Round: 44 Ground: Hardcourt outdoor
| ITF Japan F2 | 2016/03/13 01:00 | Hiromasa Oku v Shintaro Imai | 1-6,0-6 |
| ITF Japan F2 | 2016/03/12 02:00 | Hiromasa Oku v Yutaro Matsuzaki | 6-4,5-7,6-3 |
| ITF Japan F1 | 2016/03/10 01:00 | Hiromasa Oku v Shintaro Imai | 6-3,2-6,1-6 |
| ITF Japan F8 | 2015/06/24 01:10 | Hiromasa Oku v Sho Katayama | 6-7,0-6 |
| ITF Japan F7 | 2015/06/19 03:00 | Hiromasa Oku v Yusuke Watanuki | 2-6,3-6 |
| ITF Japan F7 | 2015/06/18 02:05 | Hiromasa Oku v Makoto Ochi | 6-4,6-3 |
| ITF Japan F7 | 2015/06/16 00:30 | Hiromasa Oku v Ku Keon Kang | 6-2,6-1 |
| ITF Japan F6 | 2015/06/10 01:30 | Keisuke Watanuki v Hiromasa Oku | 6-2,6-3 |
| ITF Japan F3 | 2016/03/19 00:30 | Tetsuro Habusawa v Ko Suzuki | 2-6,2-6 |
| ITF Japan F2 | 2016/03/14 02:40 | Shintaro Imai v Ko Suzuki | 6-3,6-0 |
| ITF Japan F2 | 2016/03/13 01:00 | Wishaya Trongcharoenchaikul v Ko Suzuki | 3-6,4-6 |
| ITF Japan F2 | 2016/03/12 02:00 | Ko Suzuki v Renta Tokuda | 6-1,4-6,7-5 |
| ITF Japan F1 | 2016/03/10 03:45 | Yecong He v Ko Suzuki | 6-4,2-6,6-4 |
| ITF Japan F1 | 2016/03/07 01:00 | Tung-Lin Wu v Ko Suzuki | 4-6,2-6 |
| ITF Japan F1 | 2016/03/06 03:00 | Akito Higa v Ko Suzuki | 6-7,1-6 |
| ITF Japan F8 | 2015/06/25 02:00 | Shunrou Takeshima v Ko Suzuki | 6-3,6-2 |