Round: 25 Ground: Hardcourt outdoor
| ITF - Israel F12 | 2015/09/09 09:10 | Edan Leshem v Collin Johns | 6-4,6-0 |
| 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 - EUA F23 | 2015/07/29 17:25 | Gerardo L Villasenor v Collin Johns | 6-3,6-4 |
| ITF - EUA F23 - Qualificação | 2015/07/27 13:30 | Collin Johns v Paul Oosterbaan | 6-4,6-0 |
| ITF - EUA F22 | 2015/07/21 13:30 | Collin Johns v Jared Hiltzik | 5-7,4-6 |
| ITF - Alemanha F13 | 2015/08/26 09:40 | Laslo Urrutia Fuentes v Peter Heller | 7-6,6-3 |
| ITF - Alemanha F11 | 2015/08/14 12:00 | Yannick Hanfmann v Peter Heller | 3-6,6-2,6-3 |
| ITF - Alemanha F11 | 2015/08/13 12:50 | Prajnesh Gunneswaran v Peter Heller | 3-6,4-6 |
| ITF - Alemanha F11 | 2015/08/11 12:00 | Matteo Fago v Peter Heller | 3-6,2-6 |
| ITF - República Checa F4 | 2015/06/25 11:40 | Maximilian Neuchrist v Peter Heller | 6-4,6-4 |
| ITF - República Checa F4 | 2015/06/24 09:00 | Dominik Suc v Peter Heller | 2-6,6-4,2-6 |
| ITF - República Checa F4 | 2015/06/23 08:00 | Filip Brtnicky v Peter Heller | 1-6,1-6 |
| ITF - Turquia F18 | 2015/05/09 07:00 | Peter Heller v Lucas Miedler | 3-6,4-6 |