Round: 27 Ground: Hardcourt outdoor
| ITF Japan F1 | 2016/03/10 05:35 | Karunuday Singh v Shoma Kato | 6-0,6-1 |
| ITF Japan F1 | 2016/03/10 01:00 | Karunuday Singh v Taiki Hashimoto | 6-2,6-4 |
| ITF Thailand F9 | 2015/06/25 03:00 | Shuichi Sekiguchi v Karunuday Singh | 6-0,6-2 |
| ITF Thailand F9 | 2015/06/24 03:45 | Kazuma Kawachi v Karunuday Singh | 3-6,4-6 |
| ITF Thailand F9 | 2015/06/15 04:10 | Karunuday Singh v Jung-Woong Na | 2-6,3-6 |
| ITF India F6 | 2015/05/28 04:00 | Jui-Chen Hung v Karunuday Singh | 1-6,3-6 |
| ITF India F6 | 2015/05/27 05:45 | Anvit Bendre v Karunuday Singh | 1-6,3-6 |
| ITF India F5 | 2015/05/22 04:30 | Karunuday Singh v Ronit Singh Bisht | 6-7,6-2,7-6 |
| ITF Japan F1 | 2016/03/10 06:35 | Sidharth Rawat v Issei Okamura | 2-6,4-6 |
| ITF Japan F1 | 2016/03/08 01:00 | Issei Okamura v Kento Takeuchi | 7-6,7-6 |
| ITF Turkey F6 | 2016/02/12 09:00 | Issei Okamura v Seong Chan Hong | 7-5,4-6,3-6 |
| ITF Turkey F6 | 2016/02/11 13:45 | Patrik Nema v Issei Okamura | 1-6,5-7 |
| ITF Turkey F6 | 2016/02/09 09:35 | Maxime Pauwels v Issei Okamura | 6-3,3-6,3-6 |
| ITF Turkey F5 | 2016/02/04 08:00 | Issei Okamura v Lenny Hampel | 6-1,0-6,6-7 |
| ITF Turkey F5 | 2016/02/02 09:30 | Issei Okamura v Mert Zincirli | 6-4,6-2 |
| ITF Turkey F4 | 2016/01/25 09:30 | Issei Okamura v Ryota Kishi | 2-6,6-2,1-6 |