Round: 62 Ground: Hardcourt outdoor
| ITF Japan F4 | 2018/03/24 00:00 | Lee, Tae-Woo v Tamaki Yamao | 1-6,4-6 |
| ITF Japan F3 | 2018/03/19 01:00 | Tamaki Yamao v Ehara, Hiroyasu | 6-2,3-6,0-6 |
| ITF Japan F3 | 2018/03/18 01:00 | Uesugi, Teppei v Tamaki Yamao | 3-6,4-6 |
| ITF Japan F3 | 2018/03/17 02:30 | Tamaki Yamao v Murray, Jack | 4-6,6-3,6-2 |
| ITF Japan F3 | 2018/03/17 00:30 | Tamaki Yamao v Taketo Takamisawa | 6-1,6-3 |
| ITF Japan F2 | 2018/03/13 04:40 | Tamaki Yamao v Makoto Ochi | 7-5,3-6,1-6 |
| ITF Japan F2 | 2018/03/12 00:30 | Tamaki Yamao v Tomohiro Masabayashi | 6-3,4-6,6-1 |
| ITF Japan F2 | 2018/03/11 00:30 | Kudo, Hayato v Tamaki Yamao | 1-6,0-6 |
| ITF Japan F3 | 2018/03/17 02:30 | Kikuchi, Gengo v Ko Suzuki | 6-2,3-6,6-3 |
| Challenger Kyoto Qual | 2018/02/19 01:30 | Ko Suzuki v Garanganga, Takanyi | 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 |
| ITF Malaysia F3 | 2017/10/30 02:00 | Ko Suzuki v Mikalai Haliak | 6-3,6-4 |
| ITF Malaysia F3 | 2017/10/29 00:00 | Hung, Jui-Chen v Ko Suzuki | 1-6,4-6 |
| ITF Malaysia F3 | 2017/10/28 01:00 | Ko Suzuki v Grigoriy Lomakin | 6-1,6-1 |