Round: 25 Ground: Hardcourt outdoor
| 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 |
| 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 India F2 | 2016/05/02 05:00 | Jeson Patrombon v Ren Nakamura | 6-3,7-5 |
| ITF India F2 | 2016/05/01 09:30 | Ren Nakamura v Gokul Suresh | 6-0,6-3 |
| ITF India F1 | 2016/04/23 04:00 | Ren Nakamura v Vijayant Malik | 6-7,1-6 |
| ITF Japan F4 | 2016/03/26 02:00 | Ren Nakamura v Sho Shimabukuro | 2-6,1-6 |
| ITF Japan F3 | 2016/03/19 00:30 | Yusuke Takahashi v Ren Nakamura | 6-0,6-0 |
| ITF Japan F1 | 2016/03/06 03:00 | Kazuma Kawachi v Ren Nakamura | 3-6,6-4,6-2 |
| ITF Japan F1 | 2016/03/05 03:00 | Ren Nakamura v Renta Tokuda | 6-2,6-3 |
| ITF China F3 Qual | 2016/02/27 05:30 | Ren Nakamura v Li-Wei Tan | 6-4,3-6,1-6 |