Stadium: Center Court Round: 29 Ground: Hardcourt outdoor
| ITF Korea F8 | 2016/09/09 03:00 | Jeamoon Lee v Yong-Kyu Lim | 3-6,6-4,2-6 |
| Challenger Busan Qual | 2018/05/12 04:05 | Yong-Kyu Lim v Wishaya Trongcharoenchaikul | 7-6,6-7,2-6 |
| Challenger Gimcheon Qual | 2018/05/06 04:30 | Yong-Kyu Lim v Wishaya Trongcharoenchaikul | 6-2,6-7,4-6 |
| Challenger Gimcheon Qual | 2018/05/05 01:30 | Yong-Kyu Lim v Cheng-Peng Hsieh | 6-4,6-3 |
| Challenger Seoul Qual | 2018/04/29 04:55 | Renta Tokuda v Yong-Kyu Lim | 6-4,6-4 |
| Challenger Seoul Qual | 2018/04/28 04:30 | Yong-Kyu Lim v Frederik Nielsen | 6-4,6-1 |
| ITF Korea F5 | 2017/06/29 01:30 | Seong-Gook Oh v Yong-Kyu Lim | 6-4,6-4 |
| ITF Korea F5 | 2017/06/28 06:10 | In Kyo Jeong v Yong-Kyu Lim | 6-7,2-6 |
| ITF Korea F3 | 2017/06/16 02:00 | Min-Kyu Song v Yong-Kyu Lim | 6-4,6-2 |
| 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 Seong-Gook Oh | 7-6,6-3 |
| 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 |