Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M25 Nottingham | 2023/05/01 09:00 | Issei Okamura v Ryan James Storrie | 3-6,3-6 |
| ITF M25 Nottingham Qual | 2023/04/30 09:00 | Issei Okamura v Joseph White | 6-0,6-2 |
| ITF M25 Nottingham | 2023/04/25 09:00 | Issei Okamura v George Houghton | 2-6,1-6 |
| ITF M25 Nottingham Qual | 2023/04/24 13:00 | Issei Okamura v Max Benaim | 6-4,6-4 |
| ITF M25 Kashiwa | 2023/04/06 03:40 | Kaito Uesugi v Issei Okamura | 6-1,6-4 |
| ITF M25 Kashiwa | 2023/04/05 05:35 | Issei Okamura v Sho Shimabukuro | 7-6,0-6,7-6 |
| ITF M25 Kashiwa | 2023/04/03 01:00 | Koki Matsuda v Issei Okamura | 1-6,2-6 |
| ITF M25 Kashiwa | 2023/04/02 00:30 | Taketo Takamisawa v Issei Okamura | 1-6,2-6 |
| ITF M25 Tbilisi | 2023/05/01 06:00 | Petr Bar Biryukov v Raz Katz | 6-4,6-2 |
| ITF M25 Tbilisi | 2023/04/30 11:15 | Raz Katz v Igor Dudun | 2-6,6-0,10-4 |
| ITF M25 Tbilisi | 2023/04/24 08:00 | Raz Katz v Vladimir Bazilevskiy | 1-6,6-7 |
| ITF M25 Tbilisi | 2023/04/23 06:00 | Raz Katz v Alexander Ushakov | 6-2,6-2 |
| ITF M15 Heraklion | 2023/03/21 07:00 | Kai Lemstra v Raz Katz | 6-2,6-2 |
| ITF M15 Heraklion | 2023/03/20 08:00 | Raz Katz v Mark Neyelov | 0-6,7-5,10-8 |
| ITF M15 Heraklion | 2023/03/19 07:00 | Niklas Koch v Raz Katz | 2-6,6-7 |
| ITF M25 Heraklion | 2023/03/14 07:00 | Nikolay Nedelchev v Raz Katz | 6-0,6-1 |