Stadium: Court 4 Round: 54 Ground: Clay
| 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 M15 Meerbusch | 2023/04/24 13:30 | Leon Formella v Michael Agwi | 5-7,2-6 |
| ITF M25 Marburg | 2023/07/03 14:30 | Tim Hammes v Jeremy Schifris | 7-5,2-6,10-3 |
| ITF M15 Celje | 2023/06/26 11:25 | Gian Marco Ortenzi v Jeremy Schifris | 6-2,6-2 |
| ITF M15 Store | 2023/06/20 10:00 | Zak Talic v Jeremy Schifris | 6-2,4-6,10-5 |
| ITF M15 Store | 2023/06/19 11:20 | Jeremy Schifris v Matic Dimic | 6-0,6-3 |
| ITF M15 Litija | 2023/06/12 11:00 | Jeremy Schifris v Benedikt Emesz | 3-6,4-6 |
| ITF M25 Rome | 2023/05/28 08:00 | Jeremy Schifris v Giuseppe La Vela | 4-6,1-6 |
| ITF M25 Most | 2023/05/23 08:00 | Daniel Paty v Jeremy Schifris | 6-2,6-3 |
| ITF M25 Most | 2023/05/22 08:00 | Christian Fellin v Jeremy Schifris | 6-3,5-7,10-12 |