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 |
| ITF Korea F1 | 2018/06/09 01:00 | Cheong-Eui Kim v Yong-Kyu Lim | 2-6,3-6 |
| ITF Korea F1 | 2018/06/08 02:00 | Ji Sung Nam v Yong-Kyu Lim | 1-6,2-6 |
| ITF Korea F1 | 2018/06/07 02:35 | Minjong Park v Yong-Kyu Lim | 5-7,1-6 |
| ITF Korea F1 | 2018/06/06 03:20 | Yong-Kyu Lim v Min-Kyu Song | 4-6,6-4,6-1 |
| 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 |
| ITF Korea F1 | 2018/06/09 02:35 | Takuto Niki v Jeamoon Lee | 3-6,6-4,4-6 |
| ITF Korea F1 | 2018/06/08 02:00 | Jeamoon Lee v Young-Hoon Jeong | 6-1,6-4 |
| ITF Korea F1 | 2018/06/07 01:00 | Jae Hwan Kim v Jeamoon Lee | 6-4,2-6,4-6 |
| ITF Korea F1 | 2018/06/05 03:25 | Jeamoon Lee v Seong Jae Han | 6-1,6-0 |
| 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 |