Stadium: Court 8 Round: 45 Ground: Hardcourt indoor
| Challenger Prostejov | 2023/06/04 09:15 | Milos Karol v Vitaliy Sachko | 3-6,2-6 |
| ITF M25 Jablonec Nad Nisou | 2023/05/28 11:30 | Milos Karol v Thijmen Loof | 5-7,2-6 |
| ITF M25 Most | 2023/05/24 12:45 | Milos Karol v Mika Brunold | 2-6,4-6 |
| ITF M15 Prijedor | 2023/05/17 13:15 | Milos Karol v Ali Habib | 4-6,6-1,3-10 |
| ITF M15 Prijedor | 2023/05/15 09:00 | Milos Karol v Mateo Martinovic | 6-4,6-3 |
| ITF M25 Split | 2023/04/20 07:50 | Michael Vrbensky v Milos Karol | 0-6,6-2,7-6 |
| ITF M25 Split | 2023/04/19 07:55 | Milos Karol v Luka Miklavcic | 6-2,7-5 |
| ITF M25 Split | 2023/04/18 07:55 | Milos Karol v Roko Misura | 6-3,6-1 |
| Challenger Oeiras | 2023/05/17 09:00 | Ulises Blanch v Facundo Diaz Acosta | 4-6,5-7 |
| Challenger Oeiras | 2023/05/16 11:55 | Ulises Blanch v Pedro Sousa | 6-2,7-6 |
| Challenger Oeiras | 2023/05/15 09:00 | Javier Barranco Cosano v Ulises Blanch | 6-7,6-7 |
| Challenger Oeiras | 2023/05/14 09:00 | Ulises Blanch v Alibek Kachmazov | 6-4,7-5 |
| Challenger Savannah | 2023/04/24 21:25 | Matteo Martineau v Ulises Blanch | 6-4,3-6,6-4 |
| Challenger Tallahassee | 2023/04/18 17:55 | Patrick Kypson v Ulises Blanch | 6-3,7-5 |
| Challenger Lille | 2023/03/26 08:00 | Ulises Blanch v Mark Lajal | 1-6,4-6 |
| Challenger Las Franquesas del Valles | 2023/03/21 09:00 | Ulises Blanch v Michael Geerts | 4-6,6-7 |