Stadium: Court 1 Round: 45
| Davis Cup | 2017/09/17 04:05 | Jeamoon Lee v Tung-Lin Wu | 2-6,7-5,4-6 |
| ITF Korea F4 | 2017/06/23 02:00 | Jeamoon Lee v Young Seok Kim | 6-3,6-7,3-6 |
| 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 |
| Challenger Seoul Qual | 2018/04/28 02:50 | Ji Hoon Son v Seong-Gook Oh | 6-3,6-3 |
| ITF China F1 | 2018/01/11 02:30 | Seong-Gook Oh v Shinji Hazawa | 3-6,4-6 |
| ITF China F1 | 2018/01/08 03:05 | Seong-Gook Oh v Yuanfeng Li | 7-6,6-2 |
| Challenger Toyota Qual | 2017/11/11 00:30 | Seong-Gook Oh v Yuya Kibi | 3-6,1-6 |
| ITF India F8 | 2017/09/15 04:30 | Seong-Gook Oh v Colin Van Beem | 6-7,6-1,4-6 |
| ITF India F8 | 2017/09/14 05:00 | Seong-Gook Oh v Clement Larriere | 6-0,1-6,6-4 |
| ITF India F8 | 2017/09/13 07:00 | Jui-Chen Hung v Seong-Gook Oh | 2-6,2-6 |
| ITF India F8 | 2017/09/11 08:25 | Seong-Gook Oh v S D Prajwal Dev | 2-6,6-4,6-1 |