Koga Ai - profile
Koga AiCountry: Japan Age: 35 (3. 10. 1991) Current/Highest rank - singles: - / 782. Sex: woman Plays: right |
- Next match
| Tournament | Round | Start | Match | H | A |
|---|---|---|---|---|---|
| No upcoming matches. | |||||
- Tournaments results
Player's record
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
| Taipei 6 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 23.10. | Wu H. - Koga A. | 1R | 6-4, 1-6, 6-1 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 13.10. | Sasaki H. - Koga A. | Q-1R | ||||
| Kyoto ITF | Round | Result | H | A | ||
| 12.09. | Hasegawa R. - Koga A. | R16 | 3-6, 6-3, 7-64 | |||
| 11.09. | Koga A. - Kinoshita M. | 1R | 6-0, 4-6, 6-3 | |||
| Miyazaki ITF | Round | Result | H | A | ||
| 15.03. | Miyazaki Y. - Koga A. | QF | 7-5, 5-7, 7-5 | |||
| 14.03. | Koga A. - Araki S. | R16 | 7-5, 6-2 | |||
| 13.03. | Koga A. - Juan T. | 1R | 6-2, 6-2 | |||
| 12.03. | Koga A. - Yokota N. | Q-R16 | 6-0, 4-6, 6-3 | |||
| No matches. |
| No matches. |
| Toyota ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 19.11. | Tezuka R. - Koga A. | Q-1R | 6-3, 7-63 | |||
| Hamanako ITF | Round | Result | H | A | ||
| 23.10. | Shimizu S. - Koga A. | Q-1R | 6-0, 6-2 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 17.10. | Mutaguchi E. - Koga A. | Q-R16 | 3-6, 7-5, 7-68 | |||
| 16.10. | Koga A. - Suzuki R. | Q-1R | 6-0, 6-0 | |||
| Mie ITF | Round | Result | H | A | ||
| 31.05. | Nakano Y. - Koga A. | 1R | 6-4, 6-1 | |||
| Karuizawa ITF | Round | Result | H | A | ||
| 17.05. | Hisami K. - Koga A. | 1R | 6-4, 6-2 | |||
| 16.05. | Koga A. - Miyazaki Y. | Q-R16 | 6-2, 6-2 | |||
| 15.05. | Koga A. - Mori M. | Q-1R | 6-2, 6-0 | |||
| Miyazaki ITF | Round | Result | H | A | ||
| 15.03. | Imanishi M. - Koga A. | 1R | 6-1, 6-0 | |||
| 14.03. | Koga A. - Nishi S. | Q-R16 | 6-0, 6-1 | |||
| No matches. |
| No matches. |
| Gimcheon 5 ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 23.12. | Kim S. - Koga A. | QF | 6-3, 5-7, 6-3 | |||
| 22.12. | Koga A. - Kim J. | R16 | 7-5, 7-6 | |||
| 21.12. | Koga A. - Hong S. | 1R | 6-3, 7-6 | |||
| Toyota ITF | Round | Result | H | A | ||
| 21.11. | Oka A. - Koga A. | Q-R16 | 6-0, 6-0 | |||
| 20.11. | Koga A. - Yamazaki C. | Q-1R | 7-5, 7-64 | |||
| Hyogo ITF | Round | Result | H | A | ||
| 16.11. | Eguchi M. - Koga A. | 1R | 6-4, 6-1 | |||
| Hamanako ITF | Round | Result | H | A | ||
| 27.09. | Yamasoto A. - Koga A. | Q-R16 | 6-3, 6-3 | |||
| 26.09. | Koga A. - Kitazaki E. | Q-1R | 6-1, 6-2 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 21.09. | Iijima K. - Koga A. | 1R | 6-0, 6-4 | |||
| 20.09. | Koga A. - Zhong Y. | Q-R16 | 6-2, 6-3 | |||
| 19.09. | Koga A. - Watanabe H. | Q-1R | 7-5, 6-1 | |||
| Kyoto ITF | Round | Result | H | A | ||
| 12.09. | Omae A. - Koga A. | Q-1R | 6-4, 6-4 | |||
| Kusatsu ITF | Round | Result | H | A | ||
| 22.05. | Inoue M. - Koga A. | Q-1R | 6-1, 6-2 | |||
| Karuizawa ITF | Round | Result | H | A | ||
| 17.05. | Yamasoto A. - Koga A. | Q-R16 | 6-2, 6-0 | |||
| 16.05. | Koga A. - Gaverova M. | Q-1R | 6-4, 7-5 | |||
| Mie ITF | Round | Result | H | A | ||
| 19.04. | Ito E. - Koga A. | Q-R16 | 4-6, 7-64, 6-2 | |||
| 18.04. | Koga A. - Noi Y. | Q-1R | 6-3, 7-67 | |||
