| ITF M15 Cancun | 06/16 15:00 | 29 | Hady Habib v Lopez Villasenor, Gerardo | 6-7,4-6 | |
| ITF M15 Cancun | 06/15 14:00 | 28 | Christian Langmo v Lopez Villasenor, Gerardo | 6-7,6-7 | |
| ITF M15 Cancun | 06/14 13:30 | 27 | Panta Herreros, Jorge Brian v Lopez Villasenor, Gerardo | 2-6,1-6 | |
| ITF M15 Cancun | 06/13 13:30 | 26 | Arimilli, Nevin v Lopez Villasenor, Gerardo | 4-6,2-6 | |
| ITF M15 Cancun | 06/12 13:30 | 25 | Brymer, Gage v Lopez Villasenor, Gerardo | 5-7,4-6 | |
| ITF M15 Cancun | 06/09 15:00 | 29 | Farren, Connor v Lopez Villasenor, Gerardo | 1-6,1-6 | |
| ITF M15 Cancun | 06/08 14:00 | 28 | Nick Hardt v Lopez Villasenor, Gerardo | 2-6,1-6 | |
| ITF M15 Cancun | 06/07 15:10 | 27 | Smith, Errol v Lopez Villasenor, Gerardo | 6-7,1-6 | |
| ITF M15 Cancun | 06/06 17:20 | 26 | Panta Herreros, Jorge Brian v Lopez Villasenor, Gerardo | 2-6,3-6 | |
| ITF M15 Cancun | 06/05 16:35 | 25 | Brymer, Gage v Lopez Villasenor, Gerardo | 3-6,2-6 | |
| ITF M15 Cancun | 05/30 15:45 | 26 | Lopez Villasenor, Gerardo v Grassi Mazzuchi, Juan Pablo | 4-6,6-0,4-6 | |
| ITF M15 Cancun | 05/28 15:55 | 25 | Lopez Villasenor, Gerardo v Finn Bass | 6-3,7-5 | |
| Puerto Vallarta, Mexico | 04/29 23:00 | 24 | Estrella Burgos, Victor v Lopez Villasenor, Gerardo | 6-1,6-2 | |
| Challenger Leon | 04/23 01:00 | 24 | Gomez-Herrera, Carlos v Lopez Villasenor, Gerardo | 6-4,6-3 | |
| Challenger - San Luis Potosí | 04/16 21:50 | 24 | Lopez Villasenor, Gerardo v Souza, Joao Olavo | 5-7,7-6,3-6 | |
| Challenger - San Luis Potosí | 04/15 16:00 | 166 | Lopez Villasenor, Gerardo v Patino, Luis | 6-3,7-6 | |
| ITF M15 Cancun | 03/29 14:00 | 27 | Hidalgo, Diego v Lopez Villasenor, Gerardo | 6-3,6-3 | |
| ITF M15 Cancun | 03/28 18:45 | 26 | Felix Corwin v Lopez Villasenor, Gerardo | 3-6,2-6 | |
| ITF M15 Cancun | 03/27 17:20 | 25 | Lopez Villasenor, Gerardo v Malla, Bastian | 6-3,6-4 | |
| ITF M15 Cancun | 03/23 14:00 | 28 | Lopez Villasenor, Gerardo v Hidalgo, Diego | 6-7,6-7 | |
| ITF M15 Cancun | 03/22 14:00 | 27 | Varillas, Juan Pablo v Lopez Villasenor, Gerardo | 0-6,4-6 | |
| ITF M15 Cancun | 03/21 19:15 | 26 | Martinez, Esdras v Lopez Villasenor, Gerardo | 0-6,0-6 | |
| ITF M15 Cancun | 03/20 16:10 | 25 | Shintaro Mochizuki v Lopez Villasenor, Gerardo | 3-6,2-6 | |
| ITF M15 Cancun | 03/15 14:40 | 27 | Naoki Nakagawa v Lopez Villasenor, Gerardo | 7-6,6-2 | |
| ITF M15 Cancun | 03/14 17:30 | 26 | Tikhomirov, Maksim v Lopez Villasenor, Gerardo | 2-6,3-6 | |
| ITF M15 Cancun | 03/13 16:20 | 25 | Cruz Vazquez, Edgar Hipolito v Lopez Villasenor, Gerardo | 0-6,0-6 | |
| ATP - Acapulco | 02/25 22:00 | 25 | Lopez Villasenor, Gerardo v Steve Johnson | 5-7,5-7 | |
| Challenger - Morelos | 02/22 02:00 | 26 | Lopez Villasenor, Gerardo v King, Evan | 4-6,2-6 | |
| Challenger - Morelos | 02/21 01:00 | 25 | Ernesto Escobedo v Lopez Villasenor, Gerardo | 6-7,3-6 | |
| Challenger - Morelos | 02/18 21:15 | 24 | Lopez Villasenor, Gerardo v Nguyen, Daniel | 6-3,6-3 |