| ITF M25 Mataro | 05/19 11:00 | 62 | Ayush Sharma v Alvaro Peiro Serrano | 4-6,2-6 | |
| ITF M15 Telde | 04/07 10:00 | 54 | Sergi Fita Juan v Alvaro Peiro Serrano | 6-2,6-4 | |
| ITF M25 Reus | 04/01 09:00 | 62 | Carlos Giraldi v Alvaro Peiro Serrano | 6-4,7-5 | |
| ITF M25 Reus | 03/31 09:15 | 62 | Alvaro Peiro Serrano v Alvaro Bueno Gil | 6-3,6-1 | |
| ITF M25 Tarragona | 03/24 10:00 | 62 | Paul Ender v Alvaro Peiro Serrano | 6-4,6-2 | |
| ITF M15 Les Franqueses | 03/10 13:00 | 62 | Shyam Sundarr Shri Sailesh v Alvaro Peiro Serrano | 2-6,6-2,11-9 | |
| ITF M15 Torello | 03/04 10:00 | 62 | Ayush Sharma v Alvaro Peiro Serrano | 6-2,3-6,10-7 | |
| ITF M15 Torello | 03/03 14:00 | 62 | Dhruva Mulye v Alvaro Peiro Serrano | 3-6,0-6 | |
| ITF M15 Villena | 02/25 13:00 | 62 | Alvaro Peiro Serrano v Sergio Callejon Hernando | 1-6,1-6 | |
| ITF M15 Villena | 02/18 13:30 | 62 | A.J Catanzariti v Alvaro Peiro Serrano | 6-0,6-3 | |
| ITF M15 Ceuta | 12/10 11:00 | 54 | Alvaro Peiro Serrano v Miguel Garcia | 2-6,4-6 | |
| ITF M25 Madrid | 12/03 09:00 | 62 | Darius Florin Pop v Alvaro Peiro Serrano | 6-0,6-1 | |
| ITF M25 Madrid | 11/26 13:30 | 62 | Vicente O Moratalla v Alvaro Peiro Serrano | 6-3,7-6 | |
| ITF M15 Alcala De Henares | 11/19 13:30 | 62 | Dario Montes v Alvaro Peiro Serrano | 6-4,6-2 | |
| ITF M15 Valencia | 11/12 09:00 | 62 | Darius Florin Pop v Alvaro Peiro Serrano | 6-0,6-4 | |
| ITF M15 Castellon | 10/15 08:30 | 62 | Pol Amoros Ramos v Alvaro Peiro Serrano | 6-4,6-2 | |
| ITF M25 Zaragoza | 10/01 08:00 | 54 | Nicolas Rafael Goldberg Alviani v Alvaro Peiro Serrano | 6-4,6-3 | |
| ITF M15 Melilla | 09/20 09:00 | 25 | Benjamin Winter Lopez v Alvaro P Serrano | 6-1,6-3 | |
| ITF M15 Madrid | 09/06 08:00 | 25 | Giacomo Revelli v Alvaro P Serrano | 6-2,6-4 | |
| ITF M25 Oviedo | 08/28 07:30 | 54 | Alvaro Peiro Serrano v Iago D Alvarez | 6-4,1-6,5-10 | |
| ITF M25 Santander | 08/20 14:30 | 54 | Alvaro Peiro Serrano v Amaan Siddiqui | 6-3,5-7,10-12 | |
| ITF M25 Denia | 07/24 09:00 | 62 | Carlos Guerrero Alvarez v Alvaro Peiro Serrano | 6-2,6-2 | |
| ITF M25 Gandia | 07/17 08:00 | 62 | Ivan Abramov v Alvaro Peiro Serrano | 4-6,6-3,10-8 | |
| ITF M25 Gandia | 07/16 08:00 | 62 | Ivan Kazakov v Alvaro Peiro Serrano | 0-6,4-6 | |
| ITF M15 Rabat | 06/13 11:55 | 44 | Giannicola Misasi v Alvaro Peiro Serrano | 6-4,6-0 | |
| ITF M25 Sanxenxo | 04/27 09:00 | 26 | Alvaro Peiro Serrano v Adria Soriano Barrera | 2-6,1-6 | |
| ITF M25 Sanxenxo | 04/26 10:30 | 25 | Alvaro Peiro Serrano v Miguel Garcia | 2-6,6-2,6-3 | |
| ITF M25 Sanxenxo | 04/24 16:15 | 54 | Alvaro Peiro Serrano v Davide Ferrarolli | 6-0,6-2 | |
| ITF M25 Sanxenxo | 04/24 11:00 | 54 | Alvaro Peiro Serrano v Iago D Alvarez | 6-3,6-1 | |
| ITF M15 Telde | 04/17 08:00 | 54 | Noah Lopez v Alvaro Peiro Serrano | 6-2,6-0 |