Stadium: Center Court Round: 26 Ground: Clay
| ITF M15 Arad | 2023/09/25 09:30 | Mihai Razvan Marinescu v Matei Cristian Onofrei | 6-2,6-1 |
| ITF M15 Satu Mare | 2023/09/16 06:50 | Elio Jose Ribeiro Lago v Mihai Razvan Marinescu | 6-1,6-3 |
| ITF M15 Satu Mare | 2023/09/15 06:55 | Calin Manda v Mihai Razvan Marinescu | 6-3,3-6,3-6 |
| ITF M15 Satu Mare | 2023/09/12 11:25 | Mihai Razvan Marinescu v Lautaro Agustin Falabella | 6-4,3-6,7-6 |
| ITF M15 Constanta | 2023/09/05 06:50 | Mihai Razvan Marinescu v Niccolo Ciavarella | 1-6,1-6 |
| ITF M15 Constanta | 2023/09/04 07:00 | Mihai Razvan Marinescu v Alexandru Cristian Dumitru | 6-1,6-2 |
| ITF M15 Bucharest | 2023/08/30 09:35 | Stefan Palosi v Mihai Razvan Marinescu | 7-6,6-4 |
| ITF M15 Targu Jiu | 2023/08/16 12:35 | Petr Nesterov v Mihai Razvan Marinescu | 6-4,7-5 |
| ITF M15 Arad | 2023/09/26 08:25 | Ioan Alexandru Chirita v Denis Klok | 3-6,6-4,2-6 |
| Challenger Sibiu | 2023/09/17 08:00 | Vlad Andrei Dancu v Denis Klok | 6-2,6-0 |
| Challenger Tulln | 2023/09/03 08:00 | Jonas Forejtek v Denis Klok | 6-1,6-2 |
| Challenger Banja Luka | 2023/08/07 14:00 | Eric Vanshelboim v Denis Klok | 6-3,6-0 |
| Challenger Banja Luka | 2023/08/07 11:05 | Denys Molchanov v Denis Klok | 1-6,4-6 |
| Challenger Liberec | 2023/07/31 11:00 | Federico Agustin Gomez v Denis Klok | 6-3,6-2 |
| Challenger Liberec | 2023/07/30 14:10 | Sebastian Dominko v Denis Klok | 6-7,5-7 |
| Challenger Amersfoort | 2023/07/17 09:00 | Tibo Colson v Denis Klok | 6-4,6-2 |