| ITF W15 Yeongwol | 09/01 03:00 | 44 | Se Jin Lee v Eunji Lim | Retired | |
| ITF W15 Yeongwol | 08/27 02:00 | 44 | Se Jin Lee v Na Ri Kim | Walkover | |
| ITF W25 Incheon | 05/27 07:25 | 54 | Se Jin Lee v Yu Jin Ahn | Retired | |
| ITF W25 Goyang | 05/20 07:20 | 54 | Freya Christie v Se Jin Lee | 6-4,6-3 | |
| ITF Women Yeongwol | 09/05 03:10 | 25 | Se Jin Lee v Seung-Yeon Hong | 3-6,3-6 | |
| ITF Women Gimcheon | 08/17 01:00 | 27 | Se Jin Lee v Sang Hee Park | Retired | |
| ITF Women Gimcheon | 08/16 02:25 | 26 | Sakura Hosogi v Se Jin Lee | 2-6,4-6 | |
| ITF Women Gimcheon | 08/15 02:35 | 25 | Se Jin Lee v BoYoung Jeong | 6-2,6-1 | |
| ITF Women Gimcheon | 08/13 01:00 | 62 | Da Ye Kim v Se Jin Lee | 6-3,1-6,3-6 | |
| ITF Women Gimcheon | 08/12 01:00 | 62 | Se Jin Lee v Dami Lee | 6-1,6-3 | |
| ITF Women Tianjin Qual | 07/09 03:25 | 62 | Ya Hsin Lee v Se Jin Lee | 3-6,6-3,6-4 | |
| ITF Women Tianjin Qual | 07/08 04:25 | 62 | Se Jin Lee v Jiahui Chen | Retired |