Stadium: Court 2 Round: 26
| ITF Women Gimcheon | 2017/06/05 02:00 | Yea, Hyojung v Dayeon Back | 1-6,2-6 |
| ITF Women Yeongwol | 2018/09/04 03:00 | Gabueva, Angelina v Dayeon Back | 2-6,6-7 |
| ITF Women Sangju | 2018/06/06 04:05 | Dayeon Back v Ya-Hsuan Lee | 1-6,0-6 |
| ITF Women Sangju Qual | 2018/06/05 02:40 | Oh, Soo Bin v Dayeon Back | 0-6,2-6 |
| ITF Women Sangju Qual | 2018/06/04 03:30 | Dayeon Back v Shih, Hsin-Yuan | 6-1,6-0 |
| ITF Women Sangju Qual | 2018/06/03 03:30 | Dayeon Back v Hwiwon Wi | 7-5,6-3 |
| ITF Women Goyang Qual | 2018/05/07 02:30 | Hsu, Ching Wen v Dayeon Back | 6-4,6-1 |
| ITF Women Goyang Qual | 2018/05/06 06:15 | Yoon, So-Hee v Dayeon Back | 0-6,0-6 |
| ITF Women Yeongwol | 2017/08/28 02:00 | Bae, Do Hee v Dayeon Back | 6-2,6-3 |
| ITF Women Yeongwol | 2018/09/04 03:00 | Eunji Lim v Yea, Hyojung | 6-4,1-6,4-6 |
| ITF Women Yeongwol | 2018/08/30 03:05 | Yea, Hyojung v Dabin Kim | 4-6,3-6 |
| ITF Women Yeongwol | 2018/08/29 07:30 | Da Ye Kim v Yea, Hyojung | 4-6,2-6 |
| ITF Women Gimcheon | 2018/08/23 05:30 | Sohyun Park v Yea, Hyojung | 7-5,3-6,6-4 |
| ITF Women Gimcheon | 2018/08/16 01:00 | Yea, Hyojung v Kim, SE-Hyun | 0-6,2-6 |
| ITF Women Gimcheon | 2018/08/15 01:00 | Yea, Hyojung v Han, Heejin | 6-2,7-5 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Zhibek Kulambayeva v Yea, Hyojung | 4-6,7-6,7-5 |
| ITF Women Daegu Qual | 2018/06/18 03:25 | Yea, Hyojung v Takayama, Chihiro | 6-3,6-0 |