Stadium: Court 6 Round: 28 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2023/03/08 13:00 | Ryuki Matsuda v Hikaru Shiraishi | 3-6,3-6 |
| ITF M15 Seremban | 2022/07/20 02:50 | Ryuki Matsuda v Hikaru Shiraishi | 4-6,0-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/07 02:00 | Ji Hoon Son v Ryuki Matsuda | 3-6,1-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/06 04:25 | Kokoro Isomura v Ryuki Matsuda | 4-6,7-6,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/05 07:10 | Congsup Congcar v Ryuki Matsuda | 4-6,1-6 |
| ITF M15 Monastir | 2023/06/15 10:15 | Kalman Boyd v Ryuki Matsuda | 6-4,6-1 |
| ITF M15 Monastir | 2023/06/13 10:15 | Fabio Coelho v Ryuki Matsuda | 1-6,6-4,1-6 |
| ITF M15 Monastir | 2023/06/11 08:55 | Hady Habib v Ryuki Matsuda | 6-2,6-3 |
| ITF M15 Monastir | 2023/06/10 10:40 | Ilya Snitari v Ryuki Matsuda | 3-6,3-6 |
| ITF M15 Monastir | 2023/06/09 08:30 | Ryuki Matsuda v Alexander Cozbinov | 2-6,7-5,6-3 |
| 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 M15 Karuizawa | 2023/06/03 03:30 | Yuta Kawahashi v Hikaru Shiraishi | 7-5,1-6,10-7 |
| ITF M15 Karuizawa | 2023/06/01 01:45 | Ryotaro Matsumura v Hikaru Shiraishi | 4-6,2-6 |
| ITF M15 Karuizawa | 2023/05/31 01:00 | Toru Horie v Hikaru Shiraishi | 4-6,6-4,4-6 |
| ITF M15 Monastir | 2023/05/17 12:35 | Robin Bertrand v Hikaru Shiraishi | 7-5,2-6,6-4 |
| ITF M15 Monastir | 2023/05/16 08:00 | Hikaru Shiraishi v Antoni Fabre | 7-6,6-3 |
| ITF M15 Monastir | 2023/05/15 12:30 | Hikaru Shiraishi v Hillel Rousseau | 6-4,6-3 |