Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| Challenger Busan Qual | 2018/05/13 02:00 | Yosuke Watanuki v Jeamoon Lee | 6-4,6-4 |
| Challenger Busan Qual | 2018/05/12 02:15 | Jeamoon Lee v Oh, Seong-Gook | 7-6,6-3 |
| Coupe Davis | 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 Kim, Young Seok | 6-3,6-7,3-6 |
| ITF Korea F4 | 2017/06/21 04:30 | Noh, Sang-Woo v Jeamoon Lee | 2-6,5-7 |
| ITF Korea F4 | 2017/06/20 02:30 | Jeamoon Lee v Choi, Jae-Won | 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 | Nguyen, Daniel v Jeamoon Lee | 6-3,6-4 |
| ITF Korea F1 | 2018/06/04 01:00 | Han, Seong Jae v Shin, Seung-Hun | 3-6,7-6,6-2 |
| ITF Korea F1 | 2018/06/02 01:00 | Han, Seong Jae v Kim, Sung Hun | 7-5,6-2 |
| ITF Korea F5 | 2017/06/27 01:30 | Hong, Seong Chan v Han, Seong Jae | 6-1,6-3 |
| ITF Korea F5 | 2017/06/26 01:30 | Kim, Jun Su v Han, Seong Jae | 4-6,2-6 |
| ITF Korea F5 | 2017/06/25 01:00 | Han, Seong Jae v Shin, Donghwi | 6-2,6-2 |
| ITF Korea F4 | 2017/06/18 02:00 | Kang, Ho-Min v Han, Seong Jae | 6-2,3-6,6-4 |
| ITF Korea F4 | 2017/06/17 02:00 | Jang, Woo Hyeok v Han, Seong Jae | 2-6,6-3,3-6 |
| Korea F3, Singles Qualifying | 2017/06/10 05:00 | Jung, Hyeon IL v Han, Seong Jae | 6-2,6-2 |