Stadium: Court 6 Round: 62 Ground: Clay
| ITF Japan F3 | 2018/03/23 02:00 | Kaito Uesugi v Makoto Ochi | 4-6,6-4,3-6 |
| ITF Japan F3 | 2018/03/22 08:45 | Sho Katayama v Kaito Uesugi | 3-6,1-6 |
| ITF Japan F3 | 2018/03/22 05:25 | Kaito Uesugi v Shintaro Imai | 6-3,2-6,6-1 |
| ITF Japan F3 | 2018/03/19 02:40 | Tae-Woo Lee v Kaito Uesugi | 3-6,3-6 |
| ITF Japan F2 | 2018/03/16 01:00 | Daniel Nguyen v Kaito Uesugi | 6-2,2-6,7-6 |
| ITF Japan F2 | 2018/03/15 02:35 | Issei Okamura v Kaito Uesugi | 4-6,5-7 |
| ITF Japan F2 | 2018/03/13 02:00 | Kaito Uesugi v Takuto Niki | 6-0,6-3 |
| ITF Japan F1 | 2018/03/06 02:00 | Yuya Kibi v Kaito Uesugi | 7-6,4-6,6-3 |
| ITF Japan F5 | 2018/04/01 00:30 | Ko Suzuki v Kazuma Kawachi | 4-6,4-6 |
| ITF Japan F5 | 2018/03/31 00:30 | Yuichi Ito v Ko Suzuki | 6-7,2-6 |
| ITF Japan F4 | 2018/03/25 01:00 | Tamaki Yamao v Ko Suzuki | 6-4,6-2 |
| ITF Japan F3 | 2018/03/17 02:30 | Gengo Kikuchi v Ko Suzuki | 6-2,3-6,6-3 |
| Challenger Kyoto Qual | 2018/02/19 01:30 | Ko Suzuki v Takanyi Garanganga | 5-7,4-6 |
| Challenger Kyoto Qual | 2018/02/18 02:45 | Naoki Nakagawa v Ko Suzuki | 6-7,6-7 |
| Challenger Kyoto Qual | 2018/02/17 02:30 | Makoto Ochi v Ko Suzuki | 6-4,4-6,6-7 |
| ITF Malaysia F3 | 2017/10/31 01:30 | Hady Habib v Ko Suzuki | 6-2,6-4 |