Stadium: Court 3 Round: 25 Ground: Clay
| ITF M25 Poznan | 2019/08/20 08:00 | Maciej Rajski v Kamil Gajewski | 6-1,6-3 |
| ITF M25 Bydgoszcz | 2019/08/14 08:00 | Mohamed Aziz Dougaz v Maciej Rajski | 6-4,7-5 |
| ITF M15 Novi Sad | 2019/08/08 08:00 | Tadeas Paroulek v Maciej Rajski | 3-6,6-3,6-2 |
| ITF M15 Novi Sad | 2019/08/06 11:30 | Tomas Jirousek v Maciej Rajski | 4-6,3-6 |
| ITF M15 Novi Sad | 2019/08/02 10:05 | Ljubomir Celebic v Maciej Rajski | 6-3,6-3 |
| ITF M15 Novi Sad | 2019/08/01 08:00 | Karlo Kranic v Maciej Rajski | 3-6,2-6 |
| ITF M15 Novi Sad | 2019/07/31 08:00 | Milan Drinic v Maciej Rajski | 2-6,6-2,2-6 |
| ITF M15 Wroclaw | 2019/07/05 10:00 | Alexey Zakharov v Maciej Rajski | 7-6,1-6,6-1 |
| ITF M15 Oldenzaal | 2019/08/17 14:35 | Jesper De Jong v Ryan Nijboer | 6-4,1-6,6-4 |
| ITF M15 Oldenzaal | 2019/08/16 09:55 | Colin Van Beem v Ryan Nijboer | 6-7,2-6 |
| ITF M15 Oldenzaal | 2019/08/15 13:50 | Herman Meeuwes Mattheo Knoop v Ryan Nijboer | 3-6,4-6 |
| ITF M15 Oldenzaal | 2019/08/14 11:15 | Tim Van Der Horst v Ryan Nijboer | 2-6,1-6 |
| Challenger Amersfoort | 2019/07/15 16:30 | Ryan Nijboer v Sebastian Fanselow | 4-6,2-6 |
| ITF M15 Marburg | 2019/07/13 12:35 | Jesper De Jong v Ryan Nijboer | 6-3,6-3 |
| ITF M15 Marburg | 2019/07/12 11:40 | Mirko Martinez v Ryan Nijboer | 3-6,1-6 |
| ITF M15 Marburg | 2019/07/11 17:50 | Yannik Steinegger v Ryan Nijboer | 6-7,1-6 |