| ITF M15 Murcia | 03/20 12:45 | 25 | Alvaro Lopez San Martin v Dennis Uspensky | 6-3,6-2 | |
| ITF - Loule M15 | 03/10 15:00 | 29 | Alvaro Lopez San Martin v Sandro Ehrat | 2-6,4-6 | |
| ITF - Loule M15 | 03/09 15:00 | 28 | Fred Gil v Alvaro Lopez San Martin | 7-5,5-7,1-6 | |
| ITF - Loule M15 | 03/08 11:00 | 27 | Henry Craig v Alvaro Lopez San Martin | 3-6,6-7 | |
| ITF - Loule M15 | 03/07 13:15 | 26 | Benjamin Winter Lopez v Alvaro Lopez San Martin | 5-7,3-6 | |
| ITF - Loule M15 | 03/06 19:10 | 25 | Alvaro Lopez San Martin v Alejandro Gomez | 6-4,7-5 | |
| ITF - Faro M15 | 03/01 10:30 | 27 | Alvaro L S Martin v Alejandro Gomez | 7-6,5-7,5-7 | |
| ITF - Faro M15 | 02/28 10:00 | 26 | Lamine Ouahab v Alvaro L S Martin | 1-6,2-6 | |
| ITF - Faro M15 | 02/27 10:00 | 25 | Alvaro L S Martin v Constantin Schmitz | 6-4,6-0 | |
| ITF - Monastir M15 | 02/16 10:35 | 28 | Alvaro L S Martin v Christopher Heyman | 6-7,6-3,4-6 | |
| ITF - Monastir M15 | 02/15 09:40 | 27 | Adelchi Virgili v Alvaro L S Martin | 1-6,3-6 | |
| ITF - Monastir M15 | 02/14 11:05 | 26 | Kristjan Tamm v Alvaro L S Martin | 1-6,3-6 | |
| ITF - Monastir M15 | 02/13 10:50 | 25 | Erik Crepaldi v Alvaro L S Martin | 4-6,0-6 | |
| ITF - Monastir M15 | 02/08 10:00 | 27 | Jacopo Berrettini v Alvaro Lopez San Martin | 6-2,4-6,7-5 | |
| ITF - Monastir M15 | 02/07 08:00 | 26 | Samm Butler v Alvaro Lopez San Martin | 3-6,6-4,6-7 | |
| ITF - Monastir M15 | 02/06 13:00 | 25 | Pierre Delage v Alvaro Lopez San Martin | 1-6,2-6 | |
| ITF - Monastir M15 | 02/06 08:00 | 25 | Gilbert S K Junior v Alvaro Lopez San Martin | Cancelled | |
| ITF - Palmanova - M15 | 01/23 15:30 | 25 | Alvaro L S Martin v Carlos Alcaraz Garfia | 7-5,3-6,1-6 | |
| ITF - Manacor M15 | 01/12 12:30 | 28 | Sandro Ehrat v Alvaro Lopez San Martin | 6-1,6-2 | |
| ITF - Manacor M15 | 01/11 11:20 | 27 | Alvaro Lopez San Martin v Francisco Cerundolo | 6-2,6-4 | |
| ITF - Manacor M15 | 01/10 08:30 | 26 | Alvaro Lopez San Martin v Adrian Bodmer | 6-3,6-2 | |
| ITF - Manacor M15 | 01/08 14:20 | 25 | Alvaro Lopez San Martin v Adil Kalyanpur | 6-4,7-6 | |
| ITF Italy F33 | 10/23 13:55 | 25 | Alvaro L S Martin v Georg Winkler | 6-2,3-6,6-7 | |
| ITF Italy F32 | 10/20 16:10 | 28 | Stefano Baldoni v Alvaro Lopez San Martin | 6-4,4-6,6-1 | |
| ITF Italy F32 | 10/20 10:00 | 27 | Alvaro Lopez San Martin v Thiago Agustin Tirante | 6-3,7-5 | |
| ITF Italy F32 | 10/18 13:20 | 26 | [444] Andrey Chepelev v Alvaro Lopez San Martin [472] | 1-6,1-6 | |
| ITF Italy F32 | 10/15 13:45 | 25 | Alvaro Lopez San Martin v Johan Nikles | 6-4,6-4 | |
| Challenger Barcelona | 10/09 11:00 | 25 | Filippo Baldi v Alvaro Lopez San Martin | 6-2,6-0 | |
| ITF Spain F30 | 10/06 10:00 | 29 | Alvaro L S Martin v Eduard Esteve Lobato | 6-2,6-1 | |
| ITF Spain F30 | 10/05 11:40 | 28 | Alvaro L S Martin v Dante Gennaro | 6-2,6-3 |
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.