Back Dayeon / Koshiishi Ayumi - profil
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Back DayeonCountry: South Korea
Age: 23 (24. 1. 2002)
Current/Highest rank - singles: 317. / 295. Current/Highest rank - doubles: 330. / 320. Plays: right
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Koshiishi AyumiCountry: Japan
Age: 25 (28. 7. 2000)
Current/Highest rank - singles: 470. / 367. Current/Highest rank - doubles: 780. / 482. 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 - 2024 - HARD
| Ust-Kamenogorsk ITF | Round | Result | H | A | ||
|---|---|---|---|---|---|---|
| 04.08. | Fedor / Khomu - Back / Koshi | F | 7-64, 6-2 | 1.61 | 2.17 | |
| 02.08. | Back / Koshi - Chaud / Malyg | SF | ||||
| 01.08. | Back / Koshi - Baida / Krymk | QF | 6-2, 6-2 | 1.16 | 4.37 | |
| 31.07. | Back / Koshi - Bekme / Dyuss | R16 | 6-0, 6-2 | 5.15 | 1.12 | |
| Astana 14 ITF | Round | Result | H | A | ||
| 26.07. | Diatc / Ruste - Back / Koshi | SF | 6-2, 6-4 | 1.61 | 2.14 | |
| 25.07. | Back / Koshi - Zolot / Zolot | QF | 7-5, 6-2 | 2.07 | 1.64 | |
| 23.07. | Back / Koshi - Okuwa / Sagan | R16 | 6-3, 6-1 | 1.56 | 2.24 | |
This week's tournaments
| Main tournaments | ||||
| Athens | 7 | |||
| Metz | 6 | |||
| Masters Cup WTA | 4 | |||
| Lower level tournaments | ||||
| Helsinki challenger | 8 | |||
| Taipei challenger | 5 | |||
| Lima 3 challenger | 10 | |||
| Matsuyama challenger | 6 | |||
| Knoxville challenger | 10 | |||
| UTR Pro Tennis Series 3 | 261 | |||
| UTR Pro Tennis Series 5 | 72 | |||
| UTR Pro Tennis Series 9 | 66 | |||
| Austin 2 | 7 | |||
| Tucuman | 6 | |||
| Faro ITF | 13 | |||
| Hamamatsu ITF | 8 | |||
| Liberec ITF | 11 | |||
| Orlando 3 ITF | 12 | |||
| UTR Pro Tennis Series 5 | 45 | |||
| UTR Pro Tennis Series 9 | 13 | |||
| Antalya 32 ITF | 8 | |||
| Castellon 2 ITF | 12 | |||
| Heraklion 9 ITF | 8 | |||
| Lincoln ITF | 10 | |||
| Monastir 6 ITF | 8 | |||
| Neuquén 2 ITF | 12 | |||
| Sharm El Sheikh 20 ITF | 9 | |||
| Solarino 4 ITF | 7 | |||
| Szabolcsveresmart ITF | 6 | |||
| UTR Pro Match Series | 133 | |||
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