Stadium: Court 14 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Heraklion | 2023/11/01 11:55 | Guy Den Ouden v Benjamin Pietri | 2-6,6-3,6-2 |
| ITF M15 Heraklion | 2023/10/27 07:00 | Guy Den Ouden v Adam Heinonen | 6-7,6-1,2-6 |
| ITF M15 Heraklion | 2023/10/25 06:30 | Guy Den Ouden v Ioannis Kountourakis | 7-5,6-4 |
| ITF M15 Heraklion | 2023/10/20 07:00 | Guy Den Ouden v Jakub Nicod | 2-6,6-7 |
| ITF M15 Heraklion | 2023/10/19 08:45 | Dax Donders v Guy Den Ouden | 6-7,5-7 |
| ITF M15 Heraklion | 2023/10/18 07:25 | Guy Den Ouden v Matthew William Donald | 6-4,6-2 |
| ITF M15 Heraklion | 2023/10/17 06:30 | Guy Den Ouden v David Quayle | 6-1,7-5 |
| ITF M15 Heraklion | 2023/10/16 07:00 | Guy Den Ouden v Hamid Reza Nadaf | 6-3,6-4 |
| ITF M25 Heraklion | 2023/11/01 07:00 | Dali Blanch v Szymon Kielan | 6-7,6-2,3-6 |
| ITF M15 Heraklion | 2023/10/26 09:20 | Valentin Royer v Szymon Kielan | 6-3,6-2 |
| ITF M15 Heraklion | 2023/10/24 09:00 | Szymon Kielan v Kevin Edengren | 6-3,6-2 |
| ITF M15 Heraklion | 2023/10/19 06:30 | Oliver Ojakaar v Szymon Kielan | 7-6,7-6 |
| ITF M15 Heraklion | 2023/10/18 06:30 | Andreas Loizas v Szymon Kielan | 1-6,2-6 |
| ITF M15 Danderyd | 2023/09/19 12:25 | Sebastian Eriksson v Szymon Kielan | 6-2,6-3 |
| Challenger Szczecin | 2023/09/10 09:45 | Steven Diez v Szymon Kielan | 6-1,7-5 |
| ITF M15 Koszalin | 2023/09/07 13:25 | Patrick Zahraj v Szymon Kielan | 7-6,6-3 |