| ITF Lithuania F1 | 2014/07/26 11:00 | Dembek, Michal v Terczynski, Mateusz | 6-2,3-6,6-1 |
| Marbello Cup Exhibition Series | 2020/06/03 16:10 | Terczynski, Mateusz v Kolasinski, Filip | 2-6,6-7 |
| Marbello Cup Exhibition Series | 2020/06/03 07:00 | Daniel Michalski v Terczynski, Mateusz | 6-0,3-6,10-6 |
| Marbello Cup Exhibition Series | 2020/06/02 15:15 | Maciej Rajski v Terczynski, Mateusz | 4-6,6-4,10-4 |
| Marbello Cup Exhibition Series | 2020/06/02 07:00 | Zielinski, Jan v Terczynski, Mateusz | 4-6,6-3,10-6 |
| Marbello Cup Exhibition Series | 2020/05/23 07:30 | Adamek, Makary v Terczynski, Mateusz | 2-6,5-7 |
| Marbello Cup Exhibition Series | 2020/05/22 11:05 | Terczynski, Mateusz v Adamek, Makary | 4-6,6-2,5-10 |
| Marbello Cup Exhibition Series | 2020/05/21 13:50 | Terczynski, Mateusz v Wojcik, Yann | 4-6,3-6 |
| Marbello Cup Exhibition Series | 2020/05/21 11:00 | Terczynski, Mateusz v Galka, Jan | 2-6,3-6 |
| Marbello Cup Exhibition Series | 2020/06/03 13:05 | Daniel Michalski v Dembek, Michal | 7-6,6-0 |
| Marbello Cup Exhibition Series | 2020/06/03 08:50 | Zielinski, Jan v Dembek, Michal | 7-6,5-7,10-4 |
| Marbello Cup Exhibition Series | 2020/06/02 17:15 | Dembek, Michal v Kolasinski, Filip | 4-6,6-2,10-7 |
| Marbello Cup Exhibition Series | 2020/06/02 11:15 | Maciej Rajski v Dembek, Michal | 6-3,3-6,17-15 |
| ITF M15 Loule | 2020/03/10 11:35 | Turchetti, Nicolo v Dembek, Michal | 6-4,4-6,6-4 |
| ITF M15 Faro | 2020/03/04 10:00 | Mertens, Yannick v Dembek, Michal | 6-2,7-5 |
| ITF - M15 Héraklion | 2020/02/12 09:30 | Dembek, Michal v Petros Tsitsipas | 7-5,2-6,6-7 |
| ITF - M15 Antalya | 2019/12/17 07:00 | Dembek, Michal v Nedelko, Ivan | 7-6,5-7,2-6 |