08-20 | Forest Hills | QF | L | Elena Vesnina | 58 | 6-3 6-2 |
| 2007-08-20 | Forest Hills | R16 | W | Alla Kudryavtseva | 63 | 5-7 6-3 6-4 |
| 2007-07-30 | San Diego | R32 | L | Marion Bartoli | 12 | 7-6(4) 6-1 |
| 2007-07-30 | San Diego | R64 | W | Milagros Sequera | 50 | 7-5 0-0 RET |
| 2007-07-16 | Cincinnati | R32 | L | Anna Tatishvili | 368 | 1-6 6-4 7-6(4) |
| 2007-06-25 | Wimbledon | R64 | L | Martina Hingis | 11 | 6-1 6-2 |
| 2007-06-25 | Wimbledon | R128 | W | Martina Sucha | 132 | 7-5 6-2 |
| 2007-06-18 | Eastbourne | R16 | L | Shahar Peer | 16 | 6-3 6-2 |
| 2007-06-18 | Eastbourne | R32 | W | Aravane Rezai | 60 | 6-1 6-4 |
| 2007-05-28 | Roland Garros | R128 | L | Tamira Paszek | 72 | 6-4 6-0 |
Data: Jeff Sackmann / Tennis Abstract — CC BY-NC-SA 4.0