WTAranked 97 (2009-10-12)rating 1582 · peak 1716
Ai Sugiyama
Japan · 51 years old · plays right-handed · 5'4" tall · born in Tokyo, Japan
WTA singles record since 2007
Won-lost
50-61
45% of matches
Titles
0
0 finals lost
Tiebreaks
14-14
won-lost
Deciding sets
18 of 36
49% of games won
By surface
| Surface | Won-lost | Win % | Games won | Tiebreaks | Rating |
|---|---|---|---|---|---|
| hard | 33-39 | 46% | 49% | 10-10 | 1606 |
| clay | 9-12 | 43% | 48% | 1-2 | 1492 |
| grass | 6-7 | 46% | 50% | 3-2 | 1582 |
Counted from scores; walkovers excluded. See surface Elo and share of games won.
Recent matches
| Date | Tournament | Opponent | Result | Score |
|---|---|---|---|---|
| 2009-09-28 | WTA Tour Toray Pan Pacific Open Round 1 | Nadia Petrova | loss | 6-0 2-1 ret. |
| 2009-08-31 | US Open Round 1 | Samantha Stosur | loss | 6-4 4-6 6-4 |
| 2009-08-24 | WTA Pilot Pen Tennis presented by Schick Round 1 | Amelie Mauresmo | loss | 6-4 6-1 |
| 2009-08-19 | WTA Rogers Cup Round 2 | Elena Dementieva | loss | 6-3 6-2 |
| 2009-08-17 | WTA Rogers Cup Round 1 | Iveta Benesova | win | 6-3 6-4 |
| 2009-08-11 | WTA Tour Western & Southern Financial Group Women's Open Round 1 | Agnieszka Radwanska | loss | 6-2 6-1 |
| 2009-08-05 | WTA LA Women's Tennis Championships Presented by Herbalife Round 2 | Agnieszka Radwanska | loss | 6-2 6-1 |
| 2009-08-03 | WTA LA Women's Tennis Championships Presented by Herbalife Round 1 | Carly Gullickson | win | 6-3 6-1 |
| 2009-07-27 | WTA Tour Bank of the West Classic Round 1 | Maria Sharapova | loss | 6-4 6-7(6) 6-1 |
| 2009-06-26 | Wimbledon Round 3 | Daniela Hantuchova | loss | 6-4 6-3 |
| 2009-06-24 | Wimbledon Round 2 | Arantxa Parra Santonja | win | 7-6(5) 6-3 |
| 2009-06-22 | Wimbledon Round 1 | Patty Schnyder | win | 6-4 6-4 |
| 2009-06-16 | WTA AEGON International Round 1 | Vera Dushevina | loss | 6-7(6) 7-5 6-4 |
| 2009-05-25 | French Open Round 1 | Aravane Rezai | loss | 6-3 6-2 |
| 2009-05-11 | WTA Mutua Madrilena Madrid Open Round 1 | Amelie Mauresmo | loss | 6-2 6-4 |
| 2009-05-04 | WTA Internazionali BNL d'Italia Round 1 | Alize Cornet | loss | 6-3 7-5 |
| 2009-04-28 | WTA Tour Porsche Tennis Grand Prix Round 1 | Agnes Szavay | loss | 6-3 2-6 7-6(4) |
| 2009-03-28 | WTA Sony Ericsson Open, Miami Florida, USA Round 2 | Ekaterina Makarova | loss | 6-3 6-4 |
| 2009-03-14 | WTA BNP Paribas Open Round 2 | Angela Haynes | loss | 6-4 7-5 |
| 2009-02-16 | WTA Barclays Dubai Tennis Championships Round 1 | Marion Bartoli | loss | 6-0 4-6 7-6(6) |
| 2009-01-23 | Australian Open Round 3 | Jelena Jankovic | loss | 6-4 6-4 |
| 2009-01-21 | Australian Open Round 2 | Nathalie Dechy | win | 1-6 6-1 6-3 |
| 2009-01-19 | Australian Open Round 1 | Stephanie Dubois | win | 6-0 7-6(5) |
| 2009-01-15 | WTA Medibank International SF | Dinara Safina | loss | 6-4 7-6(3) |
| 2009-01-14 | WTA Medibank International QF | Svetlana Kuznetsova | win | w/o |
| 2009-01-13 | WTA Medibank International Round 2 | Anabel Medina Garrigues | win | 2-6 6-1 6-2 |
