Stadium: Court 2 Round: 44 Ground: Clay
| 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 |
| Polish National Tour | 2020/07/16 13:05 | Mateusz Terczynski v Kamil Majchrzak | 1-6,1-6 |
| Polish National Tour | 2020/07/07 10:30 | Mateusz Terczynski v Maciej Rajski | 0-6,0-6 |
| Marbello Cup Exhibition Series | 2020/06/05 07:00 | Mateusz Terczynski v Michal Dembek | 0-6,1-6 |
| Marbello Cup Exhibition Series | 2020/06/04 10:35 | Mateusz Terczynski v Michal Dembek | 2-6,0-6 |
| Marbello Cup Exhibition Series | 2020/06/03 16:10 | Mateusz Terczynski v Filip Kolasinski | 2-6,6-7 |
| Marbello Cup Exhibition Series | 2020/06/03 07:00 | Daniel Michalski v Mateusz Terczynski | 6-0,3-6,10-6 |
| Marbello Cup Exhibition Series | 2020/06/02 15:15 | Maciej Rajski v Mateusz Terczynski | 4-6,6-4,10-4 |
| Marbello Cup Exhibition Series | 2020/06/02 07:00 | Jan Zielinski v Mateusz Terczynski | 4-6,6-3,10-6 |