Round: 54 Ground: Clay
| Challenger Brescia Qual | 2016/11/12 10:55 | Mateusz Kowalczyk v Laurynas Grigelis | 6-7,2-6 |
| Challenger Szczecin | 2015/09/16 11:00 | Mateusz Kowalczyk v Marco Cecchinato | 3-6,4-6 |
| ITF Czech Republic F4 | 2014/10/23 09:30 | Andriej Kapas v Mateusz Kowalczyk | 5-7,4-6 |
| ITF Czech Republic F4 Qual | 2014/10/21 11:10 | Mateusz Kowalczyk v Dominik Recek | 6-3,6-2 |
| Challenger Szczecin | 2014/09/09 10:50 | Mateusz Kowalczyk v Adam Pavlasek | 4-6,3-6 |
| Challenger Szczecin Qual | 2014/09/08 12:30 | Bastian Wagner v Mateusz Kowalczyk | 4-6,1-6 |
| ITF Poland F6 | 2014/08/27 10:00 | Rafal Teurer v Mateusz Kowalczyk | 4-6,4-6 |
| ITF Poland F5 | 2014/08/21 13:10 | Mateusz Kowalczyk v Adrian Sikora | 1-6,6-3,6-7 |
| ITF Turkey F51 | 2016/12/20 07:30 | Alexandru Catalin Marasin v Shalva Dzhanashia | 4-6,3-6 |
| ITF Turkey F51 Qual | 2016/12/19 07:30 | Alexandru Catalin Marasin v Michal Kominek | 6-1,6-3 |
| ITF Turkey F51 Qual | 2016/12/18 06:30 | Alexandru Catalin Marasin v Ryoto Tachi | 6-4,6-0 |
| ITF Indonesia F5 | 2016/12/11 09:00 | Alexandru Catalin Marasin v Imran Aswat | 4-6,6-2,4-6 |
| ITF Czech Republic F7 | 2016/10/13 10:30 | Danylo Kalenichenko v Alexandru Catalin Marasin | 6-3,6-4 |
| ITF Czech Republic F7 | 2016/10/12 17:00 | Daniel Vrba v Alexandru Catalin Marasin | 5-7,5-7 |
| ITF Czech Republic F7 Qual | 2016/10/11 08:00 | Marius Frosa v Alexandru Catalin Marasin | 7-5,4-6,1-6 |
| ITF Czech Republic F7 Qual | 2016/10/10 08:00 | Alexandru Catalin Marasin v Marko Pasalic | 6-4,6-3 |