Stadium: Court 6 Round: 19 Ground: Hardcourt outdoor
| ITF M25 Nottingham - selejtező | 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 Tsukuba | 2023/03/27 05:00 | Ryotaro Taguchi v Issei Okamura | 7-5,6-2 |
| ITF M25 Tsukuba | 2023/03/27 00:30 | Seiya Nakanishi v Issei Okamura | 2-6,4-6 |
| ITF M15 Aktobe | 2023/03/06 09:40 | Issei Okamura v Mykhailo Mossur | 4-6,6-3,5-10 |
| ITF M25 Nottingham - selejtező | 2023/04/24 11:50 | Freddie Ridout v George Houghton | 2-6,2-6 |
| ITF M25 Nottingham | 2023/04/17 11:25 | Hamish Stewart v George Houghton | 6-4,6-4 |
| ITF M25 Nottingham | 2023/04/16 11:00 | David Quayle v George Houghton | 4-6,6-7 |
| UK Pro League | 2023/04/14 10:00 | Adam Jones v George Houghton | 2-6,3-6 |
| UK Pro League | 2023/04/13 11:15 | Ivan Denisov v George Houghton | 6-7,5-7 |
| UK Pro League | 2023/04/12 16:30 | Michael Shaw v George Houghton | 5-7,6-3,9-11 |
| UK Pro League | 2023/04/11 13:00 | Louis Bowden v George Houghton | 7-5,6-1 |
| UK Pro League | 2023/04/09 14:30 | Joshua Goodger v George Houghton | 6-3,7-5 |