Stadium: Court 6 Round: 44 Ground: Clay
| ITF M25 Jablonec Nad Nisou | 2023/05/28 09:00 | Leon Formella v Jiri Jenicek | 2-6,3-6 |
| ITF M25 Most | 2023/05/22 08:00 | Michael Agwi v Leon Formella | 6-2,6-0 |
| ITF M25 Most | 2023/05/21 08:00 | Leon Formella v Artem Mazur | 6-3,6-2 |
| ITF M15 Krsko | 2023/05/15 12:30 | Federico Campana v Leon Formella | 6-2,6-0 |
| ITF M15 Osijek | 2023/04/30 09:30 | Leon Formella v Nik Mikovic | 6-2,3-6,3-10 |
| ITF M15 Meerbusch | 2023/04/24 13:30 | Leon Formella v Michael Agwi | 5-7,2-6 |
| ITF M25 Opatija | 2023/03/19 08:00 | Leon Formella v Stefano D'Agostino | 4-6,2-6 |
| ITF M15 Porec | 2023/03/05 13:00 | Leon Formella v Antonio Massara | 0-6,0-6 |
| ITF M15 Tanger | 2023/06/05 12:00 | Laurent Julia Calac v Juan Estevez | 0-6,1-6 |
| ITF M25 Mataro | 2023/05/23 09:25 | Adolfo Daniel Vallejo v Laurent Julia Calac | 7-5,6-1 |
| ITF M25 Mataro | 2023/05/22 13:00 | Rafael Mazon-Hernandez v Laurent Julia Calac | 4-6,3-6 |
| ITF M25 Mataro | 2023/05/21 09:00 | Laurent Julia Calac v Damian Frutos | 7-5,6-3 |
| ITF M25 Gurb | 2023/05/14 07:00 | Laurent Julia Calac v Kyle Overmyer | 2-6,4-6 |