Round: 62 Ground: Clay
| ITF Romania F11 Qual | 2017/08/20 10:30 | Johns, Collin v Dina, George Iulian | 6-2,6-2 |
| ITF Romania F10 | 2017/08/16 07:00 | Luncanu, Petru-Alexandru v Johns, Collin | 6-3,7-6 |
| ITF USA F22 | 2017/06/30 14:00 | Torpegaard, Mikael v Johns, Collin | 6-2,5-7,6-1 |
| ITF USA F22 | 2017/06/28 18:05 | Bivens, Dejon v Johns, Collin | 0-6,1-6 |
| ITF USA F22 | 2017/06/26 14:00 | Johns, Collin v Cannon Kingsley | 6-2,6-2 |
| ITF USA F22 | 2017/06/25 14:00 | Johns, Collin v Liu, Yang | 6-1,6-2 |
| ITF USA F20 | 2017/06/22 21:25 | Kaichi Uchida v Johns, Collin | 4-6,7-5,6-3 |
| ITF USA F20 | 2017/06/21 19:00 | Johns, Collin v Speicher, John | 6-2,6-1 |
| ITF Romania F11 Qual | 2017/08/20 10:30 | Mandocescu, Laurentiu v Bolardt, Antonin | 3-6,6-7 |
| ITF Slovakia F3 | 2017/08/08 08:00 | Filip Duda v Bolardt, Antonin | 7-6,6-2 |
| ITF Slovakia F3 | 2017/08/07 08:00 | Nagyi, Norbert v Bolardt, Antonin | 2-6,3-6 |
| ITF Slovakia F3 | 2017/08/06 12:00 | Di Maro, Marco v Bolardt, Antonin | 6-7,6-2,5-7 |
| ITF Slovakia F2 | 2017/08/02 10:15 | Kekercheni, Filipp v Bolardt, Antonin | 6-3,6-4 |
| ITF Slovakia F2 | 2017/08/01 07:00 | Guell Bartrina, Eduard v Bolardt, Antonin | 2-6,6-4,4-6 |
| ITF Slovakia F2 | 2017/07/31 07:00 | Soukal, Martin v Bolardt, Antonin | 3-6,3-6 |
| ITF Czech Republic F6 | 2017/07/18 11:00 | Stanek, Robin v Bolardt, Antonin | 6-3,6-2 |