Estadio: Court 18 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Villena | 2024/02/18 13:30 | A.J Catanzariti v Alvaro Peiro Serrano | 6-0,6-3 |
| ITF M15 Ceuta | 2023/12/10 11:00 | Alvaro Peiro Serrano v Miguel Garcia | 2-6,4-6 |
| ITF M25 Madrid | 2023/12/03 09:00 | Darius Florin Pop v Alvaro Peiro Serrano | 6-0,6-1 |
| ITF M25 Madrid | 2023/11/26 13:30 | Vicente O Moratalla v Alvaro Peiro Serrano | 6-3,7-6 |
| ITF M15 Valencia | 2023/11/12 09:00 | Darius Florin Pop v Alvaro Peiro Serrano | 6-0,6-4 |
| ITF M15 Castellón | 2023/10/15 08:30 | Pol Amoros Ramos v Alvaro Peiro Serrano | 6-4,6-2 |
| ITF M25 Zaragoza | 2023/10/01 08:00 | Nicolas Rafael Goldberg Alviani v Alvaro Peiro Serrano | 6-4,6-3 |
| ITF M15 Melilla | 2023/09/20 09:00 | Benjamin Winter Lopez v Alvaro Peiro Serrano | 6-1,6-3 |
| ITF M15 Villena | 2024/02/20 11:20 | Adria Soriano Barrera v Sergio Callejon Hernando | 6-3,2-6,6-4 |
| ITF M25 Vila Real de Santo Antonio | 2024/02/16 09:30 | Alberto Barroso Campos v Sergio Callejon Hernando | 7-5,6-1 |
| ITF M25 Vila Real de Santo Antonio | 2024/02/14 14:30 | Gabriele Piraino v Sergio Callejon Hernando | 3-6,2-6 |
| ITF M25 Vila Real de Santo Antonio | 2024/02/14 09:30 | Sergio Callejon Hernando v Jeremy Taylor | 6-4,6-3 |
| ITF M15 Manacor | 2024/01/23 15:00 | Martin Landaluce v Sergio Callejon Hernando | 7-6,6-2 |
| ITF M15 Manacor | 2024/01/18 10:00 | Deney Wassermann v Sergio Callejon Hernando | 6-3,6-4 |
| ITF M15 Manacor | 2024/01/17 11:30 | Sergio Callejon Hernando v Liam Gavrielides | 3-6,6-2,6-2 |
| ITF M15 Manacor | 2024/01/16 11:15 | Sergio Callejon Hernando v Manas Manoj Dhamne | 3-6,7-5,5-10 |