Round: 25 Ground: Hardcourt outdoor
| ITF USA F23 Qual | 2015/07/27 13:30 | Hunter Callahan v Gerardo L Villasenor | 2-6,2-6 |
| ITF USA F23 Qual | 2015/07/26 13:30 | Warren Race v Gerardo L Villasenor | 6-0,6-3 |
| Davis Cup | 2015/07/19 15:40 | Cristian Garin v Gerardo L Villasenor | 6-2,6-1 |
| ATP Newport Qual | 2015/07/11 15:50 | Luke Saville v Gerardo L Villasenor | 3-6,6-2,6-4 |
| ITF Mexico F8 | 2015/06/24 16:20 | Gerardo L Villasenor v Ivan Endara | 5-7,1-6 |
| ITF Mexico F8 | 2015/06/23 20:00 | Gerardo L Villasenor v Robbie C Bellamy | 6-4,6-3 |
| ATP Newport Qual | 2014/07/05 15:25 | Ruben Bemelmans v Gerardo L Villasenor | 6-7,6-3,6-1 |
| ITF Mexico F6 | 2014/06/17 17:20 | Deiton Baughman v Gerardo L Villasenor | 6-2,6-4 |
| ITF USA F23 Qual | 2015/07/27 13:30 | Collin Johns v Paul Oosterbaan | 6-4,6-0 |
| ITF USA F22 | 2015/07/21 13:30 | Collin Johns v Jared Hiltzik | 5-7,4-6 |
| ITF USA F20 | 2015/06/30 16:15 | John McNally v Collin Johns | 6-7,6-1,6-0 |
| ITF Mexico F8 | 2015/06/23 17:35 | Collin Johns v Ivan Endara | 3-6,4-6 |
| ITF Mexico F7 | 2015/06/15 19:30 | Carlos Ramirez Utermann v Collin Johns | 3-6,6-2,4-6 |
| ITF Mexico F6 | 2015/06/09 15:30 | Luis Patino v Collin Johns | 6-4,3-6,6-3 |
| ITF Mexico F5 | 2015/06/03 17:40 | Collin Johns v Luis David Martinez | 6-2,4-6,3-6 |
| ITF USA F16 | 2015/05/13 13:00 | Eric Quigley v Collin Johns | 6-2,6-3 |