Stadium: Grandstand Round: 26 Ground: Clay
| Challenger Zug | 2022/07/29 11:00 | Dimitar Kuzmanov v Lorenzo Giustino | 6-4,6-4 |
| Challenger Prague | 2022/05/07 09:00 | Lorenzo Giustino v Dimitar Kuzmanov | 7-6,4-6,6-2 |
| Challenger Biella | 2021/05/04 08:00 | Dimitar Kuzmanov v Lorenzo Giustino | 6-3,1-6,6-3 |
| Challenger Francavilla | 2023/05/08 14:00 | Lorenzo Giustino v Mikhail Kukushkin | 7-5,6-1 |
| Challenger Aix en Provence | 2023/05/01 11:00 | Benjamin Lock v Lorenzo Giustino | 0-6,6-4,7-5 |
| Challenger Ostrava | 2023/04/25 14:30 | Jiri Vesely v Lorenzo Giustino | 6-3,6-7,6-2 |
| ATP Barcelona | 2023/04/18 09:00 | Lorenzo Giustino v Alexander Shevchenko | 2-6,2-6 |
| ATP Barcelona | 2023/04/16 10:15 | Lorenzo Giustino v Geoffrey Blancaneaux | 6-3,1-6,7-6 |
| ATP Barcelona | 2023/04/15 08:00 | Otto Virtanen v Lorenzo Giustino | 7-6,4-6,4-6 |
| Challenger Madrid | 2023/04/12 12:25 | Andrea Collarini v Lorenzo Giustino | 6-2,3-6,6-2 |
| Challenger Madrid | 2023/04/10 13:10 | Omar Jasika v Lorenzo Giustino | 4-6,6-4,2-6 |
| Challenger Francavilla | 2023/05/08 15:35 | Dalibor Svrcina v Dimitar Kuzmanov | 4-6,4-6 |
| Challenger Prague | 2023/05/02 13:50 | Federico Gaio v Dimitar Kuzmanov | 6-4,7-6 |
| Challenger Prague | 2023/05/01 09:45 | Dimitar Kuzmanov v Alejandro Moro Canas | 6-2,6-4 |
| Challenger Prague | 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 |
| ATP Marrakech | 2023/04/04 12:50 | Dimitar Kuzmanov v Hugo Grenier | 6-3,6-4 |
| ATP Marrakech | 2023/04/03 10:30 | Hugo Grenier v Dimitar Kuzmanov | 3-6,6-4,0-6 |