Round: 54 Ground: Hardcourt outdoor
| 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 |
| ITF Hong Kong F3 | 2015/06/20 02:00 | Seong-Gook Oh v Wing-Lun Lam | 6-4,6-1 |
| ITF Hong Kong F2 | 2015/06/18 02:00 | Seong-Gook Oh v Marcos Giraldi Requena | 3-6,1-6 |
| ITF Hong Kong F2 | 2015/06/17 04:25 | Hyun-Woo Nam v Seong-Gook Oh | 2-6,2-6 |
| ITF Hong Kong F2 | 2015/06/15 04:35 | Shao-Fan Liu v Seong-Gook Oh | 5-7,7-6,0-6 |
| ITF Guam F1 | 2016/05/21 01:00 | Camden Camacho v Kennosuke Nouchi | 0-6,0-6 |
| ITF Japan F7 Qual | 2015/06/14 00:00 | Ju-Hae Moon v Kennosuke Nouchi | 6-3,6-4 |
| ITF Japan F5 | 2015/05/31 01:00 | Keisuke Numajiri v Kennosuke Nouchi | 6-2,6-0 |