Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| Challenger Busan | 2019/05/07 02:00 | Young Seok Kim v Luke Saville | 1-6,0-6 |
| ITF Thailand F7 | 2018/10/30 07:05 | Young Seok Kim v Hiroyasu Ehara | 6-7,1-6 |
| ITF Thailand F7 | 2018/10/29 02:00 | Mitchell Thomas McDaniels v Young Seok Kim | 6-7,4-6 |
| ITF Thailand F7 | 2018/10/28 03:00 | Nawakarn Khunjan v Young Seok Kim | 4-6,3-6 |
| ITF Korea F6 | 2018/08/31 03:00 | Young Seok Kim v Seong-Gook Oh | 5-7,6-2,4-6 |
| ITF Korea F6 | 2018/08/30 03:00 | Jae Hwan Kim v Young Seok Kim | 2-6,2-6 |
| ITF Korea F6 | 2018/08/29 03:00 | Young Seok Kim v Hong Chung | 6-4,5-7,7-5 |
| ITF Korea F3 | 2018/06/21 02:50 | Young Seok Kim v Jumpei Yamasaki | 6-7,4-6 |
| ITF Korea F6 | 2018/08/26 03:00 | Jae Won Yun v Jin Sung Han | 7-6,5-7,7-6 |
| ITF Korea F5 | 2018/08/19 02:00 | Jin Sung Han v Seong Jae Han | 4-6,5-7 |
| ITF Korea F4 | 2018/08/13 01:00 | Ki Su Jung v Jin Sung Han | 6-4,6-3 |
| ITF Korea F4 | 2018/08/12 02:00 | In Kyo Jeong v Jin Sung Han | 5-7,6-7 |
| ITF Korea F4 | 2018/08/11 01:00 | Yusei Fukuoka v Jin Sung Han | 1-6,2-6 |
| ITF Korea F3 Qual | 2018/06/16 01:00 | Mitchell Thomas McDaniels v Jin Sung Han | 6-3,6-1 |
| ITF Korea F2 | 2018/06/11 05:00 | Chukang Wang v Jin Sung Han | 7-6,6-2 |
| ITF Korea F2 | 2018/06/10 06:30 | Jin Sung Han v Dong-Hak Sin | 7-6,4-6,7-6 |