| ITF M25 Agadir | 08/03 15:55 | 25 | Nico Hornitschek v Alvaro Lopez San Martin | 4-6,7-5,2-6 | |
| ITF M25 Esch/Alzette | 07/22 13:40 | 27 | [297] Nick Hardt v Alvaro L S Martin [466] | 6-3,6-0 | |
| ITF M25 Esch/Alzette | 07/21 11:30 | 26 | [466] Alvaro L S Martin v Vladyslav Orlov [463] | 6-2,6-3 | |
| ITF M25 Esch/Alzette | 07/20 10:40 | 25 | Alvaro L S Martin v Lucas Poullain | 6-3,6-3 | |
| ITF M25 Telfs | 07/13 09:50 | 25 | Alvaro Lopez San Martin v Sandro Kopp | 6-3,6-7,2-6 | |
| ITF M25 Getxo | 07/10 08:00 | 29 | Alvaro Lopez San Martin v Alex M Pujolras | 6-4,2-6,6-4 | |
| ITF M25 Getxo | 07/09 08:55 | 28 | Alvaro Lopez San Martin v Giovanni M Perricard | 7-6,6-3 | |
| ITF M25 Getxo | 07/08 10:00 | 27 | Alvaro Lopez San Martin v Alex Martinez | 6-4,4-6,6-1 | |
| ITF M25 Getxo | 07/07 08:00 | 26 | Alvaro Lopez San Martin v Dali Blanch | 6-3,6-4 | |
| ITF M25 Getxo | 07/05 17:15 | 25 | Nicolas Alvarez Varona v Alvaro Lopez San Martin | 6-7,1-6 | |
| ITF M25 Grasse | 06/16 10:15 | 26 | [354] Yshai Oliel v Alvaro Lopez San Martin [479] | 3-6,6-4,6-0 | |
| ITF M25 Grasse | 06/15 10:25 | 25 | Alvaro Lopez San Martin v Toufik Sahtali | 6-3,6-2 | |
| ITF M15 Cordoba | 06/11 08:00 | 26 | Bruno P Navarro v Alvaro Lopez San Martin | Walkover | |
| ITF M15 Cordoba | 06/08 08:30 | 25 | Benjamin Winter Lopez v Alvaro Lopez San Martin | 4-6,0-6 | |
| ITF M25 La Nucia | 06/02 09:55 | 26 | [344] Alex Rybakov v Alvaro Lopez San Martin [486] | 6-2,3-6,6-2 | |
| ITF M25 La Nucia | 06/01 11:35 | 25 | Alvaro Lopez San Martin v Vicente O Moratalla | 5-7,6-4,6-2 | |
| ITF M25 Mataro | 05/26 11:50 | 26 | [414] Carlos Sanchez Jover v Alvaro Lopez San Martin [487] | 7-5,6-2 | |
| ITF M25 Mataro | 05/25 12:15 | 25 | [487] Alvaro Lopez San Martin v Nikolas S Izquierdo [286] | 4-6,6-4,6-4 | |
| ITF M15 Valldoreix | 05/10 11:00 | 25 | David Jorda Sanchis v Alvaro Lopez San Martin | 6-4,7-5 | |
| Challenger Mauthausen | 05/01 08:00 | 14 | [422] Alvaro Lopez San Martin v Mats Rosenkranz [380] | 4-6,2-6 | |
| ITF M25 Santa Margherita | 04/25 13:50 | 25 | Davide Galoppini v Alvaro Lopez San Martin | 6-2,6-4 | |
| ITF M25 Angers | 04/22 11:40 | 27 | [422] Alvaro Lopez San Martin v Titouan Droguet [442] | 6-4,3-6,2-6 | |
| ITF M25 Angers | 04/21 13:15 | 26 | [422] Alvaro Lopez San Martin v Kenny de Schepper [449] | 6-4,6-4 | |
| ITF M25 Angers | 04/20 13:25 | 25 | Alvaro Lopez San Martin v Hugo Pontico | 4-6,6-1,6-4 | |
| Challenger Marbella | 03/28 08:00 | 19 | [269] Lukas Klein v Alvaro Lopez San Martin [399] | 6-3,6-4 | |
| Challenger Marbella | 03/27 10:25 | 14 | [90] Sadio Doumbia v Alvaro Lopez San Martin [399] | 3-6,5-7 | |
| ITF M15 Palmanova | 03/22 11:00 | 25 | Alvaro Lopez San Martin v Peter Benjamin Privara | 2-6,3-6 | |
| ITF M15 Palmanova | 03/17 15:15 | 26 | Alvaro Lopez San Martin v Mirko Martinez | 6-2,0-6,4-6 | |
| ITF M15 Palmanova | 03/15 11:00 | 25 | Alvaro Lopez San Martin v Dorian Tremblay | 6-1,6-2 | |
| ITF M15 Benicarlo | 11/09 12:00 | 25 | Stefan Palosi v Alvaro Lopez San Martin | Cancelled |
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.