Stadium: Court Central Round: 62 Ground: Hardcourt outdoor
| Challenger Kobe | 2022/11/13 06:25 | Marc Polmans v Hikaru Shiraishi | 7-5,4-6,6-0 |
| Challenger Yokohama | 2022/10/31 03:55 | Hikaru Shiraishi v Jonathan Mridha | 6-4,2-6,5-7 |
| Challenger Yokohama | 2022/10/30 04:55 | Makoto Ochi v Hikaru Shiraishi | 1-6,6-4,5-7 |
| ITF M15 Seremban | 2022/07/20 02:50 | Ryuki Matsuda v Hikaru Shiraishi | 4-6,0-6 |
| ITF M15 Monastir | 2022/03/05 12:15 | Raphael Collignon v Hikaru Shiraishi | 4-6,7-6,6-0 |
| ITF M15 Monastir | 2022/03/04 08:00 | Dominik Boehler v Hikaru Shiraishi | 3-6,2-6 |
| ITF M15 Monastir | 2022/03/03 10:10 | Martin Breysach v Hikaru Shiraishi | 5-7,1-6 |
| ITF M15 Monastir | 2022/03/02 15:20 | Hikaru Shiraishi v Hanwen Li | 6-3,6-2 |
| ITF M25 Trnava | 2022/12/06 10:00 | Stefanos Sakellaridis v Tomas Lanik | 7-6,6-3 |
| ITF M25 Trnava | 2022/12/05 10:00 | Tomas Lanik v Pavel Shumeiko | 6-2,6-4 |
| ITF M25 Trnava | 2022/11/30 10:45 | David Poljak v Tomas Lanik | 6-0,6-2 |
| ITF M25 Trnava | 2022/11/28 09:00 | Kai Lemstra v Tomas Lanik | 4-6,3-6 |
| ITF M15 Sharm El Sheikh | 2022/11/25 08:00 | Tomas Lanik v Lukas Krainer | 6-4,4-6,3-6 |
| ITF M15 Sharm El Sheikh | 2022/11/24 08:00 | Alexander Zgirovsky v Tomas Lanik | 6-1,2-6,6-7 |
| ITF M15 Sharm El Sheikh | 2022/11/23 13:20 | Hong Chung v Tomas Lanik | 4-6,2-6 |
| ITF M15 Sharm El Sheikh | 2022/11/22 10:25 | Fares Zakaria v Tomas Lanik | 6-2,3-6,9-11 |