Ground: Hardcourt outdoor
| 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 Messico F8 | 2015/06/23 17:35 | Collin Johns v Ivan Endara | 3-6,4-6 |
| ITF Messico F7 | 2015/06/15 19:30 | Carlos Ramirez Utermann v Collin Johns | 3-6,6-2,4-6 |
| ITF Messico F6 | 2015/06/09 15:30 | Luis Patino v Collin Johns | 6-4,3-6,6-3 |
| ITF Messico 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 |
| ITF USA F15 | 2015/05/05 14:00 | Collin Johns v Matt Reid | 5-7,3-6 |
| ITF USA F23 - Qual. | 2015/07/26 13:30 | Paul Oosterbaan v Isaiah Strode | 7-5,6-2 |