Stadium: Center Court Round: 62 Ground: Hardcourt outdoor
| ITF M25 Heraklion | 2023/11/08 14:15 | Sergis Kyratzis v Sasa Markovic | 4-6,3-6 |
| ITF M25 Heraklion | 2023/11/07 07:30 | Sergis Kyratzis v Dimitris Sakellaridis | 4-6,6-4,10-4 |
| ITF M25 Heraklion | 2023/11/06 09:00 | Sergis Kyratzis v Glauco Pinheiro Da Cruz Junior | 6-1,6-1 |
| ITF M15 Sofia | 2023/07/06 09:35 | Marvin Moeller v Sergis Kyratzis | 6-3,6-1 |
| ITF M15 Sofia | 2023/07/03 14:30 | Sergis Kyratzis v Alessandro Ingarao | 3-6,0-6 |
| ITF M15 Sofia | 2023/07/03 09:30 | Sergis Kyratzis v Simeon Latinchev | 6-2,6-4 |
| ITF M15 Alaminos-Larnaca | 2023/05/12 08:00 | Sergis Kyratzis v Sebastian Prechtel | 4-6,2-6 |
| ITF M15 Alaminos-Larnaca | 2023/05/11 08:00 | Sergis Kyratzis v Liam Gavrielides | 3-6,6-3,6-4 |
| ITF M25 Heraklion | 2023/11/06 07:00 | Thomas Kostka v Adam Heinonen | 6-7,2-6 |
| ITF M25 Heraklion | 2023/11/05 09:00 | Dario Drebenstedt v Thomas Kostka | 2-6,0-6 |
| ITF M15 Heraklion | 2023/10/23 10:30 | Thomas Kostka v Andrew Fenty | 5-7,6-4,9-11 |
| ITF M15 Heraklion | 2023/10/22 09:30 | Thomas Kostka v Ighor Halmenschlager Reis | 6-3,6-1 |
| ITF M15 Heraklion | 2023/10/18 09:25 | Benjamin Pietri v Thomas Kostka | 6-3,6-2 |
| ITF M15 Heraklion | 2023/10/16 09:00 | Gian Luca Tanner v Thomas Kostka | 6-3,1-6,8-10 |
| ITF M15 Heraklion | 2023/10/15 08:30 | Evangelos Kypriotis v Thomas Kostka | 2-6,1-6 |
| ITF M25 Grasse | 2023/06/11 08:30 | Theo Herrmann v Thomas Kostka | 6-2,6-4 |