Stadium: Court 6 Round: 25 Ground: Hardcourt indoor
| ITF M15 Tokyo | 2024/07/09 00:55 | Seiya Nakanishi v Yusaku Sugaya | 2-6,2-6 |
| ITF M15 Tokyo | 2024/07/08 03:30 | Hiroki Sakagawa v Yusaku Sugaya | 4-6,5-7 |
| ITF M15 Karuizawa | 2024/06/01 06:10 | Yusaku Sugaya v Kaichi Uchida | 1-6,1-6 |
| ITF M15 Karuizawa | 2024/06/01 01:30 | Yusaku Sugaya v Woobin Shin | 7-6,4-6,10-8 |
| ITF M15 Karuizawa | 2024/05/30 02:50 | Kokoro Isomura v Yusaku Sugaya | 4-6,6-1,6-7 |
| ITF M15 Karuizawa | 2024/05/29 02:00 | Yusaku Sugaya v Shunsuke Nakagawa | 5-7,7-6,10-7 |
| ITF M15 Karuizawa | 2024/05/27 01:00 | Geni Inoue v Yusaku Sugaya | 4-6,2-6 |
| ITF M15 Karuizawa | 2024/05/26 01:00 | Yusaku Sugaya v Yua Taka | 6-7,7-5,10-5 |
| 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 |
| 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 |