Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Santander | 2023/08/24 10:00 | Alvaro Lopez San Martin v Imanol L Morillo | 6-7,7-6,4-6 |
| ITF M25 Santander | 2023/08/23 10:00 | Alvaro Lopez San Martin v Alejandro Juan Mano | 7-5,6-4 |
| ITF M25 Santander | 2023/08/22 09:55 | Alvaro Lopez San Martin v Tomas C Abasolo | 6-1,4-6,6-3 |
| Challenger Cordenons | 2023/08/08 13:25 | Alvaro Lopez San Martin v Enrico Dalla Valle | 2-6,4-6 |
| Challenger Braunschweig | 2023/07/09 14:30 | Alvaro Lopez San Martin v Yanaki Milev | 6-3,6-7,4-6 |
| Challenger Troyes | 2023/07/03 15:55 | Alvaro Lopez San Martin v Mathys Erhard | 6-2,1-6,4-6 |
| ITF M25 Bakio | 2023/06/28 14:00 | Antonio Prat v Alvaro Lopez San Martin | 6-3,4-6,6-2 |
| ITF M25 Bakio | 2023/06/27 17:10 | Illya Maksymchuk v Alvaro Lopez San Martin | 2-6,1-6 |
| ITF M25 Oviedo | 2023/08/28 17:45 | Sergio Callejon Hernando v Alejandro T Alvarez | 6-2,6-3 |
| ITF M25 Oviedo | 2023/08/28 10:30 | Sergio Callejon Hernando v Samuel M Arjona | 6-4,7-5 |
| ITF M25 Santander | 2023/08/23 17:00 | Ryan Nijboer v Sergio Callejon Hernando | 6-1,7-6 |
| ITF M25 Santander | 2023/08/22 08:00 | Sergio Callejon Hernando v Iker Urribarrens | 6-2,2-6,6-3 |
| ITF M25 Santander | 2023/08/21 09:00 | Sergio Callejon Hernando v Carlos Guerrero Alvarez | 6-4,6-3 |
| ITF M25 Santander | 2023/08/20 09:00 | Sergio Callejon Hernando v Jiri Cizek | 6-2,6-4 |
| ITF M15 Xativa | 2023/08/04 16:25 | Ryan Nijboer v Sergio Callejon Hernando | 6-2,6-3 |
| ITF M15 Xativa | 2023/08/03 15:00 | Fnu Nidunjianzan v Sergio Callejon Hernando | 3-6,3-6 |