| ITF - Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Ji Hoon Son | 6-7,6-0,6-7 |
| ITF - Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Ji Hoon Son | 6-7,6-0,6-7 |
| 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 - Qualifikation | 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 - Qualifikation | 2017/04/16 06:50 | Toshihide Matsui v Yunseong Chung | 7-6,6-4 |
| ITF - Korea F2 | 2017/06/09 02:00 | Ji Hoon Son v Jeamoon Lee | 4-6,3-6 |
| ITF - Korea F2 | 2017/06/08 01:00 | Yunseong Chung v Ji Hoon Son | 6-7,6-0,6-7 |
| 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 - Qualifikation | 2017/05/14 05:45 | Ji Hoon Son v Daniel Nguyen | 1-6,5-7 |
| Challenger - Busan - Qualifikation | 2017/05/13 03:30 | Ji Hoon Son v Jay Clarke | 7-6,6-4 |
| Challenger - Seoul - Qualifikation | 2017/05/06 01:00 | Ji Hoon Son v Luke Saville | 3-6,4-6 |
| Challenger - Gimcheon - Qualifikation | 2017/04/29 01:00 | Max Purcell v Ji Hoon Son | 6-1,6-3 |