Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 - Koszalin | 2019/08/06 14:00 | Mateusz Terczynski v Sandro Szic | 6-0,6-1 |
| ITF M15 - Vilnius | 2019/07/09 08:45 | Christoffer Solberg v Mateusz Terczynski | 6-1,3-6,10-5 |
| ITF M15 - Vilnius | 2019/07/08 07:00 | Mateusz Terczynski v Roberts Grinvalds | 7-6,6-2 |
| ITF M15 - Wroclaw | 2019/07/02 08:00 | Mateusz Terczynski v Carl Soderlund | 3-6,4-6 |
| ITF M15 - Wroclaw | 2019/07/01 08:00 | Petr Michnev v Mateusz Terczynski | 4-6,4-6 |
| ITF M15 - Alkmaar | 2019/06/25 09:00 | Andrea Bolla v Mateusz Terczynski | 7-5,4-6,10-5 |
| ITF M15 - Alkmaar | 2019/06/24 13:00 | Mateusz Terczynski v Keivon Tabrizi | 6-3,6-2 |
| ITF M15 Irpin | 2019/05/27 10:00 | Vitaliy Sachko v Mateusz Terczynski | 6-2,6-2 |
| ITF M15 - Koszalin | 2019/08/07 09:15 | Yann Wojcik v David Poljak | 6-7,4-6 |
| Challenger - Liberec | 2019/07/29 11:20 | Alex Molcan v David Poljak | 6-1,6-1 |
| ITF M15 - Telavi | 2019/07/25 06:00 | David Poljak v Dostanbek Tashbulatov | 3-6,3-6 |
| ITF M15 - Telavi | 2019/07/24 07:30 | David Poljak v Nikoloz Davlianidze | 6-3,7-6 |
| ITF M15 - Telavi | 2019/07/21 11:30 | David Poljak v Jurabek Karimov | 6-4,6-1 |
| ITF M15 - Telavi | 2019/07/20 06:00 | David Poljak v Yan Bondarevskiy | 7-6,7-5 |
| ITF M15 - Telavi | 2019/07/19 06:00 | David Poljak v George Tsivadze | 7-6,6-0 |
| ITF M15 - Telavi | 2019/07/18 06:00 | David Poljak v Mikhail Fufygin | 6-2,5-7,7-5 |