Stadium: Court 13 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Manacor | 2024/01/15 11:30 | Ron Ellouck v Thomas Kostka | 7-5,6-1 |
| ITF M15 Manacor | 2024/01/14 15:00 | Thomas Kostka v Lawrence Sciglitano | 5-7,6-3,10-4 |
| ITF M15 Heráklion | 2023/11/21 07:00 | Nazar Oliynykov v Thomas Kostka | 7-6,7-5 |
| ITF M15 Heráklion | 2023/11/20 11:00 | Thomas Kostka v Anthony Genov | 4-6,6-4,10-5 |
| ITF M15 Heráklion | 2023/11/20 07:00 | Sergo Sikharulidze v Thomas Kostka | 0-6,0-6 |
| ITF M25 Heraklion | 2023/11/12 13:00 | Sergis Kyratzis v Thomas Kostka | 7-6,6-2 |
| ITF M25 Heraklion | 2023/11/06 07:00 | Thomas Kostka v Adam Heinonen | 6-7,2-6 |
| ITF M15 Heráklion | 2023/10/23 10:30 | Thomas Kostka v Andrew Fenty | 5-7,6-4,9-11 |
| ITF M15 Manacor | 2024/01/15 11:30 | Markus Malaszszak v Josip Simundza | 3-6,4-6 |
| ITF M15 Manacor | 2024/01/07 09:45 | Andrew Fenty v Markus Malaszszak | 6-1,6-1 |
| Mistrovství Německa | 2023/12/06 14:10 | Leopold Zima v Markus Malaszszak | 6-1,6-1 |
| ITF M15 Frankfurt Nad Mohanem | 2023/08/07 08:00 | Michael Agwi v Markus Malaszszak | 6-1,6-3 |
| ITF M25 Wetzlar | 2023/08/03 07:55 | Tim Handel v Markus Malaszszak | 6-3,6-1 |
| ITF M25 Wetzlar | 2023/08/01 13:10 | Markus Malaszszak v Jeremy Schifris | 6-3,6-4 |
| ITF M15 Metzingen | 2023/07/23 07:30 | Dawid Wisniewski v Markus Malaszszak | 3-6,1-6 |
| ITF M25 Marburg | 2023/07/03 08:00 | Markus Malaszszak v Anthony Genov | 3-6,6-7 |