| Challenger Maspalomas | 11/27 11:40 | 19 | [417] Alvaro Lopez San Martin v Svyatoslav Gulin [483] | 4-6,4-6 | |
| Challenger Maspalomas | 11/26 15:10 | 14 | Alvaro Lopez San Martin v Saul Romero Guerra | 6-0,6-1 | |
| ITF M15 Castellon | 10/19 07:30 | 26 | Alvaro Lopez San Martin v Guido Ivan Justo | 1-6,7-6,3-6 | |
| ITF M15 Castellon | 10/17 09:00 | 25 | Alvaro Lopez San Martin v Alejandro M Kretzer | 6-4,6-2 | |
| ITF M25 Zaragoza | 10/05 14:30 | 26 | Alvaro Lopez San Martin v Iliyan Radulov | 6-7,6-2,4-6 | |
| ITF M25 Zaragoza | 10/04 15:55 | 25 | Alvaro Lopez San Martin v Alejandro Juan Mano | 6-3,6-0 | |
| ITF M25 Sabadell | 09/30 09:30 | 28 | [481] Vilius Gaubas v Alvaro Lopez San Martin [351] | 6-2,6-1 | |
| ITF M25 Sabadell | 09/29 09:30 | 27 | [500] Ryan Nijboer v Alvaro Lopez San Martin [351] | 4-6,4-6 | |
| ITF M25 Sabadell | 09/28 09:00 | 26 | Teymuraz Gabashvili v Alvaro Lopez San Martin | 5-7,3-6 | |
| ITF M25 Sabadell | 09/27 08:30 | 25 | Ian L-C Tomas v Alvaro Lopez San Martin | 2-6,2-6 | |
| ITF M25 Oviedo | 08/30 08:30 | 25 | Alvaro Lopez San Martin v Sergio Callejon Hernando | Retired | |
| ITF M25 Santander | 08/24 10:00 | 27 | [341] Alvaro Lopez San Martin v Imanol L Morillo [390] | 6-7,7-6,4-6 | |
| ITF M25 Santander | 08/23 10:00 | 26 | Alvaro Lopez San Martin v Alejandro Juan Mano | 7-5,6-4 | |
| ITF M25 Santander | 08/22 09:55 | 25 | Alvaro Lopez San Martin v Tomas C Abasolo | 6-1,4-6,6-3 | |
| Challenger Cordenons | 08/08 13:25 | 25 | [317] Alvaro Lopez San Martin v Enrico Dalla Valle [390] | 2-6,4-6 | |
| Challenger Braunschweig | 07/09 14:30 | 14 | [285] Alvaro Lopez San Martin v Yanaki Milev [468] | 6-3,6-7,4-6 | |
| Challenger Troyes | 07/03 15:55 | 25 | [285] Alvaro Lopez San Martin v Mathys Erhard [374] | 6-2,1-6,4-6 | |
| ITF M25 Bakio | 06/28 14:00 | 26 | Antonio Prat v Alvaro Lopez San Martin | 6-3,4-6,6-2 | |
| ITF M25 Bakio | 06/27 17:10 | 25 | Illya Maksymchuk v Alvaro Lopez San Martin | 2-6,1-6 | |
| Challenger Blois | 06/20 10:15 | 25 | Alvaro Lopez San Martin v Calvin Hemery | 4-6,3-6 | |
| Challenger Blois | 06/20 08:00 | 25 | Alvaro Lopez San Martin v Felipe M R Alves | Cancelled | |
| Challenger Perugia | 06/15 09:00 | 26 | [292] Alvaro Lopez San Martin v Fabian Marozsan [113] | 2-6,3-6 | |
| Challenger Perugia | 06/13 09:45 | 25 | [231] Marco Trungelliti v Alvaro Lopez San Martin [292] | 4-6,6-4,6-7 | |
| Challenger Perugia | 06/12 10:10 | 19 | [292] Alvaro Lopez San Martin v Alexander Weis [323] | 6-3,6-7,6-7 | |
| Challenger Perugia | 06/11 13:20 | 45 | Alvaro Lopez San Martin v Pietro Lavoratori | 6-2,6-0 | |
| ITF M25 Cordoba | 06/09 17:45 | 27 | Alvaro L S Martin v Martin Landaluce | 6-3,0-6,5-7 | |
| ITF M25 Cordoba | 06/09 10:50 | 26 | [292] Alvaro L S Martin v Benjamin W Lopez [382] | 6-3,6-4 | |
| ITF M25 Cordoba | 06/07 11:20 | 25 | [292] Alvaro L S Martin v Gonzalo Lama [451] | 6-2,7-6 | |
| Challenger Vicenza | 05/29 10:20 | 19 | [235] Federico Gaio v Alvaro Lopez San Martin [292] | 6-4,6-4 | |
| Challenger Vicenza | 05/28 14:50 | 14 | [393] Maxime Chazal v Alvaro Lopez San Martin [292] | 2-6,6-7 |
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.