| No matches. |
| No matches. |
| Toyota ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 21.11. | Onishi K. - Koga A. | Q-1R | 7-64, 3-6, 6-1 | |||
| Hyogo ITF | Round | Result | H | A | ||
| 17.11. | Kozawa M. - Koga A. | 1R | 6-4, 6-3 | |||
| Makinohara ITF | Round | Result | H | A | ||
| 20.09. | Takao E. - Koga A. | Q-1R | 6-0, 6-1 | |||
| Kyoto ITF | Round | Result | H | A | ||
| 15.09. | Wannasuk N. - Koga A. | 1R | 6-1, 6-1 | |||
| 14.09. | Koga A. - Kuroda Y. | Q-R16 | 64-7, 6-2, 6-4 | |||
| 13.09. | Koga A. - Higuchi Y. | Q-1R | 7-62, 7-5 | |||
| Noto ITF | Round | Result | H | A | ||
| 05.09. | Karikomi S. - Koga A. | Q-1R | 6-3, 6-4 | |||
| Gunma ITF | Round | Result | H | A | ||
| 25.05. | Aoyama S. - Koga A. | Q-R16 | 7-5, 7-5 | |||
| 24.05. | Koga A. - Koshino Y. | Q-1R | 6-3, 6-1 | |||
| Nagano ITF | Round | Result | H | A | ||
| 18.05. | Onishi K. - Koga A. | Q-R16 | 6-4, 6-2 | |||
| 17.05. | Koga A. - Ogi C. | Q-1R | 7-61, 6-2 | |||
| No matches. |
| No matches. |
| Kyoto ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 16.09. | Arai M. - Koga A. | 1R | 6-1, 6-1 | |||
| 14.09. | Koga A. - Sekine K. | Q-R16 | 6-3, 6-1 | |||
| 13.09. | Koga A. - Nakano A. | Q-1R | 6-3, 6-1 | |||
| Noto ITF | Round | Result | H | A | ||
| 11.09. | Curtis J. - Koga A. | QF | 6-3, 6-3 | |||
| 10.09. | Koga A. - Hwang I. | R16 | 6-4, 6-4 | |||
| 09.09. | Koga A. - Zhang L. | 1R | 7-66, 6-3 | |||
| 08.09. | Koga A. - Ito C. | Q-R16 | 6-0, 6-2 | |||
| 07.09. | Koga A. - Sato A. | Q-2R | 6-3, 6-2 | |||
| Nagano ITF | Round | Result | H | A | ||
| 19.05. | Du Plessis L. - Koga A. | Q-R16 | 6-2, 6-2 | |||
| 18.05. | Koga A. - Inoue M. | Q-1R | 7-5, 6-2 | |||
| No matches. |
| No matches. |
- Injuries
| Start | Tournament | Reason |
|---|---|---|
| 13.10.2012 - 23.10.2012 | Makinohara ITF | walkover |
| 06.06.2012 - 24.07.2012 | Taipei 2 ITF | retired |
| 25.03.2012 - 08.04.2012 | Nishi-Tama ITF | walkover |
| 16.02.2012 - 12.03.2012 | Portimao ITF | retired |
This week's tournaments
| Main tournaments | ||||
| Paris | 26 | |||
| Vienna | 3 | |||
| Basel | 3 | |||
| Tokyo | 2 | |||
| Chennai WTA | 15 | |||
| Guangzhou | 2 | |||
| Hong Kong WTA | 24 | |||
| Lower level tournaments | ||||
| Seoul challenger | 2 | |||
| Sioux Falls challenger | 3 | |||
| Taipei challenger | 8 | |||
| Brest challenger | 2 | |||
| Guayaquil challenger | 3 | |||
| Ningbo challenger | 1 | |||
| UTR Pro Tennis Series 3 | 34 | |||
| UTR Pro Tennis Series 5 | 8 | |||
| UTR Pro Tennis Series 9 | 8 | |||
| Curitiba | 3 | |||
| Queretaro | 3 | |||
| Courmayeur WTA | 2 | |||
| New Braunfels ITF | 10 | |||
| Glasgow 2 ITF | 1 | |||
| Poitiers ITF | 3 | |||
| Toronto ITF | 3 | |||
| Istanbul ITF | 1 | |||
| Morelia ITF | 2 | |||
| Kunshan ITF | 1 | |||
| La Marsa ITF | 3 | |||
| Norman ITF | 5 | |||
| Sydney 4 ITF | 1 | |||
| UTR Pro Tennis Series 5 | 8 | |||
| UTR Pro Tennis Series 9 | 7 | |||
| Essen ITF | 1 | |||
| Monastir 56 ITF | 2 | |||
| Neuquén ITF | 3 | |||
| Sharm El Sheikh 19 ITF | 1 | |||
| Singapore 5 ITF | 1 | |||
| Sumter 2 ITF | 3 | |||
| Taby ITF | 2 | |||
| UTR Pro Match Series | 25 | |||
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