Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Valencia | 2023/11/14 11:00 | Sergi Perez Contri v Alejandro Manzanera Pertusa | 5-7,6-3,5-7 |
| ITF M25 Benicarlo | 2023/11/07 10:45 | Alejandro Manzanera Pertusa v Jordi Garcia Mestre | 6-2,1-6,5-10 |
| ITF M25 Benicarlo | 2023/11/06 12:00 | Alejandro Manzanera Pertusa v Louroi Martinez | 6-2,6-1 |
| ITF M25 Benicarlo | 2023/11/05 11:30 | Alejandro Manzanera Pertusa v Manel L Juncadella | 6-1,6-3 |
| ITF M15 Castellon | 2023/10/17 12:40 | Alejandro Manzanera Pertusa v Matyas Fuele | 2-6,6-3,1-6 |
| ITF M15 Vigo | 2023/10/11 12:00 | Alejo Sanchez Quilez v Alejandro Manzanera Pertusa | 0-6,7-6,6-4 |
| Challenger Alicante | 2023/10/01 11:25 | Martin Damm v Alejandro Manzanera Pertusa | 6-7,6-4,6-4 |
| ITF M15 Melilla | 2023/09/21 12:40 | Alejandro Manzanera Pertusa v Alejo Sanchez Quilez | 3-6,4-6 |
| ITF M15 Valencia | 2023/11/15 08:20 | Alejandro M Kretzer v David Naharro | 6-4,2-6,7-5 |
| ITF M25 Benicarlo | 2023/11/06 09:00 | Nil Regas Luis v Alejandro M Kretzer | 6-3,2-6,10-4 |
| ITF M25 Benicarlo | 2023/11/05 08:30 | Peetu Pohjola v Alejandro M Kretzer | 3-6,3-6 |
| ITF M15 Castellon | 2023/10/17 09:00 | Alvaro Lopez San Martin v Alejandro M Kretzer | 6-4,6-2 |
| ITF M15 Vigo | 2023/10/12 09:35 | Liam Gavrielides v Alejandro M Kretzer | 6-3,6-3 |
| ITF M15 Vigo | 2023/10/11 14:15 | Joris Moret v Alejandro M Kretzer | 2-6,6-3,3-6 |
| ITF M25 Zaragoza | 2023/10/03 08:30 | Alejandro M Kretzer v Samuel Brosset | 3-6,6-7 |
| ITF M25 Sabadell | 2023/09/27 12:10 | Alejandro M Kretzer v Kane Bonsach Ganley | 5-7,2-6 |