Stadium: Court 2 Round: 44 Ground: Clay
| Polish National Tour | 2020/07/30 10:00 | Filip Kolasinski v Michal Dembek | 4-6,3-6 |
| Polish National Tour | 2020/07/29 14:50 | Kamil Gajewski v Filip Kolasinski | 7-5,6-7,4-6 |
| Polish National Tour | 2020/07/25 07:00 | Filip Kolasinski v Daniel Michalski | 6-2,4-6,1-6 |
| Polish National Tour | 2020/07/24 09:00 | Karol Drzewiecki v Filip Kolasinski | 1-6,1-6 |
| Polish National Tour | 2020/07/14 16:00 | Kacper Zuk v Filip Kolasinski | 5-7,6-4,6-2 |
| Polish National Tour | 2020/06/22 08:35 | Jan Zielinski v Filip Kolasinski | 6-4,6-3 |
| Polish National Tour | 2020/06/21 14:00 | Filip Kolasinski v Wojciech Marek | 7-5,6-2 |
| Polish National Tour | 2020/06/21 08:00 | Piotr Galus v Filip Kolasinski | 6-3,4-6,1-6 |
| ITF M15 Sharm El Sheikh | 2019/11/18 08:00 | Nikolas Lahky v Pelle Boerma | 3-6,3-6 |
| ITF M15 Sharm El Sheikh | 2019/11/17 08:00 | Nikolas Lahky v Nicolo Toffanin | 6-3,6-0 |
| ITF M15 Sharm El Sheikh | 2019/11/11 10:00 | Nikolas Lahky v Yuichiro Inui | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2019/11/10 12:00 | Nikolas Lahky v Stefan Cizelj-Zivkovic | 6-1,6-4 |
| ITF M15 Opava | 2019/10/29 14:10 | Nikolas Lahky v Lucas Catarina | 2-6,1-6 |
| ITF M15 Tabarka | 2019/10/06 11:00 | Ignacio Vinas v Nikolas Lahky | 6-3,7-5 |
| ITF M15 Tabarka | 2019/10/02 08:30 | Nikolas Lahky v Marc Dijkhuizen | 3-6,5-7 |
| ITF M15 Tabarka | 2019/09/30 08:30 | Nikolas Lahky v Miguel Fernando Pereira | 2-6,6-4,10-2 |