Stadium: Teremeer Court Round: 25 Ground: Clay
| French Open | 2023/05/23 11:30 | Emilio Nava v Dimitar Kuzmanov | 6-3,7-6 |
| Challenger - Francavilla | 2023/05/10 09:30 | Lorenzo Giustino v Dimitar Kuzmanov | 1-6,7-6,6-2 |
| Challenger - Francavilla | 2023/05/08 15:35 | Dalibor Svrcina v Dimitar Kuzmanov | 4-6,4-6 |
| Challenger - Praag | 2023/05/02 13:50 | Federico Gaio v Dimitar Kuzmanov | 6-4,7-6 |
| Challenger - Praag | 2023/05/01 09:45 | Dimitar Kuzmanov v Alejandro Moro Canas | 6-2,6-4 |
| Challenger - Praag | 2023/04/30 13:35 | Dimitar Kuzmanov v Guido Andreozzi | 6-1,6-3 |
| ATP - Banja Luka | 2023/04/17 11:00 | Radu Albot v Dimitar Kuzmanov | 6-3,6-3 |
| ATP - Banja Luka | 2023/04/16 10:40 | Dimitar Kuzmanov v Luca Nardi | 6-4,6-4 |
| Challenger - Troisdorf | 2023/05/29 08:30 | Sumit Nagal v Robert Strombachs | 1-6,6-7 |
| Challenger - Troisdorf | 2023/05/28 10:05 | Sumit Nagal v Sergey Fomin | 6-1,6-1 |
| Challenger Skopje | 2023/05/24 11:45 | Mate Valkusz v Sumit Nagal | 7-5,0-6,6-2 |
| Challenger Skopje | 2023/05/23 11:00 | Sumit Nagal v Benjamin Hassan | 6-1,6-3 |
| Challenger Skopje | 2023/05/22 09:00 | Sumit Nagal v Bogdan Bobrov | 6-0,6-2 |
| Challenger Skopje | 2023/05/21 10:40 | Sumit Nagal v Ramkumar Ramanathan | 6-3,6-3 |
| Challenger - Mauthausen | 2023/05/08 10:05 | Mirza Basic v Sumit Nagal | 4-6,6-1,6-2 |
| Challenger - Mauthausen | 2023/05/07 12:35 | Mats Moraing v Sumit Nagal | 0-6,6-4,4-6 |