| ATP Memphis | 02/13 19:30 | 25 | Yoshihito Nishioka v Guillermo Garcia Lopez | 6-4,6-4 | |
| ATP Montpellier | 02/06 20:15 | 25 | [84] Dustin Brown v Guillermo Garcia-Lopez [99] | 7-6,6-3 | |
| Australian Open 2017 | 01/16 01:25 | 23 | [74] Guillermo Garcia-Lopez v Mischa Zverev [50] | 3-6,6-7,4-6 | |
| ATP Auckland | 01/09 23:30 | 25 | [89] Ryan Harrison v Guillermo Garcia-Lopez [73] | 6-1,6-2 | |
| ATP Chennai | 01/03 11:35 | 25 | Aljaz Bedene v Guillermo Garcia-Lopez | 6-3,6-3 | |
| ATP Vienna | 10/25 13:45 | 25 | [76] Guillermo Garcia-Lopez v Gilles Simon [24] | 4-6,5-7 | |
| ATP Antwerp | 10/18 10:00 | 25 | Jozef Kovalik v Guillermo Garcia-Lopez | 6-3,6-3 | |
| ATP Shanghai | 10/11 05:00 | 24 | [75] Guillermo Garcia-Lopez v Paolo Lorenzi [37] | 7-5,6-7,3-6 | |
| ATP Beijing | 10/03 09:45 | 25 | [73] Guillermo Garcia-Lopez v Kyle Edmund [54] | 3-6,2-6 | |
| ATP Shenzhen | 09/27 06:00 | 25 | Ryan Harrison v Guillermo Garcia-Lopez | 7-5,6-4 | |
| ATP Metz | 09/22 12:10 | 26 | Gilles Simon v Guillermo Garcia-Lopez | 6-7,6-3,6-4 | |
| ATP Metz | 09/20 14:20 | 25 | Damir Dzumhur v Guillermo Garcia-Lopez | 7-5,2-6,1-6 | |
| US Open | 08/29 22:30 | 23 | Guillermo Garcia-Lopez v Roberto Bautista-Agut | 5-7,1-6,7-6,6-7 | |
| ATP Umag | 07/19 15:00 | 25 | Gastao Elias v Guillermo Garcia-Lopez | 6-1,6-2 | |
| ATP Hamburg | 07/15 10:40 | 27 | Guillermo Garcia-Lopez v Stephane Robert | 6-7,6-4,3-6 | |
| ATP Hamburg | 07/14 11:40 | 26 | Guillermo Garcia-Lopez v Grega Zemlja | 6-2,6-2 | |
| ATP Hamburg | 07/12 11:00 | 25 | Guillermo Garcia-Lopez v Kenny de Schepper | 5-7,6-2,7-6 | |
| Wimbledon | 06/27 13:45 | 23 | Andreas Seppi v Guillermo Garcia-Lopez | 6-2,6-4,6-0 | |
| French Open | 05/26 10:20 | 24 | Guillermo Garcia-Lopez v Dominic Thiem | 5-7,4-6,6-7 | |
| French Open | 05/24 12:05 | 23 | Thiemo De Bakker v Guillermo Garcia-Lopez | 4-6,4-6,7-5,6-7 | |
| ATP Geneva | 05/19 13:15 | 27 | Guillermo Garcia-Lopez v David Ferrer | 2-6,2-6 | |
| ATP Geneva | 05/18 11:40 | 26 | Guillermo Garcia-Lopez v Rajeev Ram | 6-4,7-6 | |
| ATP Geneva | 05/16 10:00 | 25 | Sam Querrey v Guillermo Garcia-Lopez | 6-7,4-6 | |
| ATP Madrid | 05/02 21:10 | 24 | Guillermo Garcia-Lopez v David Ferrer | 6-3,1-6,2-6 | |
| ATP Monte Carlo | 04/12 13:25 | 25 | Roger Federer v Guillermo Garcia-Lopez | 6-3,6-4 | |
| ATP Monte Carlo | 04/11 09:00 | 24 | Thomaz Bellucci v Guillermo Garcia-Lopez | 5-7,1-6 | |
| ATP Marrakech | 04/08 16:40 | 27 | Guillermo Garcia-Lopez v Jiri Vesely | 4-6,6-7 | |
| ATP Marrakech | 04/07 15:00 | 26 | Guillermo Garcia-Lopez v Nicolas Almagro | 1-6,6-3,6-4 | |
| ATP Miami | 03/25 15:00 | 24 | Guillermo Garcia-Lopez v Lucas Pouille | 2-6,4-6 | |
| Challenger Shanghai | 10/12 05:30 | 24 | Roberto Bautista-Agut v Guillermo Garcia-Lopez | 6-2,6-3 |