Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF M15 Raanana | 2023/08/01 13:20 | Issei Okamura v Ofek Shimanov | 6-4,3-6,2-6 |
| ITF M15 Jakarta | 2023/06/27 05:00 | Koki Matsuda v Issei Okamura | 6-3,7-6 |
| ITF M25 Anseong | 2023/06/21 02:00 | Sanhui Shin v Issei Okamura | 6-2,6-3 |
| ITF M25 Daegu | 2023/06/05 01:00 | Issei Okamura v Chan-Yeong Oh | 1-6,6-4,7-10 |
| ITF M25 Daegu | 2023/06/04 01:00 | Issei Okamura v Jin Sung Han | 7-5,6-3 |
| ITF M15 Karuizawa | 2023/05/30 03:30 | Issei Okamura v Sanhui Shin | 6-3,2-6,1-6 |
| 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 M15 Raanana | 2023/08/01 10:10 | Raz Katz v Rishab Agarwal | 1-6,2-6 |
| ITF M15 Raanana | 2023/07/31 07:00 | Yoav Levy v Raz Katz | 5-7,4-6 |
| ITF M15 Raanana | 2023/07/30 10:00 | Lev Levyatov v Raz Katz | 7-5,0-6,11-13 |
| ITF M25 Roda de Bara | 2023/07/09 09:00 | Raz Katz v Matvey Minin | 2-6,2-6 |
| ITF M25 Netanya | 2023/06/27 06:30 | Aaron Cohen v Raz Katz | 6-1,6-1 |
| ITF M25 Netanya | 2023/06/26 07:00 | Raz Katz v Ori Baron | 7-5,6-3 |
| ITF M25 Netanya | 2023/06/21 10:25 | Raz Katz v Daniel Cukierman | 2-6,4-6 |
| ITF M25 Netanya | 2023/06/20 06:30 | Max Benaim v Raz Katz | 6-7,6-2,5-10 |