Stadium: Center Court Round: 28 Ground: Hardcourt outdoor
| ITF - M25 Heraklion | 2023/11/10 09:55 | Harry Wendelken v Guy Den Heijer | 5-7,2-6 |
| ITF - M25 Heraklion | 2023/11/08 07:00 | Guy Den Heijer v Mattia Ricci | 6-2,6-1 |
| ITF - M25 Heraklion | 2023/11/07 07:30 | Guy Den Heijer v Simon Freund | 6-2,3-6,10-5 |
| ITF - M25 Heraklion | 2023/11/06 07:00 | Guy Den Heijer v Evangelos Kypriotis | 6-1,7-5 |
| ITF - M25 Heraklion | 2023/11/03 10:20 | Guy Den Heijer v Enrico Dalla Valle | 2-6,1-6 |
| ITF - M25 Heraklion | 2023/11/02 08:00 | Guy Den Heijer v Marlon Vankan | 6-3,7-5 |
| ITF - M25 Heraklion | 2023/11/01 12:00 | Stefanos Sakellaridis v Guy Den Heijer | 7-5,3-6,6-7 |
| ITF - M25 Heraklion | 2023/10/31 07:00 | Guy Den Heijer v Joshua Charlton | 6-4,7-5 |
| ITF - M25 Heraklion | 2023/11/10 08:00 | Cezar Cretu v Sidane Pontjodikromo | 6-4,6-2 |
| ITF - M25 Heraklion | 2023/11/09 07:30 | Cezar Cretu v Stylianos Christodoulou | 6-1,7-6 |
| ITF - M25 Heraklion | 2023/11/08 06:55 | Cezar Cretu v Ofek Shimanov | 6-3,4-6,6-4 |
| ITF - M25 Heraklion | 2023/10/31 10:20 | Cezar Cretu v Niels Visker | 4-6,5-7 |
| ITF - M15 Heraklion | 2023/10/26 07:00 | Gabriel Decamps v Cezar Cretu | 7-5,7-5 |
| ITF - M15 Heraklion | 2023/10/24 13:05 | Zelimir Rudan v Cezar Cretu | 1-6,4-6 |
| Challenger - Sibiu | 2023/09/20 10:20 | Giovanni Fonio v Cezar Cretu | 7-6,6-3 |
| Cupa Davis | 2023/09/16 09:45 | Cezar Cretu v Tung-Lin Wu | 6-4,6-4 |