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