| ITF - M15 Sharm El Sheikh | 2020/02/17 09:00 | Trocker, Moritz v Terczynski, Mateusz | 6-4,6-3 |
| ITF - M15 Sharm El Sheikh | 2020/02/16 11:00 | Terczynski, Mateusz v Ovcharov, Alexander | 6-2,3-6,10-3 |
| ITF - M15 Sharm El Sheikh | 2020/02/09 12:00 | Terczynski, Mateusz v Khomich, Aleksei | 5-7,7-6,8-10 |
| ITF - M15 Manacor | 2020/01/12 10:00 | Ugo Blanchet v Terczynski, Mateusz | 6-4,6-3 |
| ITF - M15 Manacor | 2020/01/06 10:30 | Terczynski, Mateusz v Canas Garcia, Juan Pablo | 3-6,6-2,5-10 |
| ITF - M15 Manacor | 2020/01/05 10:30 | Terczynski, Mateusz v Brutscher, Tobias | 6-2,6-1 |
| ITF M15 Bratislava | 2019/08/26 08:00 | Barbu, Adrian v Terczynski, Mateusz | 6-2,7-5 |
| ITF M15 Bratislava | 2019/08/25 11:30 | Shcherba, Vitalii v Terczynski, Mateusz | 0-6,3-6 |
| ITF Poland F8 | 2018/08/20 10:35 | Andrzejczuk, Adrian v Mlazga, Adam | 5-7,6-3,6-2 |
| ITF Poland F8 | 2018/08/19 11:00 | Russo, Cristiano v Mlazga, Adam | 4-6,1-6 |
| ITF Poland F6 | 2018/08/07 13:10 | Maciej Rajski v Mlazga, Adam | 6-1,6-3 |
| ITF Poland F6 Qual | 2018/08/06 09:50 | Sytkow, Noe v Mlazga, Adam | 3-6,3-6 |
| ITF Poland F6 Qual | 2018/08/04 08:00 | Turnquest, Jody v Mlazga, Adam | 1-6,2-6 |
| ITF Poland F3 | 2018/05/13 07:00 | Drzewiecki, Karol v Mlazga, Adam | 6-2,6-7,6-1 |
| ITF Poland F2 | 2018/05/05 12:30 | Steinberger, Max v Mlazga, Adam | 6-4,5-7,6-3 |
| ITF Poland F1 | 2018/04/28 07:00 | Mlazga, Adam v Wojcik, Yann | 2-6,6-2,2-6 |