| 2009-01-12 | WTA Medibank International Round 1 | Jill Craybas | win | 6-2 6-3 |
| 2009-01-05 | WTA Brisbane International Round 1 | Samantha Stosur | loss | 6-2 6-3 |
| 2008-10-21 | WTA Generali Ladies Linz Round 1 | Marion Bartoli | loss | 6-4 2-6 7-6(8) |
| 2008-09-25 | WTA Tour China Open Round 2 | Zheng Jie | loss | 6-1 6-2 |
| 2008-09-23 | WTA Tour China Open Round 1 | Yan Zi | win | 6-3 6-4 |
| 2008-09-17 | WTA Tour Toray Pan Pacific Open Round 1 | Virginie Razzano | loss | 6-3 6-2 |
| 2008-08-30 | US Open Round 3 | Serena Williams | loss | 6-2 6-1 |
| 2008-08-28 | US Open Round 2 | Olga Govortsova | win | 4-6 7-6(4) 6-1 |
| 2008-08-26 | US Open Round 1 | Andreja Klepac | win | 4-6 6-3 4-2 ret. |
| 2008-08-01 | WTA Rogers Cup presented by National Bank QF | Marion Bartoli | loss | 6-2 6-3 |
| 2008-07-30 | WTA Rogers Cup presented by National Bank Round 2 | Shahar Peer | win | 6-2 6-2 |
| 2008-07-29 | WTA Rogers Cup presented by National Bank Round 1 | Nicole Vaidisova | win | 6-3 3-6 6-2 |
| 2008-07-24 | WTA East West Bank Classic Round 3 | Flavia Pennetta | loss | 7-6(5) 6-3 |
| 2008-07-23 | WTA East West Bank Classic Round 2 | Patty Schnyder | win | 6-4 7-5 |
| 2008-07-22 | WTA East West Bank Classic Round 1 | Sabine Lisicki | win | 6-4 6-4 |
| 2008-07-19 | WTA Tour Bank of the West Classic SF | Marion Bartoli | loss | 6-3 6-3 |
| 2008-07-18 | WTA Tour Bank of the West Classic QF | Dominika Cibulkova | win | 6-7(4) 7-6(5) 5-3 ret. |
| 2008-07-16 | WTA Tour Bank of the West Classic Round 2 | Daniela Hantuchova | win | 6-3 6-1 |
| 2008-07-14 | WTA Tour Bank of the West Classic Round 1 | Alexa Glatch | win | 6-2 3-6 7-5 |
| 2008-06-28 | Wimbledon Round 3 | Alisa Kleybanova | loss | 6-4 6-4 |
| 2008-06-26 | Wimbledon Round 2 | Flavia Pennetta | win | 7-6(5) 2-6 6-2 |
| 2008-06-24 | Wimbledon Round 1 | Yanina Wickmayer | win | 6-4 6-2 |
| 2008-06-16 | WTA Tour Ordina Open Round 1 | Michaella Krajicek | loss | 6-1 5-7 7-6(7) |
| 2008-05-29 | French Open Round 2 | Olga Govortsova | loss | 6-0 7-5 |
| 2008-05-27 | French Open Round 1 | Alla Kudryavtseva | win | 6-1 2-6 6-3 |
| 2008-05-22 | WTA Internationaux de Strasbourg QF | Yung-Jan Chan | loss | 6-4 6-2 |
| 2008-05-21 | WTA Internationaux de Strasbourg Round 2 | Petra Kvitova | win | 6-4 6-3 |
| 2008-05-19 | WTA Internationaux de Strasbourg Round 1 | Mariya Koryttseva | win | 7-5 7-5 |
| 2008-05-12 | WTA Internazionali BNL d'Italia 2008 Round 1 | Vera Zvonareva | loss | 6-3 6-3 |
| 2008-04-15 | WTA Tour Family Circle Cup Round 2 | Agnes Szavay | loss | 7-5 3-6 6-4 |
| 2008-04-14 | WTA Tour Family Circle Cup Round 1 | Ayumi Morita | win | 6-4 6-1 |
| 2008-04-08 | WTA Tour Bausch & Lomb Championships Round 1 | Karolina Sprem | loss | 6-4 7-6(3) |
| 2008-03-31 | WTA Sony Ericsson Open Round 4 | Vera Zvonareva | final | n/a |
| 2008-03-30 | WTA Sony Ericsson Open Round 3 | Daniela Hantuchova | win | 6-4 6-7(8) 7-5 |
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