Stadium: Court 4 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Kashiwa | 2023/04/03 05:05 | Taisei Ichikawa v Hikaru Shiraishi | 4-6,2-6 |
| ITF M25 Takasaki | 2023/09/20 06:45 | Kazuma Kawachi v Hikaru Shiraishi | 3-6,3-6 |
| ITF M25 Sapporo | 2023/09/16 01:00 | Shuichi Sekiguchi v Hikaru Shiraishi | 6-2,4-6,6-3 |
| ITF M25 Sapporo | 2023/09/05 04:55 | Hikaru Shiraishi v Ryotaro Taguchi | 4-6,6-4,0-6 |
| ITF M25 Hong Kong | 2023/08/29 02:00 | Hikaru Shiraishi v Justin Barki | 6-7,7-6,3-6 |
| ITF M25 Hong Kong | 2023/08/28 02:00 | Hikaru Shiraishi v Anthony Susanto | 6-2,6-4 |
| ITF M15 Nakhon Si Thammarat | 2023/07/08 02:00 | Ryuki Matsuda v Hikaru Shiraishi | 6-2,3-6,6-4 |
| ITF M15 Nakhon Si Thammarat | 2023/07/07 02:00 | Hikaru Shiraishi v Yurii Dzhavakian | 6-2,7-5 |
| ITF M15 Nakhon Si Thammarat | 2023/07/06 03:00 | Hikaru Shiraishi v Patrik Oplustil | 6-3,3-6,6-3 |
| ITF M25 Takasaki | 2023/09/19 01:00 | Yunseok Jang v Taisei Ichikawa | 1-6,2-6 |
| ITF M15 Nakhon Si Thammarat | 2023/09/07 02:00 | Taisei Ichikawa v James Watt | 4-6,3-6 |
| ITF M15 Nakhon Si Thammarat | 2023/09/05 03:35 | Taisei Ichikawa v Credit Chaiyarin | 6-4,6-4 |
| ITF M15 Nakhon Si Thammarat | 2023/09/01 02:00 | Thanapet Chanta v Taisei Ichikawa | 7-6,7-5 |
| ITF M15 Nakhon Si Thammarat | 2023/08/31 01:55 | Patrik Oplustil v Taisei Ichikawa | 6-4,4-6,3-6 |
| ITF M15 Nakhon Si Thammarat | 2023/08/30 02:00 | Grigoriy Lomakin v Taisei Ichikawa | 6-7,4-6 |
| ITF M25 Tainan | 2023/08/23 02:00 | Taisei Ichikawa v Henrik Wiersholm | 6-7,2-6 |
| ITF M25 Tainan | 2023/08/17 02:00 | Taisei Ichikawa v Lucio Carnevalle | 6-4,6-4 |