Stadium: Central Court Round: 27 Ground: Clay
| Challenger Szczecin | 2017/09/13 17:45 | Janowicz, Jerzy v Kenny de Schepper | 6-1,7-6 |
| Challenger Szczecin | 2017/09/12 15:00 | Janowicz, Jerzy v Duran, Guillermo | 6-4,6-1 |
| Challenger Como | 2017/08/31 08:30 | Donati, Matteo v Janowicz, Jerzy | 7-6,7-6 |
| Challenger Como | 2017/08/29 11:40 | Kamil Majchrzak v Janowicz, Jerzy | 3-6,4-6 |
| Kitzbühel, Autriche, Qualifications | 2017/07/29 10:25 | Janowicz, Jerzy v Linzer, Michael | 1-6,4-6 |
| Poznan, Poland | 2017/07/20 14:00 | Goncalo Oliveira v Janowicz, Jerzy | 5-7,6-2,6-4 |
| Poznan, Poland | 2017/07/18 14:30 | Jaume Munar v Janowicz, Jerzy | 6-7,2-6 |
| Braunchsweig, Germany | 2017/07/13 14:20 | Oscar Otte v Janowicz, Jerzy | 4-6,7-5,6-4 |
| Challenger Szczecin | 2017/09/13 18:25 | Goncalo Oliveira v Mayer, Florian (1983) | 4-6,4-6 |
| Challenger Szczecin | 2017/09/11 15:15 | Gleb Sakharov v Mayer, Florian (1983) | 7-5,1-6,2-6 |
| US Open, New York, USA | 2017/08/30 23:30 | Mayer, Florian (1983) v Marin Cilic | 3-6,3-6,3-6 |
| US Open, New York, USA | 2017/08/28 15:00 | Dutra Silva, Rogerio v Mayer, Florian (1983) | 5-7,6-0,3-6,4-6 |
| Challenger Meerbusch | 2017/08/18 14:15 | Mayer, Florian (1983) v Haider-Maurer, Andreas | 6-2,5-7,3-6 |
| Challenger Meerbusch | 2017/08/16 15:30 | Mayer, Florian (1983) v Bernabe Zapata Miralles | 1-6,7-5,6-1 |
| Challenger Meerbusch | 2017/08/14 15:30 | Mayer, Florian (1983) v Reuter, Yannik | 6-0,6-0 |
| Hamburg, Germany | 2017/07/30 13:00 | Mayer, Leonardo v Mayer, Florian (1983) | 6-4,4-6,6-3 |