Stadium: Court 2 Round: 25 Ground: Hardcourt indoor
| Challenger Ismaning | 2023/11/01 14:05 | Marko Topo v Oscar Otte | 7-6,3-6,6-7 |
| Challenger Hamburg | 2023/10/16 17:10 | Dennis Novak v Marko Topo | 7-6,6-1 |
| Challenger Bratislava | 2023/10/08 15:10 | Marko Topo v Kacper Zuk | 5-7,6-7 |
| ITF M25 Zlatibor | 2023/09/30 10:05 | Valentin Vacherot v Marko Topo | 6-1,7-5 |
| ITF M25 Zlatibor | 2023/09/29 13:30 | Marko Topo v Vladyslav Orlov | 6-1,6-2 |
| ITF M25 Zlatibor | 2023/09/29 09:20 | Marko Topo v Zoran Ludoski | 6-3,6-4 |
| ITF M25 Zlatibor | 2023/09/28 11:05 | Marko Topo v Nikola Basic | 6-1,6-4 |
| ITF M25 Maribor | 2023/09/07 10:20 | Bor Artnak v Marko Topo | 6-1,6-2 |
| ITF M25 Trnava | 2023/11/07 10:35 | Sander Jong v Arslanbek Aitkulov | 6-1,6-1 |
| ITF M25 Trnava | 2023/11/06 14:00 | Sander Jong v Janos Fekete | 6-3,6-3 |
| ITF M25 Sunderland | 2023/11/03 13:10 | Tibo Colson v Sander Jong | 7-5,6-4 |
| ITF M25 Sunderland | 2023/11/02 11:50 | Sander Jong v Akira Santillan | 3-6,6-4,6-0 |
| ITF M25 Sunderland | 2023/11/01 10:00 | Luca Castelnuovo v Sander Jong | 1-6,4-6 |
| ITF M15 Vigo | 2023/10/11 19:15 | Sander Jong v Jorge Martinez Martinez | 2-6,4-6 |
| ITF M25 Santa Margherita | 2023/09/27 10:15 | Sander Jong v Enrico Dalla Valle | 3-6,6-3,1-6 |
| ITF M25 Santa Margherita | 2023/09/26 10:50 | Sander Jong v Gabriele Pennaforti | 6-4,3-6,6-3 |