Stadium: Court Central Round: 62 Ground: Hardcourt outdoor
| ITF M15 - Monastir | 2023/04/24 08:00 | Hikaru Shiraishi v Chen-Yu Lu | 6-3,6-3 |
| ITF M25 - Kashiwa | 2023/04/08 01:00 | Yu Hsiou Hsu v Hikaru Shiraishi | 7-5,6-3 |
| ITF M25 - Kashiwa | 2023/04/07 02:30 | Yuta Shimizu v Hikaru Shiraishi | 4-6,1-6 |
| ITF M25 - Kashiwa | 2023/04/06 01:30 | Hikaru Shiraishi v Hiroki Moriya | 6-2,6-3 |
| ITF M25 - Kashiwa | 2023/04/05 01:00 | Hikaru Shiraishi v Shinji Hazawa | 6-7,6-2,6-3 |
| ITF M25 - Kashiwa | 2023/04/03 05:05 | Taisei Ichikawa v Hikaru Shiraishi | 4-6,2-6 |
| ITF M25 - Kashiwa | 2023/04/02 02:30 | Toru Horie v Hikaru Shiraishi | 6-3,5-7,4-10 |
| ITF M25 - Tsukuba | 2023/03/29 02:35 | Hikaru Shiraishi v Tristan Schoolkate | 4-6,0-6 |
| ITF M15 - Monastir | 2023/04/24 08:00 | Anro Nel v Tomas Lanik | 2-6,0-6 |
| ITF M15 - Monastir | 2023/04/19 11:00 | Tomas Lanik v Hazem Naw | 1-6,4-6 |
| ITF M15 - Monastir | 2023/04/17 14:00 | Louis Larue v Tomas Lanik | 1-6,0-6 |
| ITF M15 - Monastir | 2023/04/16 08:00 | Tushar Sharma v Tomas Lanik | 3-6,3-6 |
| ITF M15 - Sharm El Sheikh | 2023/03/23 11:45 | Tomas Lanik v Yshai Oliel | 3-6,0-6 |
| ITF M15 - Sharm El Sheikh | 2023/03/21 08:00 | Tomas Lanik v Aryan Lakshmanan | 6-1,6-2 |
| ITF M15 - Sharm El Sheikh | 2023/03/20 08:00 | Tomas Lanik v Freddie Ridout | 6-1,6-1 |
| ITF M15 - Sharm El Sheikh | 2023/03/19 08:00 | Tomas Lanik v Igor Trunov | 6-3,6-2 |