Stadium: Centre Court A Round: 27 Ground: Hardcourt outdoor
| ITF Japan F3 | 2018/03/22 06:55 | Tatsuma Ito v Ryota Tanuma | 6-7,6-2,6-1 |
| ITF Japan F5 | 2017/04/06 03:10 | Tatsuma Ito v Ryota Tanuma | 6-2,6-4 |
| ITF M25 Sapporo | 2022/09/01 01:00 | Ryota Tanuma v Naoki Tajima | 6-1,6-4 |
| ITF M15 Jakarta | 2022/08/17 05:00 | Ryota Tanuma v Yusuke Takahashi | 6-7,4-6 |
| ITF M15 Jakarta | 2022/08/14 03:00 | Yuta Shimizu v Ryota Tanuma | 6-2,7-5 |
| ITF M15 Jakarta | 2022/08/12 02:00 | Ryota Tanuma v Mitsuki Wei Kang Leong | 6-3,6-2 |
| ITF M15 Jakarta | 2022/08/11 02:00 | Ryota Tanuma v Uisung Park | 6-4,6-1 |
| ITF M15 Jakarta | 2022/08/10 02:00 | Ryota Tanuma v Lohithaksha Bathrinath | 6-3,6-4 |
| ITF M15 Kuching | 2022/08/05 03:00 | Ryota Tanuma v Moerani Bouzige | 6-7,6-1,1-6 |
| ITF M15 Kuching | 2022/08/04 04:30 | Ryota Tanuma v Yamato Sueoka | 6-4,6-3 |
| ITF M25 Sapporo | 2022/09/01 02:40 | Ko Suzuki v Tatsuma Ito | 3-6,2-6 |
| ITF M25 Sapporo | 2022/08/30 01:00 | Ryusuke Horiuchi v Tatsuma Ito | 3-6,1-6 |
| UTR Pro Tennis Series Miki | 2022/07/09 05:00 | Tatsuma Ito v Asahi Harazaki | 6-1,6-0 |
| UTR Pro Tennis Series Miki | 2022/07/09 00:30 | Tatsuma Ito v Ryo Minakata | 6-4,5-3 |
| UTR Pro Tennis Series Miki | 2022/07/08 02:00 | Tatsuma Ito v Shin Inoue | 6-1,6-1 |
| UTR Pro Tennis Series Miki | 2022/07/06 05:00 | Tatsuma Ito v Kazuki Nishiwaki | 7-6,6-4 |
| UTR Pro Tennis Series Miki | 2022/07/05 05:00 | Tatsuma Ito v Hiroki Sakagawa | 6-4,5-1 |
| UTR Pro Tennis Series Miki | 2022/07/04 00:30 | Yamato Sueoka v Tatsuma Ito | 4-6,4-6 |