| ITF Korea F1 | 2015/05/16 01:00 | Seon Yong Han v Jaeheon Yoon | 7-5,6-0 |
| ITF Japan F7 Qual | 2016/06/04 01:00 | Yuga Tashiro v Seong-Gook Oh | 6-2,6-2 |
| ITF Guam F1 | 2016/05/25 01:35 | Seong-Gook Oh v Sho Katayama | 4-6,1-6 |
| ITF Guam F1 | 2016/05/23 02:25 | Seong-Gook Oh v Ren Nakamura | 6-4,6-4 |
| ITF Guam F1 | 2016/05/22 00:00 | Seong-Gook Oh v Kennosuke Nouchi | 6-4,6-1 |
| ITF China F6 Qual | 2016/05/09 02:00 | Yusuke Takahashi v Seong-Gook Oh | 6-1,6-4 |
| ITF China F6 Qual | 2016/05/08 02:00 | Jianhui Li v Seong-Gook Oh | 6-7,4-6 |
| ITF China F6 Qual | 2016/05/07 02:00 | YiShuo Fan v Seong-Gook Oh | 0-6,0-6 |
| ITF Hong Kong F3 | 2015/06/21 02:00 | Seong-Gook Oh v Li-Wei Tan | 3-6,1-6 |