| ITF Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Son, Ji Hoon | 6-7,6-0,6-7 |
| ITF Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Son, Ji Hoon | 6-7,6-0,6-7 |
| ITF Korea F2 | 2017/06/07 07:25 | Yunseong Chung v Lee, Tae-Woo | 6-2,6-7,6-1 |
| ITF Korea F1 | 2017/05/31 01:00 | Kim, Seong Kwan v Yunseong Chung | 5-7,6-3,6-4 |
| Challenger Busan Qual | 2017/05/13 05:50 | Yunseong Chung v Oh, Seong-Gook | 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 | Lu, Yen-Hsun v Yunseong Chung | 3-6,4-6 |
| Challenger Gimcheon | 2017/05/01 04:25 | Klein, Brydan 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 Korea F2 | 2017/06/09 02:00 | Son, Ji Hoon v Jeamoon Lee | 4-6,3-6 |
| ITF Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Son, Ji Hoon | 6-7,6-0,6-7 |
| ITF Korea F2 | 2017/06/07 05:55 | Son, Ji Hoon v Cho, Hyeong Jin | 6-1,6-1 |
| ITF Korea F1 | 2017/05/31 04:05 | Son, Ji Hoon v Lee, Tae-Woo | 3-6,6-0,3-6 |
| Challenger Busan Qual | 2017/05/14 05:45 | Son, Ji Hoon v Nguyen, Daniel | 1-6,5-7 |
| Challenger Busan Qual | 2017/05/13 03:30 | Son, Ji Hoon v Jay Clarke | 7-6,6-4 |
| Challenger Seoul Qual | 2017/05/06 01:00 | Son, Ji Hoon v Luke Saville | 3-6,4-6 |
| Challenger Gimcheon Qual | 2017/04/29 01:00 | Max Purcell v Son, Ji Hoon | 6-1,6-3 |