[322] Dayeon Back 0-6,6-3,6-3 Yeonwoo Ku [389] 2025-05-09 15:00
Ground: Hardcourt outdoor
Head to Head
| ITF Women Gimcheon | 2017/06/11 03:00 | Yeon Woo Ku v Dayeon Back | 6-1,6-2 |
Home History
| ITF W35 Goyang | 2025/05/08 02:30 | Chihiro Muramatsu v Dayeon Back | 3-6,6-3,3-6 |
| ITF W35 Goyang | 2025/05/07 01:00 | Rina Saigo v Dayeon Back | 7-6,3-6,4-6 |
| ITF W35 Goyang | 2025/04/30 01:00 | Dayeon Back v Saki Imamura | 3-6,3-6 |
| ITF W100 Tokyo | 2025/04/22 04:00 | Mei Yamaguchi v Dayeon Back | 6-2,6-2 |
| Billie Jean King Cup | 2025/04/12 11:10 | Sahaja Yamalapalli v Dayeon Back | 3-6,4-6 |
| Billie Jean King Cup | 2025/04/11 11:40 | Dayeon Back v Hong Yi Cody Wong | 6-3,7-5 |
| Billie Jean King Cup | 2025/04/10 11:10 | Dayeon Back v Mananchaya Sawangkaew | 4-6,2-6 |
| Billie Jean King Cup | 2025/04/09 10:40 | Dayeon Back v Lulu Sun | 4-6,1-6 |
Away History
| ITF W35 Osaka | 2025/04/11 01:00 | Janice Tjen v Yeon Woo Ku | 6-1,6-2 |
| ITF W35 Osaka | 2025/04/10 01:00 | Yeon Woo Ku v Himeno Sakatsume | 7-6,6-2 |
| ITF W15 Kashiwa | 2025/04/06 04:00 | Ayano Shimizu v Yeon Woo Ku | 6-3,6-3 |
| ITF W15 Kashiwa | 2025/04/05 05:00 | Yeon Woo Ku v Eri Shimizu | 6-2,6-4 |
| ITF W15 Kashiwa | 2025/04/05 01:00 | Daria Egorova v Yeon Woo Ku | 6-3,4-6,2-4 |
| ITF W15 Kashiwa | 2025/04/04 01:00 | Yeon Woo Ku v Rina Saigo | 6-1,6-1 |
| ITF W15 Kashiwa | 2025/04/01 02:30 | Nagomi Higashitani v Yeon Woo Ku | 2-6,2-6 |
| ITF W35 Swan Hill | 2025/03/21 01:15 | Yeon Woo Ku v Elena Micic | 7-5,5-7,2-6 |
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