| ITF M25 Weston | 01/30 15:00 | 25 | Nicolas Mejia v Lopez Villasenor, Gerardo | 6-1,3-6,6-1 | |
| Monterrey, Mexico | 10/01 20:05 | 25 | Fratangelo, Bjorn v Lopez Villasenor, Gerardo | 6-3,6-2 | |
| Coupe Davis | 09/16 15:05 | 29 | Cuevas, Pablo v Lopez Villasenor, Gerardo | 1-6,7-6,6-3 | |
| ITF Canada F4 | 06/26 18:50 | 25 | Douglas, Jake v Lopez Villasenor, Gerardo | 6-4,4-6,7-6 | |
| ITF Canada F3 | 06/21 19:45 | 26 | Lopez Villasenor, Gerardo v C. Oosterbaan, Paul | 6-7,6-7 | |
| ITF Canada F3 | 06/19 18:20 | 25 | Lopez Villasenor, Gerardo v Scott, Harrison | 1-6,6-3,7-5 | |
| ITF Mexico F3 | 05/23 20:00 | 26 | Diaz-Figueroa, Christopher v Lopez Villasenor, Gerardo | Retired | |
| ITF Mexico F3 | 05/22 20:00 | 25 | Urquidi, Mario v Lopez Villasenor, Gerardo | 0-6,3-6 | |
| ITF Mexico F2 | 05/20 16:00 | 29 | Lopez Villasenor, Gerardo v Harrison Adams | 6-4,6-2 | |
| ITF Mexico F2 | 05/19 18:25 | 28 | Olivares, Jose v Lopez Villasenor, Gerardo | 6-7,1-6 | |
| ITF Mexico F2 | 05/19 00:00 | 27 | Lopez Villasenor, Gerardo v Shropshire, Samuel | Retired | |
| ITF Mexico F2 | 05/17 19:55 | 26 | Lopez Villasenor, Gerardo v Panta Herreros, Jorge Brian | 6-3,6-4 | |
| ITF Mexico F2 | 05/15 22:30 | 25 | Mantilla, Felipe v Lopez Villasenor, Gerardo | 6-4,5-7,6-7 | |
| ITF Mexico F1 | 05/08 22:30 | 25 | Lopez Villasenor, Gerardo v Emilio Gomez | 7-6,6-7,4-6 | |
| Puerto Vallarta, Mexico | 05/02 01:00 | 25 | Sarkissian, Alexander v Lopez Villasenor, Gerardo | 2-6,6-3,6-4 | |
| Challenger Guadalajara | 04/17 19:40 | 25 | Lopez Villasenor, Gerardo v Christopher Eubanks | 1-6,6-3,6-7 | |
| Coupe Davis | 04/08 21:20 | 28 | Lopez Villasenor, Gerardo v Nicolas Alvarez | Cancelled | |
| Coupe Davis | 04/07 17:00 | 28 | Lopez Villasenor, Gerardo v Varillas, Juan Pablo | 6-4,7-6 | |
| Challenger - San Luis Potosí | 03/27 18:00 | 25 | Lopez Villasenor, Gerardo v Krstin, Pedja | 2-6,3-6 | |
| Challenger - Morelos | 02/22 00:40 | 26 | Lopez Villasenor, Gerardo v King, Kevin | 1-6,1-6 | |
| Challenger - Morelos | 02/20 20:35 | 25 | Vilella Martinez, Mario v Lopez Villasenor, Gerardo | 4-6,6-4,4-6 | |
| Challenger Morelos Qual | 02/18 18:40 | 54 | Lopez Villasenor, Gerardo v Song, Evan | 1-6,6-3,6-4 | |
| Challenger Morelos Qual | 02/17 20:00 | 46 | Aragone, JC v Lopez Villasenor, Gerardo | 6-7,6-1,5-7 | |
| Challenger Morelos Qual | 02/17 15:00 | 45 | Lopez Villasenor, Gerardo v Schnur, Max Jacob | 6-3,7-6 | |
| ITF USA F26 | 08/01 16:35 | 25 | Gojo, Borna v Lopez Villasenor, Gerardo | 2-6,6-3,6-4 | |
| USA F26, Singles Qualifying | 07/31 16:25 | 62 | Rowland Phillips v Lopez Villasenor, Gerardo | 1-6,1-6 | |
| USA F26, Singles Qualifying | 07/30 16:30 | 62 | Lopez Villasenor, Gerardo v Jaycer Lyeons | 6-1,0-6,6-2 | |
| ITF USA F25 | 07/25 15:50 | 25 | Lopez Villasenor, Gerardo v Ezekiel Clark | 2-6,2-6 | |
| ITF USA F25 Qual | 07/24 16:35 | 62 | Lopez Villasenor, Gerardo v Boyer, Toby D | 6-4,6-1 | |
| ITF USA F25 Qual | 07/23 13:30 | 62 | Ross, Gianni v Lopez Villasenor, Gerardo | 4-6,0-6 |