Estadio: Grandstand Round: 25 Ground: Clay
| Challenger de Porto | 2023/08/01 14:50 | Antoine Escoffier v Lorenzo Giustino | 6-3,6-4 |
| Challenger de Pozoblanco | 2023/07/18 07:30 | Lorenzo Giustino v Edas Butvilas | 1-6,2-6 |
| Challenger Salzburg | 2023/07/10 10:30 | Lorenzo Giustino v Sandro Kopp | 0-6,2-6 |
| Challenger de Troyes | 2023/07/07 15:30 | Calvin Hemery v Lorenzo Giustino | 6-4,4-6,6-1 |
| Challenger de Troyes | 2023/07/06 11:00 | Lucas Gerch v Lorenzo Giustino | 3-6,6-3,3-6 |
| Challenger de Troyes | 2023/07/05 10:05 | Valentin Royer v Lorenzo Giustino | 4-6,4-6 |
| Challenger de Módena | 2023/06/26 17:40 | Lorenzo Giustino v Nerman Fatic | 6-7,2-6 |
| Challenger de Poznan | 2023/06/20 08:30 | Facundo Diaz Acosta v Lorenzo Giustino | 3-6,6-2,6-4 |
| Challenger de Todi | 2023/08/14 11:45 | Mathys Erhard v Felix Gill | 6-1,3-6,0-6 |
| Challenger de Todi | 2023/08/13 15:00 | Mathys Erhard v Ramkumar Ramanathan | 6-4,6-2 |
| ITF M25 Bolzano | 2023/08/05 08:55 | Mathys Erhard v Giovanni Oradini | 6-4,3-6,6-7 |
| ITF M25 Bolzano | 2023/08/04 10:35 | Mathys Erhard v Gian M Di Natale | 6-2,6-4 |
| ITF M25 Bolzano | 2023/08/03 13:00 | Mathys Erhard v Nikolay Vylegzhanin | 6-3,7-6 |
| ITF M25 Bolzano | 2023/08/02 12:40 | Mathys Erhard v Peter Buldorini | 6-4,6-2 |
| ITF M25 Bolzano | 2023/07/31 17:00 | Mathys Erhard v Nicola Rispoli | 6-2,4-6,6-0 |
| ITF M25 Kramsach | 2023/07/29 10:00 | Mathys Erhard v Kalin Ivanovski | 6-4,2-6,2-6 |