Estádio: Court 10 Round: 62 Ground: Clay
| ITF - M25 Dénia | 2023/07/23 09:00 | Rodrigo Mora Clement v Carlos Guerrero Alvarez | 1-6,0-6 |
| ITF - M25 Gandia | 2023/07/17 08:00 | Valerio Perruzza v Carlos Guerrero Alvarez | 6-4,6-4 |
| ITF - M25 Gandia | 2023/07/16 07:00 | Luca Nari v Carlos Guerrero Alvarez | 2-6,0-6 |
| ITF - M25 Roda de Berà | 2023/07/09 15:30 | Carlos Guerrero Alvarez v Alen Moritz Hodzic | 6-7,1-6 |
| ITF - M15 Casablanca | 2023/06/26 09:00 | Carlos Guerrero Alvarez v Rocco Piatti | 1-6,3-6 |
| ITF - M15 Monastir | 2022/12/12 08:30 | Tom Evans v Carlos Guerrero Alvarez | 6-3,7-5 |
| ITF - M15 Monastir | 2022/12/11 09:30 | Adrian Arcon v Carlos Guerrero Alvarez | 1-6,4-6 |
| ITF - M15 Monastir | 2022/12/05 08:00 | Alessandro Bellifemine v Carlos Guerrero Alvarez | 4-6,6-3,12-10 |
| ITF - M25 Gandia | 2023/07/17 08:00 | Ivan Abramov v Alvaro Peiro Serrano | 4-6,6-3,10-8 |
| ITF - M25 Gandia | 2023/07/16 08:00 | Ivan Kazakov v Alvaro Peiro Serrano | 0-6,4-6 |
| ITF - M15 Rabat | 2023/06/13 11:55 | Giannicola Misasi v Alvaro Peiro Serrano | 6-4,6-0 |
| ITF - M25 Sanxenxo | 2023/04/27 09:00 | Alvaro Peiro Serrano v Adria Soriano Barrera | 2-6,1-6 |
| ITF - M25 Sanxenxo | 2023/04/26 10:30 | Alvaro Peiro Serrano v Miguel Garcia | 2-6,6-2,6-3 |
| ITF - M25 Sanxenxo | 2023/04/24 16:15 | Alvaro Peiro Serrano v Davide Ferrarolli | 6-0,6-2 |
| ITF - M25 Sanxenxo | 2023/04/24 11:00 | Alvaro Peiro Serrano v Iago D Alvarez | 6-3,6-1 |
| ITF - M15 Telde | 2023/04/17 08:00 | Noah Lopez v Alvaro Peiro Serrano | 6-2,6-0 |