| US Open | 09/05 15:05 | 25 | Tomas Berdych v Guillermo Garcia-Lopez | 6-7,7-6,6-3,6-3 | |
| US Open | 09/03 18:50 | 24 | Nicolas Mahut v Guillermo Garcia-Lopez | 4-6,2-6,7-6,1-6 | |
| US Open | 09/01 19:40 | 23 | Janko Tipsarevic v Guillermo Garcia-Lopez | 6-7,6-4,6-4,3-6,1-6 | |
| ATP Hamburg | 07/28 11:05 | 25 | Jaume Munar v Guillermo Garcia-Lopez | Retired | |
| Wimbledon | 06/30 14:35 | 23 | Pablo Andujar v Guillermo Garcia-Lopez | 3-6,6-4,3-6,7-5,6-4 | |
| ATP Madrid | 05/05 13:15 | 24 | Fernando Verdasco v Guillermo Garcia-Lopez | 4-6,6-2,6-3 | |
| Challenger Casablanca | 04/09 11:55 | 26 | Guillermo Garcia-Lopez v Lamine Ouahab | 3-6,3-6 | |
| ATP Miami | 03/30 01:40 | 25 | Juan Monaco v Guillermo Garcia-Lopez | 7-5,6-4 | |
| ATP Miami | 03/27 17:10 | 24 | Jan-Lennard Struff v Guillermo Garcia-Lopez | 4-6,4-6 | |
| Challenger Shanghai | 10/07 05:00 | 24 | Gilles Simon v Guillermo Garcia-Lopez | 3-6,6-0,6-1 | |
| US Open | 08/28 15:00 | 24 | Sam Querrey v Guillermo Garcia-Lopez | 6-3,6-4,6-4 | |
| US Open | 08/26 15:00 | 23 | Yen-Hsun Lu v Guillermo Garcia-Lopez | 4-6,2-6,2-6 | |
| ATP Cincinnati | 08/12 15:00 | 24 | Guillermo Garcia-Lopez v James Ward | 2-6,6-3,1-6 | |
| ATP Hamburg | 07/16 08:30 | 25 | Leonardo Mayer v Guillermo Garcia-Lopez | 7-6,7-6 | |
| ATP Stuttgart | 07/11 09:00 | 27 | Roberto Bautista-Agut v Guillermo Garcia-Lopez | 3-6,6-4,7-6 | |
| ATP Stuttgart | 07/10 09:50 | 26 | Yann Marti v Guillermo Garcia-Lopez | 6-7,5-7 | |
| ATP Stuttgart | 07/09 15:10 | 25 | Marco Cecchinato v Guillermo Garcia-Lopez | 4-6,6-1,5-7 | |
| Wimbledon | 06/24 10:30 | 23 | Dusan Lajovic v Guillermo Garcia-Lopez | 7-6,6-2,3-6,3-6,6-3 | |
| ATP Madrid | 05/06 17:30 | 25 | Guillermo Garcia-Lopez v Kei Nishikori | 3-6,1-6 | |
| ATP Madrid | 05/04 15:20 | 24 | Guillermo Garcia-Lopez v Pablo Andujar | 6-2,2-6,6-2 | |
| Challenger Casablanca | 04/13 13:25 | 29 | Marcel Granollers v Guillermo Garcia-Lopez | 7-5,4-6,3-6 | |
| Challenger Casablanca | 04/12 14:00 | 28 | Guillermo Garcia-Lopez v Roberto Carballes Baena | 6-2,6-7,6-4 | |
| Challenger Casablanca | 04/11 15:35 | 27 | Guillermo Garcia-Lopez v Benoit Paire | 7-5,7-6 | |
| Challenger Casablanca | 04/10 11:10 | 26 | Guillermo Garcia-Lopez v Carlos Berlocq | 6-2,7-5 | |
| Challenger Casablanca | 04/09 10:00 | 25 | Guillermo Garcia-Lopez v Mikhail Kukushkin | 7-6,7-6 | |
| ATP Miami | 03/24 15:00 | 25 | Milos Raonic v Guillermo Garcia-Lopez | 6-1,6-2 | |
| ATP Miami | 03/22 18:55 | 24 | Guillermo Garcia-Lopez v Gael Monfils | 6-2,7-5 | |
| ATP Miami | 03/20 18:40 | 23 | Bradley Klahn v Guillermo Garcia-Lopez | 6-1,1-6,4-6 |