Stadium: Court 8 Round: 26 Ground: Hardcourt outdoor
| 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 |
| ITF M15 Monastir | 2023/05/14 08:30 | Hikaru Shiraishi v Mehdi Benchakroun | 6-1,6-3 |
| ITF M15 Monastir | 2023/05/10 10:40 | Hikaru Shiraishi v Eliakim Coulibaly | 6-0,6-7,4-6 |
| ITF M15 Nakhon Si Thammarat | 2023/07/05 02:00 | Patrik Oplustil v Thantub Suksumrarn | 7-5,6-3 |
| ITF M15 Nakhon Si Thammarat | 2023/07/03 06:00 | Mitsuki Wei Kang Leong v Patrik Oplustil | 6-7,5-7 |
| ITF M15 Nakhon Si Thammarat | 2023/07/02 07:05 | Natthayut Nithithananont v Patrik Oplustil | 1-6,5-7 |
| ITF M15 Jakarta | 2023/06/26 06:30 | Shivank Bhatnagar v Patrik Oplustil | 6-4,4-6,11-9 |
| ITF M15 Jakarta | 2023/06/21 03:50 | Patrik Oplustil v Seungmin Park | 6-0,1-6,4-6 |
| ITF M15 Jakarta | 2023/06/20 05:00 | Bharath Nishok Kumaran v Patrik Oplustil | 2-6,6-7 |
| ITF M15 Jakarta | 2023/06/19 05:25 | Muthu A Senthilkumar v Patrik Oplustil | 2-6,0-6 |
| ITF M15 Jakarta | 2023/06/17 02:00 | Yuta Kawahashi v Patrik Oplustil | 6-2,6-2 |