Round: 44 Ground: Hardcourt outdoor
| ITF Japan F8 | 2016/06/15 04:30 | Kazuki Nishiwaki v Oku, Hiromasa | 2-6,6-3,6-4 |
| ITF Japan F7 | 2016/06/07 03:40 | Oku, Hiromasa v Katayama, Sho | 1-6,2-6 |
| ITF Japan F6 | 2016/06/02 01:00 | Oku, Hiromasa v Kibi, Yuya | 3-6,2-6 |
| ITF Japan F6 | 2016/05/31 01:00 | Niki, Takuto v Oku, Hiromasa | 2-6,3-6 |
| ITF Guam F1 | 2016/05/24 02:00 | Oku, Hiromasa v Takeshima, Shunrou | 3-6,2-6 |
| ITF Turkey F19 | 2016/05/13 09:20 | Sieber, Marc v Oku, Hiromasa | 6-0,6-3 |
| ITF Turkey F19 | 2016/05/11 13:00 | Oku, Hiromasa v Statzberger, Thomas | 6-3,6-4 |
| ITF Turkey F18 | 2016/05/04 08:00 | Oku, Hiromasa v Yuksel, Anil | 3-6,2-6 |
| ITF India F3 | 2016/05/09 09:30 | Bhuyan, Ansu v Bajwa, Paramveer Singh | 4-6,4-6 |
| ITF India F2 | 2016/04/30 10:30 | Sasongko, Aditya Hari v Bhuyan, Ansu | 6-3,6-2 |
| ITF India F1 | 2016/04/23 06:30 | Bhuyan, Ansu v Saraiva, Bernardo | 3-6,4-6 |
| ITF India F1 | 2015/02/28 04:00 | Siddharth Vishwakarma v Bhuyan, Ansu | 6-3,6-7,6-4 |
| ITF India F7 | 2014/11/02 04:30 | Anand, Kunal v Bhuyan, Ansu | 6-2,6-2 |