Round: 28 Ground: Hardcourt indoor
| Challenger Prague | 2017/07/25 10:35 | Zdenek Kolar v Jozef Kovalik | 2-6,6-3,6-4 |
| Challenger Scheveningen | 2017/07/19 13:35 | Stefanos Tsitsipas v Jozef Kovalik | 7-5,6-1 |
| Challenger Scheveningen | 2017/07/18 09:00 | Daniel Brands v Jozef Kovalik | 3-6,6-7 |
| Challenger Braunschweig | 2017/07/13 12:20 | Nicola Kuhn v Jozef Kovalik | 7-6,5-7,7-6 |
| Challenger Braunschweig | 2017/07/12 09:00 | Jozef Kovalik v Marco Cecchinato | 6-2,6-4 |
| Challenger Braunschweig | 2017/07/11 13:10 | Jozef Kovalik v Thiago Monteiro | 6-3,7-6 |
| Wimbledon Qual | 2017/06/28 15:35 | Joris De Loore v Jozef Kovalik | 3-6,7-5,6-3 |
| Wimbledon Qual | 2017/06/26 14:50 | Jozef Kovalik v Roberto Carballes Baena | 7-6,6-4 |
| Challenger Tampere | 2017/07/25 12:40 | Hubert Hurkacz v Elias Ymer | 5-7,5-7 |
| Challenger Poznan | 2017/07/18 16:30 | Jonathan Eysseric v Hubert Hurkacz | 6-3,6-4 |
| Challenger Bastad | 2017/07/11 11:15 | Hubert Hurkacz v Arthur De Greef | 6-4,3-6,3-6 |
| Challenger Bastad Qual | 2017/07/09 09:45 | Hubert Hurkacz v Roberto Marcora | 6-3,6-7,6-2 |
| Challenger Bastad Qual | 2017/07/08 11:00 | Hubert Hurkacz v Soren Hess-Olesen | 6-3,6-4 |
| Challenger Fergana | 2017/06/23 11:00 | Hubert Hurkacz v Nikola Milojevic | 4-6,4-6 |
| Challenger Fergana | 2017/06/21 09:55 | Hubert Hurkacz v Daniiar Duldaev | 6-2,4-6,6-3 |
| Challenger Fergana | 2017/06/19 11:00 | Alexander Kudryavtsev v Hubert Hurkacz | 6-4,4-6,6-7 |