Stadium: Centre Court Round: 54 Ground: Clay
| ITF M15 Telde | 2024/04/14 10:00 | Thomas Kostka v Benoit Torcq | 3-6,6-4,5-10 |
| ITF M15 Manacor | 2024/01/21 10:00 | Thomas Kostka v Markus Malaszszak | 2-6,4-6 |
| 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 Heraklion | 2023/11/21 07:00 | Nazar Oliynykov v Thomas Kostka | 7-6,7-5 |
| ITF M15 Heraklion | 2023/11/20 11:00 | Thomas Kostka v Anthony Genov | 4-6,6-4,10-5 |
| ITF M15 Heraklion | 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 |