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 Yanagawa | 2023/12/20 05:00 | Ryota Tanuma v Hikaru Shiraishi | 0-6,3-6 |
| ITF M15 Kuala Lumpur | 2023/12/02 02:00 | Yeongseok Jeong v Ryota Tanuma | 7-6,4-6,6-4 |
| ITF M15 Kuala Lumpur | 2023/12/01 02:00 | Ryota Tanuma v Changli Zhang | 2-6,6-4,6-1 |
| ITF M15 Kuala Lumpur | 2023/11/28 01:30 | Ryota Tanuma v Antoine Berger | 3-6,7-5,10-0 |
| ITF M15 Ipoh Perak | 2023/11/25 01:30 | Alexey Zakharov v Ryota Tanuma | 6-3,6-2 |
| ITF M15 Ipoh Perak | 2023/11/23 04:30 | Ryota Tanuma v Yuta Kawahashi | 6-0,6-4 |
| ITF M15 Ipoh Perak | 2023/11/22 09:40 | Patrik Oplustil v Ryota Tanuma | 3-6,1-6 |
| ITF M15 Ipoh Perak | 2023/11/21 04:00 | Ke Hau Hung v Ryota Tanuma | 2-6,2-6 |
| 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 |
| Challenger Burnie | 2024/02/05 00:50 | Taisei Ichikawa v Thomas Braithwaite | 7-6,6-3 |
| Challenger Burnie Qual | 2024/02/04 01:50 | Taisei Ichikawa v Scott Jones | 7-6,4-6,6-3 |
| Challenger Burnie | 2024/01/28 23:00 | Taisei Ichikawa v Scott Jones | 5-7,1-6 |