Round: 62 Ground: Hardcourt outdoor
| ITF Japan F4 | 2018/03/25 01:00 | Ryota Tanuma v Wei-De Lin | 6-1,7-6 |
| ITF Japan F4 | 2018/03/24 00:00 | Ryota Tanuma v Kazuki Shimizu | 6-2,6-1 |
| ITF Japan F3 | 2018/03/22 06:55 | Tatsuma Ito v Ryota Tanuma | 6-7,6-2,6-1 |
| ITF Japan F3 | 2018/03/22 03:00 | Ryota Tanuma v Sora Fukuda | 6-3,6-2 |
| ITF Japan F3 | 2018/03/19 04:05 | Shinta Fujii v Ryota Tanuma | 2-6,2-6 |
| ITF Japan F2 | 2018/03/12 02:30 | Yuya Kibi v Ryota Tanuma | 6-2,2-6,7-5 |
| Challenger Yokohama Qual | 2018/02/24 02:45 | Zhe Li v Ryota Tanuma | 5-7,6-1,6-2 |
| Challenger Kyoto Qual | 2018/02/18 01:00 | Ryota Tanuma v Shinta Fujii | 3-6,5-7 |
| ITF Japan F4 | 2018/03/25 01:00 | Yuki Matsuo v Masamichi Imamura | 6-3,6-0 |
| ITF Japan F2 | 2018/03/11 04:00 | Jack Murray v Yuki Matsuo | 6-1,6-4 |
| ITF Japan F1 | 2018/03/05 01:00 | Jack Murray v Yuki Matsuo | 6-1,6-1 |
| ITF Japan F1 | 2018/03/03 03:00 | Hayato Kudo v Yuki Matsuo | 2-6,2-6 |
| ITF Vietnam F3 | 2017/11/20 03:00 | Yuki Matsuo v Tsung-Hao Huang | 2-6,3-6 |
| ITF Vietnam F2 | 2017/11/12 05:00 | Cesar Testoni v Yuki Matsuo | 6-3,3-6,6-4 |
| ITF Japan F8 | 2017/06/14 04:00 | Gengo Kikuchi v Yuki Matsuo | 6-0,6-4 |
| ITF Japan F8 | 2017/06/12 00:00 | Daisuke Sumizawa v Yuki Matsuo | 3-6,4-6 |