Stadium: Court 4 Round: 26 Ground: Clay
| ITF M25 Telavi | 2023/10/12 07:00 | Denis Klok v Nino Serdarusic | 3-6,4-6 |
| ITF M25 Telavi | 2023/10/11 10:45 | Ilya Snitari v Denis Klok | 2-6,7-5,4-6 |
| ITF M25 Pazardzhik | 2023/10/03 09:50 | Denis Klok v Gabriel Donev | 0-6,0-6 |
| ITF M15 Arad | 2023/09/28 08:00 | Vlad Andrei Dancu v Denis Klok | 6-4,6-4 |
| ITF M15 Arad | 2023/09/27 07:00 | Mihai Razvan Marinescu v Denis Klok | 3-6,7-6,3-6 |
| 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 |