Stadium: Court 5 Round: 62 Ground: Clay
| ITF M15 Uslar | 2023/07/17 09:00 | Leon Formella v Jeremy Schifris | 1-6,1-6 |
| ITF M25 Grasse | 2023/06/12 07:30 | Pablo Trochu v Leon Formella | 6-1,6-0 |
| ITF M25 Grasse | 2023/06/11 10:25 | Leon Formella v Laurent Julia Calac | 6-3,7-5 |
| 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 M25 Brasov | 2023/07/02 06:30 | Markus Wunder v Louis Allen | 6-3,6-3 |
| ITF M15 Monastir | 2023/05/31 08:30 | Francois Musitelli v Louis Allen | 6-4,6-0 |
| ITF M15 Monastir | 2023/05/22 08:30 | Louis Allen v Mehdi Benchakroun | 4-6,2-6 |
| ITF M15 Monastir | 2023/05/21 10:00 | Lorenzo Lorusso v Louis Allen | 3-6,2-6 |
| ITF M15 Monastir | 2023/05/15 12:30 | Louis Allen v Max Wiskandt | 2-6,6-3,6-10 |
| ITF M15 Monastir | 2023/05/09 14:00 | Ye Cong Mo v Louis Allen | 6-4,6-2 |
| ITF M15 Monastir | 2023/05/09 09:00 | Atharva Sharma v Louis Allen | 4-6,3-6 |
| ITF M15 Monastir | 2023/04/30 12:00 | Youssef Labbene v Louis Allen | 6-2,6-4 |