Round: 44 Ground: Hardcourt outdoor
| ITF Vietnam F8 | 2016/07/30 05:30 | Hiromasa Oku v Ansu Bhuyan | 5-7,6-4,7-5 |
| 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 Vietnam F8 | 2016/07/31 03:00 | Sora Fukuda v Aryan Goveas | 6-4,6-4 |
| ITF Vietnam F8 | 2016/07/30 04:00 | Sora Fukuda v Daniel Kossek | 6-3,6-2 |
| ITF Portugal F5 | 2016/05/11 16:30 | Goncalo Falcao v Sora Fukuda | 3-6,2-6 |
| ITF Portugal F5 Qual | 2016/05/10 12:30 | Sora Fukuda v Alexandre Ribeiro | 7-5,6-2 |
| ITF Portugal F5 Qual | 2016/05/09 09:00 | Aaron Addison v Sora Fukuda | 5-7,2-6 |
| ITF Portugal F5 Qual | 2016/05/07 10:00 | Sora Fukuda v Fabio Coelho | 6-1,6-1 |
| ITF Japan F3 | 2016/03/19 00:30 | Sora Fukuda v Sanhui Shin | 6-4,6-4 |
| ITF Japan F2 | 2016/03/16 02:30 | Gengo Kikuchi v Sora Fukuda | 7-5,6-3 |