| ITF Korea F1 | 2017/05/31 01:00 | Dylan Seong Kwan Kim v Yunseong Chung | 5-7,6-3,6-4 |
| Challenger Busan Qual | 2017/05/13 05:50 | Yunseong Chung v Seong-Gook Oh | 6-4,6-7,3-6 |
| Challenger Seoul | 2017/05/10 03:30 | Yunseong Chung v Hiroki Moriya | 6-4,6-7,3-6 |
| Challenger Seoul | 2017/05/08 05:30 | Yen-Hsun Lu v Yunseong Chung | 3-6,4-6 |
| Challenger Gimcheon | 2017/05/01 04:25 | Brydan Klein v Yunseong Chung | 6-3,6-4 |
| Challenger Taipei Qual | 2017/04/16 06:50 | Toshihide Matsui v Yunseong Chung | 7-6,6-4 |
| ITF Japan F1 | 2017/03/07 02:35 | Yunseong Chung v Liang-Chi Huang | 3-6,6-7 |
| Challenger Yokohama Qual | 2017/02/25 04:50 | Yunseong Chung v Soonwoo Kwon | 6-7,5-7 |
| ITF Korea F2 Qual | 2017/06/05 03:00 | Tae-Woo Lee v Seung-Hun Shin | 6-4,4-6,7-5 |
| ITF Korea F2 Qual | 2017/06/03 03:00 | Tae-Woo Lee v Jaeheon Yoon | 7-6,6-2 |
| ITF Korea F1 | 2017/06/01 02:55 | Tae-Woo Lee v Makoto Ochi | 4-6,7-5,1-6 |
| ITF Korea F1 | 2017/05/31 04:05 | Ji Hoon Son v Tae-Woo Lee | 3-6,6-0,3-6 |
| ITF Korea F1 Qual | 2017/05/29 05:10 | Tae-Woo Lee v Seong Jae Han | 3-6,6-1,7-5 |
| ITF Korea F1 Qual | 2017/05/28 06:30 | Tae-Woo Lee v Hyun Sik Go | 6-3,6-0 |
| ITF Korea F8 | 2016/09/06 01:30 | Tae-Woo Lee v Hong Chung | 6-7,1-6 |
| ITF Korea F7 | 2016/08/31 03:30 | Woong-Sun Jun v Tae-Woo Lee | 6-4,3-6,7-6 |