Stadium: Court 6 Round: 27 Ground: Hardcourt indoor
| ITF M25 Sapporo | 2022/09/07 02:40 | Ryota Tanuma v Taisei Ichikawa | 6-0,6-0 |
| ITF M15 Monastir | 2021/06/01 08:50 | Taisei Ichikawa v Ryota Tanuma | 7-6,6-3 |
| ITF M15 Tokyo | 2024/07/11 04:20 | Shu Matsuoka v Ryota Tanuma | 7-6,3-6,3-6 |
| ITF M15 Tokyo | 2024/07/10 02:00 | Koki Matsuda v Ryota Tanuma | 4-6,6-3,1-6 |
| ITF M15 Tokyo | 2024/07/09 01:00 | Ryota Tanuma v Yusuke Kusuhara | 6-4,6-4 |
| ITF M15 Tokyo | 2024/07/08 01:00 | Ryota Tanuma v Ryotaro Shimomura | 6-2,4-6,10-7 |
| ITF M15 Tokyo | 2024/07/03 05:15 | Yunseok Jang v Ryota Tanuma | 6-2,6-4 |
| UTR Pro Kawaguchi | 2024/06/24 08:15 | Yuta Tomida v Ryota Tanuma | 0-0 |
| UTR Pro Kawaguchi | 2024/06/24 00:30 | Hikaru Shiraishi v Ryota Tanuma | 4-6,3-6 |
| UTR Pro Kawaguchi | 2024/06/22 04:53 | Ryota Tanuma v Corey Craig | 7-6,2-6,7-5 |
| ITF M15 Tokyo | 2024/07/11 04:00 | Taisei Ichikawa v Masamichi Imamura | 7-6,6-1 |
| ITF M15 Tokyo | 2024/07/10 03:45 | Yusaku Sugaya v Taisei Ichikawa | 3-6,6-3,2-6 |
| ITF M15 Tokyo | 2024/07/02 04:25 | Yuki Mochizuki v Taisei Ichikawa | 6-4,6-4 |
| ITF M15 Nakhon Si Thammarat | 2024/02/29 05:25 | Taisei Ichikawa v Orel Kimhi | 3-6,7-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2024/02/27 02:00 | Taisei Ichikawa v Siwanat Auytayakul | 6-2,6-3 |
| ITF M15 Nakhon Si Thammarat | 2024/02/22 02:00 | Yan Bai v Taisei Ichikawa | 6-3,6-2 |
| ITF M15 Nakhon Si Thammarat | 2024/02/21 04:10 | Taisei Ichikawa v Tao Mu | 6-7,6-3,7-5 |
| Challenger Burnie | 2024/02/06 00:45 | Taisei Ichikawa v Christian Langmo | 6-7,4-6 |