Stadium: Central Court Round: 25 Ground: Clay
| Challenger Como | 2017/08/31 08:30 | Matteo Donati v Jerzy Janowicz | 7-6,7-6 |
| Challenger Como | 2017/08/29 11:40 | Kamil Majchrzak v Jerzy Janowicz | 3-6,4-6 |
| ATP Kitzbuhel Qual | 2017/07/29 10:25 | Jerzy Janowicz v Michael Linzer | 1-6,4-6 |
| Challenger Poznan | 2017/07/20 14:00 | Goncalo Oliveira v Jerzy Janowicz | 5-7,6-2,6-4 |
| Challenger Poznan | 2017/07/18 14:30 | Jaume Munar v Jerzy Janowicz | 6-7,2-6 |
| Challenger Braunschweig | 2017/07/13 14:20 | Oscar Otte v Jerzy Janowicz | 4-6,7-5,6-4 |
| Challenger Braunschweig | 2017/07/13 09:45 | Jerzy Janowicz v Gastao Elias | 6-4,7-6 |
| Challenger Braunschweig | 2017/07/11 09:00 | Uladzimir Ignatik v Jerzy Janowicz | 4-6,4-6 |
| Challenger Szczecin Qual | 2017/09/11 10:30 | Guillermo Duran v Aliaksandr Bury | 6-1,6-3 |
| Challenger Szczecin Qual | 2017/09/10 10:00 | Maxime Chazal v Guillermo Duran | 2-6,4-6 |
| Challenger Szczecin Qual | 2017/09/09 14:10 | Piotr Grynkowski v Guillermo Duran | 4-6,2-6 |
| Challenger Bordeaux Qual | 2017/05/15 08:00 | Guillermo Duran v Mackenzie McDonald | 2-6,0-6 |
| Challenger Bordeaux Qual | 2017/05/13 15:10 | Guillermo Duran v Axel Michon | 2-6,7-5,6-1 |
| Challenger Aix en Provence Qual | 2017/05/08 10:30 | Elliot Benchetrit v Guillermo Duran | 6-1,7-6 |
| Challenger Aix en Provence Qual | 2017/05/07 14:40 | Guillermo Duran v Hugo Nys | 6-2,6-1 |
| Challenger Aix en Provence Qual | 2017/05/07 08:05 | Guillermo Duran v Romain Jouan | 6-4,6-2 |