| ITF Rep. Dominicana F3 | 2016/12/12 13:00 | Collin Johns v Jakub Wojcik | 6-2,6-1 |
| ITF Rumanía F12 | 2017/08/30 13:25 | Collin Johns v Franco Agamenone | 4-6,1-6 |
| ITF Rumanía F11 - Clasificación | 2017/08/21 16:00 | Collin Johns v Antonin Bolardt | 6-1,4-6,2-6 |
| ITF Rumanía F11 - Clasificación | 2017/08/20 10:30 | Collin Johns v George Iulian Dina | 6-2,6-2 |
| ITF Rumanía F10 | 2017/08/16 07:00 | Petru-Alexandru Luncanu v Collin Johns | 6-3,7-6 |
| ITF EE. UU. F22 | 2017/06/30 14:00 | Mikael Torpegaard v Collin Johns | 6-2,5-7,6-1 |
| ITF EE. UU. F22 | 2017/06/28 18:05 | Dejon Bivens v Collin Johns | 0-6,1-6 |
| ITF EE. UU. F22 | 2017/06/26 14:00 | Collin Johns v Cannon Kingsley | 6-2,6-2 |
| ITF EE. UU. F22 | 2017/06/25 14:00 | Collin Johns v Yang Liu | 6-1,6-2 |
| ITF Holanda F5 | 2017/08/12 08:00 | Jakub Wojcik v Gijs Buntsma | 6-4,0-6,3-6 |
| ITF Bélgica F6 | 2017/07/22 11:00 | Jakub Wojcik v Antoine Cornut-Chauvinc | 7-6,6-3 |
| ITF Bélgica F6 | 2017/07/22 07:00 | Julien Seurin v Jakub Wojcik | 6-7,3-6 |
| ITF Puerto Rico F1 | 2016/12/19 13:00 | Alejandro Rodriguez-Vidal v Jakub Wojcik | 0-6,6-3,6-4 |
| ITF Puerto Rico F1 | 2016/12/18 13:30 | Hector N Irizarry v Jakub Wojcik | 2-6,2-6 |
| ITF Rep. Dominicana F3 | 2016/12/12 13:00 | Collin Johns v Jakub Wojcik | 6-2,6-1 |
| ITF Rep. Dominicana F3 | 2016/12/11 14:00 | Jakub Wojcik v Tyler Mercier | 7-5,6-3 |
| ITF República Dominicana F2 | 2016/12/04 15:30 | Luis Britto v Jakub Wojcik | 3-6,6-3,6-3 |