Round: 62 Ground: Hardcourt outdoor
| ITF M25 Madrid | 2022/11/28 09:00 | Dario Montes v Nikolay Nedelchev | 6-4,2-6,9-11 |
| ITF M25 Madrid | 2022/09/11 07:00 | Dario Montes v Zhenxiong Dong | 3-6,5-7 |
| ITF M15 Marbella | 2021/05/23 07:00 | Dario Montes v Aaron Cohen | 1-6,1-6 |
| ITF M15 Getafe Madrid | 2019/10/13 13:00 | Dario Montes v Alejandro Garcia | 2-6,4-6 |
| ITF M25 Madrid | 2019/09/16 10:30 | Dario Montes v Xavier Gabarro | 6-7,7-6,11-13 |
| ITF M25 Madrid | 2019/09/15 15:00 | Dario Montes v Andreas A Lavdas | 6-1,6-2 |
| ITF Portugal F20 | 2018/10/07 13:00 | Dario Montes v Jake Hersey | 4-6,6-7 |
| ITF Portugal F20 | 2018/10/06 11:00 | Eduardo LDR De Almeida v Dario Montes | 3-6,6-7 |
| ITF M15 Valencia | 2023/11/12 09:00 | Darius Florin Pop v Alvaro Peiro Serrano | 6-0,6-4 |
| ITF M15 Castellon | 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 Madrid | 2023/09/06 08:00 | Giacomo Revelli v Alvaro Peiro Serrano | 6-2,6-4 |
| ITF M25 Oviedo | 2023/08/28 07:30 | Alvaro Peiro Serrano v Iago D Alvarez | 6-4,1-6,5-10 |
| ITF M25 Santander | 2023/08/20 14:30 | Alvaro Peiro Serrano v Amaan Siddiqui | 6-3,5-7,10-12 |
| ITF M25 Denia | 2023/07/24 09:00 | Carlos Guerrero Alvarez v Alvaro Peiro Serrano | 6-2,6-2 |