Stadium: Court 3 Round: 25 Ground: Clay
| Challenger Manama | 2023/02/14 09:30 | Tomas Machac v Alessandro Giannessi | 6-2,2-6,6-2 |
| Challenger Tenerife | 2023/02/10 14:10 | Stefano Travaglia v Alessandro Giannessi | 6-3,6-4 |
| Challenger Tenerife | 2023/02/09 15:00 | Alessandro Giannessi v Raul Brancaccio | 6-3,6-2 |
| Challenger Tenerife | 2023/02/08 11:00 | Alessandro Giannessi v Mikhail Kukushkin | 6-4,0-6,6-3 |
| Challenger Tenerife | 2023/01/31 18:15 | Alessandro Giannessi v Matteo Arnaldi | 3-6,7-6,3-6 |
| Challenger Piracicaba | 2023/01/17 18:20 | Alessandro Giannessi v Camilo Ugo Carabelli | 4-6,6-3,1-6 |
| Challenger Tigre | 2023/01/14 16:00 | Jesper De Jong v Alessandro Giannessi | 6-4,5-7,6-1 |
| Challenger Tigre | 2023/01/13 14:30 | Mariano Navone v Alessandro Giannessi | 7-6,5-7,1-6 |
| UTR Pro Zadar | 2023/03/04 07:00 | Lucas Gerch v Domagoj Biljesko | 1-6,4-6 |
| UTR Pro Zadar | 2023/03/03 09:30 | Lucas Gerch v Janos Fekete | 6-0,6-1 |
| UTR Pro Zadar | 2023/03/02 14:25 | Lucas Gerch v Matija Samardzic | 6-4,6-3 |
| UTR Pro Zadar | 2023/03/01 07:00 | Lazar Vojinovic v Lucas Gerch | 1-6,3-6 |
| UTR Pro Zadar | 2023/02/28 12:19 | Michael Weindl v Lucas Gerch | 2-6,4-6 |
| Challenger Koblenz | 2023/01/30 17:05 | Lucas Gerch v Hugo Grenier | 2-6,2-6 |
| Challenger Tenerife | 2023/01/17 12:55 | Francesco Maestrelli v Lucas Gerch | 4-6,7-5,7-6 |
| Challenger Tenerife | 2023/01/16 11:40 | Jay Clarke v Lucas Gerch | 6-4,3-6,2-6 |