Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF W15 Sapporo | 2023/08/10 02:10 | Mua Shigeta v Dayeon Back | 1-6,0-6 |
| ITF W15 Sapporo | 2023/08/08 02:30 | Ji-Hee Choi v Dayeon Back | 3-6,5-7 |
| ITF W15 Sapporo | 2023/08/03 04:25 | Ayumi Miyamoto v Dayeon Back | 7-6,4-6,6-1 |
| ITF W15 Sapporo | 2023/08/01 05:40 | Jiangxue Han v Dayeon Back | 3-6,3-6 |
| ITF W15 Nakhon Si Thammarat | 2023/07/23 01:55 | Lanlana Tararudee v Dayeon Back | 6-4,6-4 |
| ITF W15 Nakhon Si Thammarat | 2023/07/22 02:00 | Dayeon Back v Patcharin Cheapchandej | 6-2,6-0 |
| ITF W15 Nakhon Si Thammarat | 2023/07/21 02:00 | Honoka Kobayashi v Dayeon Back | 1-6,1-6 |
| ITF W15 Nakhon Si Thammarat | 2023/07/20 03:20 | Anri Nagata v Dayeon Back | 6-4,6-7,2-6 |
| ITF W15 Yeongwol | 2022/09/06 03:00 | Subin Park v Onyu Choi | 2-6,7-5,10-4 |
| ITF W15 Yeongwol Qual | 2022/09/04 02:50 | Onyu Choi v Ji Min Park | 6-2,6-4 |
| ITF W15 Yeongwol | 2022/08/28 02:00 | Onyu Choi v Youna Kim | 3-6,7-6,9-11 |
| ITF W25 Goyang | 2022/08/22 01:00 | Onyu Choi v Minseo Kim | 6-2,3-6,4-10 |
| ITF W25 Goyang | 2022/08/21 01:00 | Arisha Ladhani v Onyu Choi | 2-6,4-6 |
| WTA Seoul | 2021/12/20 01:00 | Onyu Choi v Ji-Hee Choi | 3-6,6-4,6-7 |