Round: 25 Ground: Hardcourt outdoor
| ITF Japan F7 | 2016/06/10 01:00 | Yusuke Takahashi v Chan-Yeong Oh | 6-1,6-0 |
| ITF Japan F7 | 2016/06/09 02:30 | Chan-Yeong Oh v Keisuke Watanuki | 6-3,6-7,6-4 |
| ITF Japan F7 | 2016/06/07 05:30 | Yosuke Watanuki v Chan-Yeong Oh | 3-6,0-6 |
| ITF Japan F7 Qual | 2016/06/05 01:00 | Masaya Kobayashi v Chan-Yeong Oh | 2-6,6-3,3-6 |
| ITF Japan F7 Qual | 2016/06/04 01:00 | Kousuke Ogura v Chan-Yeong Oh | 2-6,3-6 |
| ITF China F9 | 2016/05/31 02:00 | Chan-Yeong Oh v Yecong He | 3-6,6-2,5-7 |
| ITF China F9 Qual | 2016/05/30 02:00 | Haitong Xia v Chan-Yeong Oh | 5-7,6-4,4-6 |
| ITF China F9 Qual | 2016/05/29 03:00 | Aizezi Yusupuaili v Chan-Yeong Oh | 2-6,6-1,5-7 |
| ITF China F11 | 2016/07/07 02:00 | Issei Okamura v Kazuma Kawachi | 6-3,6-3 |
| ITF Japan F8 | 2016/06/15 06:25 | Issei Okamura v Yusuke Takahashi | 3-6,0-6 |
| ITF Japan F7 | 2016/06/06 02:50 | Issei Okamura v Kento Takeuchi | 2-6,3-6 |
| ITF Japan F6 | 2016/05/31 01:00 | Ko Suzuki v Issei Okamura | 6-1,6-3 |
| ITF Spain F15 | 2016/05/25 09:00 | Issei Okamura v Bernabe Zapata Miralles | 3-6,2-6 |
| ITF Spain F14 | 2016/05/16 09:00 | Issei Okamura v Ryota Tanuma | 0-6,3-6 |
| ITF Spain F13 | 2016/05/12 10:10 | Issei Okamura v Juan Lizariturry | 5-7,5-7 |
| ITF Spain F13 | 2016/05/10 16:00 | Issei Okamura v Andrey Chepelev | 3-6,6-4,7-6 |