| ITF Spain F2 | 02/03 12:10 | 26 | Lopez San Martin, Alvaro v Giraldi Requena, Marcos | 6-3,6-1 | |
| ITF Spain F2 | 02/02 08:30 | 25 | Casper Ruud v Lopez San Martin, Alvaro | 2-6,6-3,4-6 | |
| ITF Spain F2 | 02/01 08:30 | 62 | Lopez San Martin, Alvaro v Mazon-Hernandez, Rafael | 6-2,6-1 | |
| ITF Spain F2 | 01/30 13:30 | 62 | Lopez San Martin, Alvaro v Tadas Babelis | 6-3,7-6 | |
| ITF Spain F1 | 01/29 10:00 | 27 | Steven Diez v Lopez San Martin, Alvaro | 5-7,6-0,7-5 | |
| ITF Spain F1 | 01/27 11:45 | 26 | Lopez San Martin, Alvaro v Brkic, Tomislav | 6-3,7-6 | |
| ITF Spain F1 | 01/26 15:35 | 25 | Schmid, Michal v Lopez San Martin, Alvaro | 2-6,1-6 | |
| ITF Spain F1 | 01/25 10:00 | 62 | Lopez San Martin, Alvaro v Fermosell, Jaime | 6-4,6-2 | |
| ITF Spain F1 | 01/24 13:00 | 62 | Lopez San Martin, Alvaro v Andrey Chepelev | 6-7,6-1,6-3 | |
| ITF Spain F1 | 01/23 14:30 | 62 | Lopez San Martin, Alvaro v Sebaoun, Leo Julien | 7-6,7-5 | |
| ITF France F2 | 01/21 13:30 | 26 | Lopez San Martin, Alvaro v Constant Lestienne | 3-6,3-6 | |
| ITF France F2 | 01/19 10:00 | 25 | Lopez San Martin, Alvaro v Klegou, Alexis | 7-5,3-6,6-3 | |
| ITF France F2 Qual | 01/18 10:30 | 62 | Clayton, Scott v Lopez San Martin, Alvaro | 4-6,1-6 | |
| ITF France F2 Qual | 01/17 11:55 | 62 | Nerushenko, Aleksei v Lopez San Martin, Alvaro | 4-6,2-6 | |
| ITF Spain F26 | 08/19 10:00 | 26 | Vilella Martinez, Mario v Lopez San Martin, Alvaro | 6-2,6-1 | |
| ITF Spain F26 | 08/18 10:05 | 25 | Lopez San Martin, Alvaro v Mesquida Berg, Oscar | 6-2,6-0 | |
| ITF Spain F12 | 05/10 09:30 | - | Lopez San Martin, Alvaro v Granollers, Gerard | 6-1,6-7,4-6 | |
| ITF Spain F12 | 05/09 09:00 | - | Jaume Munar v Lopez San Martin, Alvaro | 3-6,6-1,6-7 | |
| ITF Spain F12 | 05/08 09:00 | - | Reuter, Yannik v Lopez San Martin, Alvaro | 1-6,3-6 | |
| ITF Spain F12 | 05/07 09:00 | - | Lopez San Martin, Alvaro v Goncalo Oliveira | 6-2,6-0 | |
| ITF Spain F12 | 05/06 09:00 | - | Esteve Lobato, Eduard v Lopez San Martin, Alvaro | Retired | |
| ITF Spain F20 | 07/31 17:50 | - | Ojeda Lara, Ricardo v Lopez San Martin, Alvaro | 6-3,6-2 | |
| ITF Spain F20 | 07/30 17:15 | - | Lopez San Martin, Alvaro v Perez Sanz, David | 7-5,7-6 | |
| ITF Spain F20 Qual | 07/27 08:30 | - | Mancineiras Cornella, Oscar v Lopez San Martin, Alvaro | 5-7,5-7 | |
| ITF Spain F18 | 07/18 13:00 | - | de Greef, Arthur v Lopez San Martin, Alvaro | 7-6,6-3 | |
| ITF Spain F18 | 07/17 13:00 | - | Lopez San Martin, Alvaro v Mesquida Berg, Oscar | 6-2,6-4 | |
| ITF Spain F18 | 07/15 14:25 | - | Bogajo Fernandez, Fernando v Lopez San Martin, Alvaro | 6-7,4-6 | |
| ITF Spain F17 | 07/09 14:50 | - | Lopez San Martin, Alvaro v Reyes-Varela, Miguel Angel | 2-6,4-6 | |
| ITF Spain F17 Qual | 07/06 14:00 | - | Pla Malfeito, Jaume v Lopez San Martin, Alvaro | 3-6,4-6 | |
| ITF Spain F17 Qual | 07/05 13:00 | - | Lopez San Martin, Alvaro v Mesquida Berg, Oscar | Retired |
Álvaro López San Martín (Spanish pronunciation: [ˈalβaɾo ˈlopeθ sam maɾˈtin]; born 2 June 1997 in Barcelona) is a Spanish tennis player.
López San Martín won the 2015 French Open boys' doubles championship, partnering Jaume Munar.
López San Martín has a career high ATP singles ranking of 349 achieved on 30 January 2017.