Koshiishi Ayumi / Yang Ya-Yi - profil
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Koshiishi AyumiCountry: Japan
Age: 25 (28. 7. 2000)
Current/Highest rank - singles: 486. / 367. Current/Highest rank - doubles: 789. / 482. Plays: right
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Yang Ya-YiCountry: Chinese Taipei
Age: 21 (30. 5. 2004)
Current/Highest rank - singles: 589. / 203. Current/Highest rank - doubles: 475. / 289. Plays: right
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- Next match
| Tournament | Round | Start | Match | H | A |
|---|---|---|---|---|---|
| No upcoming matches. | |||||
- Tournaments results
Doubles team's record
- Titles
| Year | Main tournaments | Lower level tournaments | ||||
|---|---|---|---|---|---|---|
| No titles | ||||||
- Played matches - 2025
| Launceston ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 27.02. | Barry / Micic - Koshi / Yang | QF | 6-2, 3-6, 10-6 | 1.40 | 2.68 | |
| 25.02. | Koshi / Yang - Gaft / Korho | R16 | 6-3, 6-4 | 1.05 | 8.17 | |
| Burnie ITF | Round | Result | H | A | ||
| 21.02. | Da Si / Thomp - Koshi / Yang | SF | 6-2, 1-6, 10-7 | 2.25 | 1.57 | |
| 20.02. | Koshi / Yang - Lee Y / Lin F | QF | 3-6, 6-2, 10-8 | 2.39 | 1.51 | |
| 18.02. | Koshi / Yang - Akita / Muram | R16 | 7-64, 6-4 | 2.52 | 1.45 | |
This week's tournaments
| Main tournaments | ||||
| Rotterdam | 8 | |||
| Montpellier | 3 | |||
| Davis Cup | 86 | |||
| Doha | 36 | |||
| Abu Dhabi WTA | 2 | |||
| Cluj-Napoca 2 WTA | 2 | |||
| Ostrava 2 WTA | 2 | |||
| Lower level tournaments | ||||
| Rosario challenger | 3 | |||
| Brisbane challenger | 3 | |||
| Cleveland challenger | 2 | |||
| Tenerife challenger | 3 | |||
| Cesenatico challenger | 3 | |||
| Koblenz challenger | 3 | |||
| UTR Pro Tennis Series 3 | 27 | |||
| UTR Pro Tennis Series 5 | 37 | |||
| UTR Pro Tennis Series 9 | 32 | |||
| Mumbai WTA | 3 | |||
| Andrezieux-Boutheon ITF | 4 | |||
| Brisbane 3 ITF | 1 | |||
| Orlando 4 ITF | 3 | |||
| Porto 5 ITF | 3 | |||
| Sheffield ITF | 3 | |||
| UTR Pro Tennis Series 5 | 31 | |||
| UTR Pro Tennis Series 9 | 11 | |||
| Antalya 5 ITF | 4 | |||
| Monastir 21 ITF | 3 | |||
| Sharm El Sheikh 2 ITF | 3 | |||
| UTR Pro Match Series | 10 | |||
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