Ground: Hardcourt outdoor
| ITF M25 Mungia | 2022/06/19 10:30 | Svyatoslav Gulin v Mario Martinez Serrano | 6-2,6-1 |
| ITF M25 Vic | 2022/05/16 08:00 | Julio Cesar Porras v Mario Martinez Serrano | 6-2,6-3 |
| ITF M15 Valldoreix | 2022/05/09 09:00 | Noah Lopez v Mario Martinez Serrano | 7-5,6-0 |
| ITF M15 Valldoreix | 2022/05/08 12:00 | Marcelo Marino Hidalgo v Mario Martinez Serrano | 1-6,0-6 |
| UTR Pro Tennis Series Barcelona | 2022/01/27 10:30 | Mario Martinez Serrano v Oleksandr Bielinskyi | 3-6,1-6 |
| UTR Pro Tennis Series Barcelona | 2022/01/26 11:30 | Miguel Fernando Pereira v Mario Martinez Serrano | 6-4,6-7,4-6 |
| UTR Pro Tennis Series Barcelona | 2022/01/25 09:30 | Alex M Pujolras v Mario Martinez Serrano | 6-2,6-0 |
| UTR Pro Tennis Series Barcelona | 2022/01/24 11:10 | Ignasi De Rueda De Genover v Mario Martinez Serrano | 5-7,4-6 |