Stadium: Cardiff Met Tennis Centre - Court 03 Ground: Hardcourt indoor
Referee:
| ITF M15 Kayseri | 2025/09/17 09:54 | Grigory Shebekin v Joe Leather | 6-3,7-6 |
| ITF M15 Monastir | 2025/09/02 08:30 | Joe Leather v Remy Dugardin | 1-6,1-4 |
| ITF M15 Monastir | 2025/08/29 09:30 | Joe Leather v Jorge Plans | 6-2,2-6,3-6 |
| ITF M15 Monastir | 2025/08/28 08:30 | Jesse Flores v Joe Leather | 7-6,0-3 |
| ITF M15 Monastir | 2025/08/27 08:30 | Barney Fitzpatrick v Joe Leather | 3-6,1-6 |
| ITF M15 Monastir | 2025/08/26 08:30 | Joe Leather v Isaac Nortey | 6-3,6-2 |
| ITF M15 Turku | 2025/08/12 10:53 | Joe Leather v Henrik Villanger | 2-6,6-2,6-7 |
| ITF M25 Roehampton | 2025/08/05 09:00 | Joe Leather v Blake Mott | 4-6,6-7 |