| ITF Korea F2 | 2017/06/07 07:25 | Yunseong Chung v Tae-Woo Lee | 6-2,6-7,6-1 |
| 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 - Soul | 2017/05/10 03:30 | Yunseong Chung v Hiroki Moriya | 6-4,6-7,3-6 |
| Challenger - Soul | 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 |
| ITF Korea F2 | 2017/06/07 05:55 | Ji Hoon Son v Hyeong Jin Cho | 6-1,6-1 |
| ITF Korea F1 | 2017/05/31 04:05 | Ji Hoon Son v Tae-Woo Lee | 3-6,6-0,3-6 |
| Challenger Busan Qual | 2017/05/14 05:45 | Ji Hoon Son v Daniel Nguyen | 1-6,5-7 |
| Challenger Busan Qual | 2017/05/13 03:30 | Ji Hoon Son v Jay Clarke | 7-6,6-4 |
| Challenger Seoul Qual | 2017/05/06 01:00 | Ji Hoon Son v Luke Saville | 3-6,4-6 |
| Challenger Gimcheon Qual | 2017/04/29 01:00 | Max Purcell v Ji Hoon Son | 6-1,6-3 |
| ITF Korea F8 | 2016/09/06 04:30 | Jeamoon Lee v Ji Hoon Son | 6-3,6-4 |
| ITF Korea F8 | 2016/08/23 01:30 | Ji Hoon Son v Yong-Kyu Lim | 1-6,4-6 |