Stadium: C2 Round: 54 Ground: Clay
| ITF M15 Eupen | 2023/08/08 08:00 | Stijn Slump v Leon Formella | 6-4,6-2 |
| ITF M15 Eupen | 2023/08/07 07:00 | Julian Peter v Leon Formella | 4-6,2-6 |
| ITF M15 Novi Sad | 2023/07/31 07:00 | Daniil Ostapenkov v Leon Formella | 6-1,6-2 |
| ITF M25 Bacau | 2023/07/23 08:30 | Leon Formella v Louis Allen | 2-6,4-6 |
| 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 M15 Frankfurt Am Main | 2023/08/07 10:00 | Mark Wallner v Giuseppe La Vela | 6-4,7-5 |
| ITF M25 Wetzlar | 2023/08/04 09:40 | Giuseppe La Vela v Buvaysar Gadamauri | 6-7,1-6 |
| ITF M25 Wetzlar | 2023/08/03 11:55 | Giuseppe La Vela v Daniel Salazar | 6-3,6-2 |
| ITF M25 Wetzlar | 2023/08/01 11:00 | Giuseppe La Vela v Gustaf Strom | 6-2,3-6,10-7 |
| ITF M25 Wetzlar | 2023/07/31 08:00 | Giuseppe La Vela v Lawrence Sciglitano | 6-3,6-1 |
| ITF M15 Metzingen | 2023/07/27 11:00 | Giuseppe La Vela v Sander Jong | 1-6,7-6,5-7 |
| ITF M15 Metzingen | 2023/07/26 12:30 | Moritz Hoffmann v Giuseppe La Vela | 2-6,3-6 |
| ITF M15 Metzingen | 2023/07/24 12:00 | Giuseppe La Vela v Mika Lipp | 6-4,6-3 |