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