Stadion: Court 3 Round: 44 Ground: Clay
| ITF - M15 - Ulcinj | 2021/08/30 07:30 | Viktor Jovic v Leonardo Catani | 6-4,6-4 |
| ITF - M15 - Ulcinj | 2021/08/29 14:30 | Leonardo Catani v Ognjen Pavlovic | 6-2,6-2 |
| 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 - Ulcinj | 2021/08/30 07:30 | Ivan Manasov v Aleksandar Tomas | 1-6,1-6 |
| ITF - M15 - Ulcinj | 2021/08/29 11:30 | Aleksandr Kalinin v Ivan Manasov | 6-7,3-6 |
| ITF - M15 - Skopje | 2021/05/31 11:00 | Osman Torski v Ivan Manasov | 6-2,6-2 |
| ITF - M15 - Skopje | 2021/05/30 08:00 | Ivan Manasov v Tom Pisane | 5-7,7-5,10-4 |