Stadium: Pista Pedro Munoz Round: 19 Ground: Hardcourt outdoor
| Challenger Segovia | 2023/07/23 12:00 | Ulises Blanch v Pablo Carretero | 6-3,6-1 |
| Challenger Pozoblanco | 2023/07/17 19:35 | Daniel Cukierman v Ulises Blanch | 6-4,6-4 |
| Challenger Pozoblanco | 2023/07/16 20:40 | Vilius Gaubas v Ulises Blanch | 4-6,3-6 |
| Challenger Modena | 2023/06/25 10:30 | Timo Stodder v Ulises Blanch | 6-4,2-6,6-0 |
| Challenger Poznan | 2023/06/22 12:10 | Ulises Blanch v Tomas Barrios Vera | 3-6,7-5,5-7 |
| Challenger Poznan | 2023/06/21 08:00 | Dali Blanch v Ulises Blanch | 6-1,3-6,4-6 |
| Challenger Poznan | 2023/06/19 09:00 | Carlos Sanchez Jover v Ulises Blanch | 3-6,6-0,4-6 |
| Challenger Poznan | 2023/06/18 13:30 | Rigele Te v Ulises Blanch | 6-7,5-7 |
| Challenger Segovia | 2023/07/23 13:20 | Nicolas H Cuesta v John Echeverria | 4-6,4-6 |
| Challenger Pozoblanco | 2023/07/16 20:25 | Benjamin Lock v John Echeverria | 6-3,7-6 |
| ITF M25 Bakio | 2023/06/28 08:00 | Lucas Poullain v John Echeverria | 7-5,7-6 |
| ITF M25 Bakio | 2023/06/26 18:00 | John Echeverria v Fajing Sun | 6-2,6-2 |
| ITF M25 Martos | 2023/06/16 16:00 | Henrique Rocha v John Echeverria | 6-2,6-4 |
| ITF M25 Martos | 2023/06/15 15:00 | John Echeverria v Imanol L Morillo | 6-4,6-4 |
| ITF M25 La Nucia | 2023/06/01 17:15 | John Echeverria v Alibek Kachmazov | 5-7,3-6 |
| ITF M25 La Nucia | 2023/06/01 11:20 | John Echeverria v Georgii Kravchenko | 7-6,6-7,6-4 |