Back Dayeon / Koshiishi Ayumi - profil
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Back DayeonCountry: South Korea
Age: 24 (24. 1. 2002)
Current/Highest rank - singles: 310. / 295. Current/Highest rank - doubles: 276. / 276. Plays: right
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Koshiishi AyumiCountry: Japan
Age: 25 (28. 7. 2000)
Current/Highest rank - singles: 546. / 367. Current/Highest rank - doubles: 1154. / 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 | ||||
| Miami | 27 | |||
| Miami | 16 | |||
| Lower level tournaments | ||||
| Morelia challenger | 28 | |||
| Neapol challenger | 24 | |||
| Sao Paulo 2 challenger | 25 | |||
| Alicante challenger | 24 | |||
| Asuncion challenger | 1 | |||
| Morelos challenger | 1 | |||
| Bucaramanga challenger | 23 | |||
| Yokkaichi challenger | 24 | |||
| Split challenger | 24 | |||
| UTR Pro Tennis Series 3 | 31 | |||
| UTR Pro Tennis Series 5 | 9 | |||
| Dubrovník | 20 | |||
| Murska Sobota ITF | 8 | |||
| Croissy-Beaubourg ITF | 8 | |||
| Maanshan 4 ITF | 8 | |||
| Junin ITF | 14 | |||
| San Gregorio 2 ITF | 16 | |||
| UTR Pro Tennis Series 5 | 5 | |||
| Monastir 28 ITF | 15 | |||
| Nagpur ITF | 8 | |||
| Santiago 7 ITF | 16 | |||
| Sharm El Sheikh 9 ITF | 16 | |||
| Swan Hill ITF | 15 | |||
| UTR Pro Match Series | 28 | |||
- Player's profile
- Tournament search
- Head-to-head
- Interesting matches
| H2H | |
|---|---|
| Cilic M. - Zverev A. | 1-8 |
| Shi H. - Li Z. | 1-6 |
| Heide G. - Burruchaga R. | 0-5 |
| Fils A. - Tsitsipas S. | 4-0 |
| Shevchenko A. - Humbert U. | 0-3 |
| Sakamoto P. - Monteiro T. | 0-3 |




