Stadium: Grandstand Round: 27 Ground: Clay
| Challenger Oeiras | 2023/01/05 11:00 | Raphael Collignon v Lorenzo Giustino | 6-2,7-6 |
| Challenger Francavilla | 2023/05/10 09:30 | Raphael Collignon v Stefano Travaglia | 6-3,6-4 |
| Challenger Francavilla | 2023/05/08 14:00 | Raphael Collignon v Rodrigo Pacheco Mendez | 6-3,6-0 |
| Challenger Ostrava | 2023/04/25 14:05 | Raphael Collignon v Frederico Ferreira Silva | 4-6,4-6 |
| Challenger Roseto | 2023/04/23 09:00 | Filip Misolic v Raphael Collignon | 4-6,7-5,7-6 |
| Challenger Roseto | 2023/04/22 13:35 | Raphael Collignon v Nicholas David Ionel | 1-6,6-4,6-1 |
| Challenger Roseto | 2023/04/21 11:10 | Gauthier Onclin v Raphael Collignon | 7-5,4-6,2-6 |
| Challenger Roseto | 2023/04/20 13:45 | Raphael Collignon v Emilio Nava | 6-3,6-2 |
| Challenger Roseto | 2023/04/18 16:35 | Illya Marchenko v Raphael Collignon | 7-6,2-6,2-6 |
| Challenger Francavilla | 2023/05/10 09:30 | Lorenzo Giustino v Dimitar Kuzmanov | 1-6,7-6,6-2 |
| 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 |