Stadium: CENTER COURT (7) Round: 44 Ground: Clay
| ITF M15 Huy | 2021/08/23 12:45 | Niels P Van Noord v Leonardo Catani | 6-4,5-7,10-6 |
| ITF M15 Huy | 2021/08/22 10:30 | Victor Ernaelsteen v Leonardo Catani | 4-6,6-4,8-10 |
| ITF M15 Frederiksberg | 2021/08/02 12:00 | Leonardo Catani v Nikola Slavic | 2-6,2-6 |
| ITF M15 Frederiksberg | 2021/08/01 10:00 | Leonardo Catani v Marcel Marlon Sudzum | 7-6,6-2 |
| ITF M15 Vejle | 2021/07/27 17:20 | Leonardo Catani v Henrik Heise Korsgaard | 3-6,3-6 |
| ITF M15 Vejle | 2021/07/26 14:40 | Yannik Steinegger v Leonardo Catani | 5-7,6-2,10-4 |
| ITF M15 Vejle | 2021/07/25 11:00 | Pietro Schiavetti v Leonardo Catani | 2-6,0-6 |
| ITF M15 Perugia | 2021/07/18 11:30 | Leonardo Catani v Federico Bertuccioli | 4-6,2-6 |