| Challenger Busan Qual | 2017/05/13 02:00 | Young Seok Kim v Jeamoon Lee | 3-6,3-6 |
| ITF Korea F4 | 2017/06/21 04:30 | Sang-Woo Noh v Jeamoon Lee | 2-6,5-7 |
| ITF Korea F4 | 2017/06/20 02:30 | Jeamoon Lee v Jae-Won Choi | 6-1,6-3 |
| ITF Korea F3 | 2017/06/14 03:05 | Jeamoon Lee v Hong Chung | 4-6,6-3,5-7 |
| ITF Korea F2 | 2017/06/11 02:00 | Daniel Nguyen v Jeamoon Lee | 6-3,6-4 |
| ITF Korea F2 | 2017/06/10 02:00 | Cheong-Eui Kim v Jeamoon Lee | 6-1,5-7,4-6 |
| ITF Korea F2 | 2017/06/09 02:00 | Ji Hoon Son v Jeamoon Lee | 4-6,3-6 |
| ITF Korea F2 | 2017/06/08 04:40 | Jeamoon Lee v Makoto Ochi | 6-4,6-4 |
| ITF Korea F2 | 2017/06/07 05:45 | Jeamoon Lee v Jung-Woong Na | 7-6,6-3 |
| ITF Korea F4 | 2017/06/21 02:00 | Woo-Ram Kim v Young Seok Kim | 3-6,3-6 |
| ITF Korea F3 | 2017/06/15 01:00 | Tae-Woo Lee v Young Seok Kim | 6-3,6-4 |
| ITF Korea F3 | 2017/06/13 02:00 | Young Seok Kim v Seong Chan Hong | 6-2,6-4 |
| ITF Korea F2 | 2017/06/07 04:10 | Young Seok Kim v Cheong-Eui Kim | 1-6,6-7 |
| ITF Korea F1 | 2017/05/31 01:00 | Young Seok Kim v Hong Chung | 1-6,4-6 |
| Challenger Busan Qual | 2017/05/13 02:00 | Young Seok Kim v Jeamoon Lee | 3-6,3-6 |
| Challenger Seoul | 2017/05/11 03:30 | Go Soeda v Young Seok Kim | 6-2,6-4 |
| Challenger Seoul | 2017/05/09 05:50 | Alexander Ward v Young Seok Kim | 3-6,4-6 |