Stadium: Court B Round: 44 Ground: Hardcourt outdoor
| ITF - M15 Changwon | 2019/10/14 03:20 | Sung Jun Park v Kangjae Kim | 6-0,6-0 |
| ITF - M15 Hua Hin | 2019/08/27 07:35 | Aaron Schmid v Sung Jun Park | 6-3,6-3 |
| ITF - M15 Hua Hin | 2019/08/22 04:30 | Sung Jun Park v Dayne Kelly | 5-7,2-6 |
| ITF - M15 Hua Hin | 2019/08/21 06:55 | Worarin Kumthonkittikul v Sung Jun Park | 3-6,2-6 |
| ITF - M15 Hua Hin | 2019/08/20 03:00 | Congsup Congcar v Sung Jun Park | 4-6,1-6 |
| ITF - M15 Hua Hin | 2019/08/19 06:25 | Natthasith Kunsuwan v Sung Jun Park | 0-6,4-6 |
| ITF - M15 Anseong | 2019/06/24 03:00 | Sung Jun Park v Geun Jun Kim | 3-6,3-6 |
| ITF M15 Gimcheon | 2019/06/14 02:00 | Sung Jun Park v Thomas Fancutt | 1-6,6-3,3-6 |
| ITF - M15 Anseong | 2019/06/25 01:00 | Young Seok Kim v Young-Hoon Jeong | 6-7,2-6 |
| ITF M15 Gimcheon | 2019/06/17 02:50 | Sung Hun Kim v Young Seok Kim | 6-4,6-3 |
| ITF M15 Gimcheon | 2019/06/12 02:25 | Young Seok Kim v Uisung Park | 4-6,2-6 |
| ITF - M15 Daegu | 2019/06/08 01:00 | Seong-Gook Oh v Young Seok Kim | 6-2,6-2 |
| ITF - M15 Daegu | 2019/06/06 04:45 | Taisei Ichikawa v Young Seok Kim | 3-6,6-3,5-7 |
| ITF - M15 Daegu | 2019/06/05 05:00 | Young Seok Kim v Takuto Niki | 6-4,6-3 |
| ITF - M15 Daegu | 2019/06/04 03:25 | Young Seok Kim v Kangjae Kim | 6-1,6-0 |
| ITF - M15 Daegu | 2019/06/03 01:00 | Young Seok Kim v Jin Sung Han | 6-4,6-4 |