Stadion: Court 2 Round: 27 Ground: Hardcourt outdoor
| 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 - Qualifikation | 2018/05/13 02:00 | Yosuke Watanuki v Jeamoon Lee | 6-4,6-4 |
| Challenger - Busan - Qualifikation | 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 F1 | 2018/06/07 04:00 | Hyeong Jin Cho v Young-Hoon Jeong | 0-6,1-6 |
| ITF - Korea F1 | 2018/06/06 01:00 | Young-Hoon Jeong v Seong Chan Hong | 1-6,6-3,6-2 |
| ITF - Korea F1 | 2018/06/04 01:00 | Young-Hoon Jeong v Hyeong Don Kim | 6-2,7-5 |
| ITF - Korea F1 | 2018/06/03 01:00 | Young-Hoon Jeong v Ilsang Yoon | 6-4,5-7,6-2 |
| ITF - Thailand F12 | 2017/12/13 04:15 | Young-Hoon Jeong v Ti Chen | 4-6,6-0,1-6 |
| ITF - Thailand F12 | 2017/12/12 05:30 | Xin Gao v Young-Hoon Jeong | 1-6,7-6,2-6 |
| ITF - Thailand F12 - Qualifikation | 2017/12/11 03:00 | Young-Hoon Jeong v Aoran Wang | 6-1,7-5 |
| ITF - Thailand F12 - Qualifikation | 2017/12/10 03:00 | Young Seok Kim v Young-Hoon Jeong | 4-6,3-6 |