Round: 25 Ground: Hardcourt outdoor
| ITF Israel F11 | 2015/09/03 07:00 | Stefano Napolitano v Collin Johns | 3-6,6-3,7-6 |
| ITF Israel F11 | 2015/09/02 07:30 | Collin Johns v Guy Michelevitz | 5-7,7-5,7-6 |
| ITF Israel F10 | 2015/08/27 08:30 | Collin Johns v Evan Song | 6-7,0-6 |
| ITF Israel F10 | 2015/08/25 07:55 | Collin Johns v Pavel Semidockih | 6-1,6-1 |
| ITF USA F23 | 2015/07/29 17:25 | Gerardo L Villasenor v Collin Johns | 6-3,6-4 |
| 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 |