Stadium: Court 1 Round: 25 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 M15 Osijek | 2023/05/01 07:55 | Zak Talic v Vito Dell'Elba | 1-6,6-7 |
| ITF M15 Meerbusch | 2023/04/24 12:00 | Tom Schonenberg v Zak Talic | 6-2,6-3 |
| ITF M15 Meerbusch | 2023/04/23 08:00 | Felix Einig v Zak Talic | 5-7,5-7 |
| ITF M25 Canberra | 2023/03/20 00:00 | Zak Talic v Charles J Kinaadman | 1-6,2-6 |
| ITF M25 Canberra | 2023/03/12 23:00 | Zak Talic v Lawrence Sciglitano | 4-6,2-6 |
| ITF M25 Swan Hill | 2023/03/02 00:45 | Thomas Fancutt v Zak Talic | 7-5,7-6 |
| ITF M25 Swan Hill | 2023/03/01 01:35 | Zak Talic v Blake Bayldon | 6-2,4-6,6-3 |
| ITF M25 Swan Hill | 2023/02/23 01:40 | Zak Talic v Matthew Dellavedova | 2-6,2-6 |