| ITF Guam F1 | 2016/05/24 02:20 | Andrew Whittington v Ko Suzuki | 6-4,6-4 |
| ITF Japan F5 | 2016/04/06 03:40 | Takuto Niki v Ko Suzuki | 6-4,3-6,6-2 |
| ITF Japan F5 | 2016/04/04 00:30 | Ko Suzuki v Taisei Miyamoto | 6-3,6-3 |
| ITF Japan F4 | 2016/03/26 02:00 | Brandon Walkin v Ko Suzuki | 6-3,6-3 |
| ITF Japan F3 | 2016/03/19 03:45 | Hiromasa Oku v Ko Suzuki | 5-7,7-6,7-5 |
| 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 Spain F15 | 2016/05/25 09:00 | Issei Okamura v Bernabe Zapata Miralles | 3-6,2-6 |
| ITF Spain F14 | 2016/05/16 09:00 | Issei Okamura v Ryota Tanuma | 0-6,3-6 |
| ITF Spain F13 | 2016/05/12 10:10 | Issei Okamura v Juan Lizariturry | 5-7,5-7 |
| ITF Spain F13 | 2016/05/10 16:00 | Issei Okamura v Andrey Chepelev | 3-6,6-4,7-6 |
| ITF Spain F13 | 2016/05/09 08:00 | Issei Okamura v Thibault Cancel | 6-4,5-7,4-6 |
| ITF Spain F13 | 2016/05/07 13:30 | Issei Okamura v Brandon Levendale | 6-2,6-1 |
| ITF Turkey F18 | 2016/05/06 08:00 | Issei Okamura v Hugo Nys | 0-6,3-6 |
| ITF Turkey F18 | 2016/05/05 10:15 | Mikelis Libietis v Issei Okamura | 3-6,2-6 |