Stadium: Court 1 Round: 25 Ground: Clay
| ITF - M15 Villena | 2020/11/17 10:00 | Lopez San Martin, Alvaro v Raul Brancaccio | 3-6,0-6 |
| ITF M15 Valldoreix | 2020/11/10 13:30 | Quinzi, Gianluigi v Lopez San Martin, Alvaro | 6-4,6-4 |
| Murcia, Singles Qualifying M-ITF-ESP-05A | 2020/03/07 12:25 | Lopez San Martin, Alvaro v Pedro Cachin | 6-3,4-6,4-6 |
| Murcia, Singles Qualifying M-ITF-ESP-05A | 2020/03/06 15:00 | Lopez San Martin, Alvaro v Roumane, Rayane | 6-2,6-2 |
| Murcia, Singles Qualifying M-ITF-ESP-05A | 2020/03/05 15:55 | Javier Barranco Cosano v Lopez San Martin, Alvaro | 4-6,3-6 |
| Murcia, Singles Qualifying M-ITF-ESP-05A | 2020/03/04 10:50 | Jorge Martinez Martinez v Lopez San Martin, Alvaro | 4-6,6-3,3-6 |
| Paguera, Singles M-ITF-ESP-04A | 2020/02/19 09:00 | Lopez San Martin, Alvaro v Andrews, Max | 3-6,6-1,3-6 |
| ITF M15 Palmanova | 2020/02/14 09:00 | Sebastian Baez v Lopez San Martin, Alvaro | 7-6,6-1 |
| ITF M15 Benicarlo | 2020/11/23 14:30 | Hasenkopf, Mariano Alberto v Sergi Perez Contri | 7-6,6-4 |
| ITF M15 Benicarlo | 2020/11/23 09:30 | Benjamin Winter Lopez v Hasenkopf, Mariano Alberto | 6-3,6-7,9-11 |
| ITF M15 Benicarlo | 2020/11/22 08:30 | Hasenkopf, Mariano Alberto v Mansilla Diez, Mario | 6-7,6-1,10-7 |
| ITF - M15 Antalya | 2020/02/18 07:00 | Luka Pavlovic v Hasenkopf, Mariano Alberto | 6-4,6-3 |
| ITF - M15 Antalya | 2020/02/17 09:30 | Hasenkopf, Mariano Alberto v Rogic Hadzalic, Alen | 6-4,6-4 |
| ITF - M15 Antalya | 2020/02/13 12:30 | Max Houkes v Hasenkopf, Mariano Alberto | 7-5,6-2 |
| ITF - M15 Antalya | 2020/02/13 07:30 | Hasenkopf, Mariano Alberto v Taiyo Yamanaka | 6-3,6-4 |
| ITF - M15 Sharm El Sheikh | 2019/11/21 08:00 | Ryan Nijboer v Hasenkopf, Mariano Alberto | 6-3,6-2 |