Back Dayeon / Koshiishi Ayumi - profil
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Back DayeonCountry: South Korea
Age: 24 (24. 1. 2002)
Current/Highest rank - singles: 270. / 245. Current/Highest rank - doubles: 235. / 234. Plays: right
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Koshiishi AyumiCountry: Japan
Age: 26 (28. 7. 2000)
Current/Highest rank - singles: 848. / 367. Current/Highest rank - doubles: 1786. / 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 | ||||
| Davis Cup | 3 | |||
| Singapore WTA | 19 | |||
| Sao Paulo WTA | 2 | |||
| Seoul WTA | 24 | |||
| Lower level tournaments | ||||
| Tiburon challenger | 2 | |||
| St. Tropez challenger | 24 | |||
| Buenos Aires challenger | 27 | |||
| San Diego 2 challenger | 27 | |||
| Genoa 2 challenger | 22 | |||
| Plovdiv 4 challenger | 24 | |||
| UTR Pro Tennis Series | 42 | |||
| UTR Pro Tennis Series 3 | 87 | |||
| UTR Pro Tennis Series 5 | 36 | |||
| UTR Pro Tennis Series 9 | 14 | |||
| Ankara | 25 | |||
| Tolentino | 15 | |||
| Porto WTA | 23 | |||
| Nanao ITF | 16 | |||
| Plovdiv ITF | 8 | |||
| Yecla ITF | 8 | |||
| Santa Margherita Di Pula 12 ITF | 10 | |||
| Sharm El Sheikh 14 ITF | 12 | |||
| UTR Pro Tennis Series 5 | 43 | |||
| UTR Pro Tennis Series 9 | 16 | |||
| Constanta ITF | 16 | |||
| Maanshan 10 ITF | 16 | |||
| Monastir 51 ITF | 16 | |||
| UTR Pro Match Series | 88 | |||
| UTR Pro Tennis Series | 63 | |||
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