Stadium: Court 2 Opatija Round: 25 Ground: Clay
| ITF M15 Rovinj | 2021/03/17 10:00 | Pietro Rondoni v Admir Kalender | 7-5,6-4 |
| ITF M15 Porec | 2021/03/10 10:20 | Admir Kalender v Pavel Nejedly | 2-6,1-6 |
| ITF M15 Antalya | 2021/02/03 06:30 | Admir Kalender v Gabriele Maria Noce | 3-6,7-6,8-10 |
| ITF M15 Antalya | 2021/02/02 10:00 | Alexander Weis v Admir Kalender | 3-6,6-7 |
| ITF M15 Antalya | 2021/01/28 08:00 | Admir Kalender v Jordan Hasson | 6-7,6-4,9-11 |
| ITF M15 Antalya | 2021/01/19 06:30 | Georgii Kravchenko v Admir Kalender | 7-5,6-3 |
| ITF M15 Antalya | 2021/01/18 07:00 | Admir Kalender v Dostanbek Tashbulatov | 6-3,6-1 |
| ITF M15 Antalya | 2021/01/17 09:00 | Admir Kalender v Alexandr Binda | 5-7,7-5,11-9 |
| ITF M15 Rovinj | 2021/03/15 16:05 | Davide Galoppini v Luka Pavlovic | 2-6,6-7 |
| ITF M15 Rovinj | 2021/03/15 09:30 | Davide Galoppini v Milos Vukovic | 6-2,6-0 |
| ITF M15 Porec | 2021/03/11 09:00 | Pietro Rondoni v Davide Galoppini | 6-4,6-3 |
| ITF M15 Porec | 2021/03/09 12:30 | Davide Galoppini v Andrea Basso | 6-2,6-2 |
| ITF M15 Antalya | 2021/02/18 11:00 | Davide Galoppini v Oleksii Krutykh | 1-6,6-4,5-7 |
| ITF M15 Antalya | 2021/02/16 07:00 | Nicolas Mejia v Davide Galoppini | 4-6,3-6 |
| ITF M15 Antalya | 2021/02/09 07:00 | Timo Legout v Davide Galoppini | 7-5,6-4 |
| ITF M15 Antalya | 2021/02/08 07:00 | Dan Alexandru Tomescu v Davide Galoppini | 6-1,1-6,4-10 |