Stadium: Court 8 Round: 62 Ground: Clay
| ITF M25 Kiseljak | 2021/05/24 12:15 | Jan Kupcic v Rrezart Cungu | 6-4,0-6,4-10 |
| ITF M25 Kiseljak | 2021/05/23 10:45 | Jan Kupcic v Max Van Wijk | 2-6,0-6 |
| ITF M15 Sibenik | 2021/05/17 11:00 | Jan Kupcic v Taiyo Yamanaka | 5-7,6-0,4-10 |
| ITF M15 Sibenik | 2021/05/16 07:30 | Benedikt Emesz v Jan Kupcic | 1-6,6-4,6-10 |
| ITF M15 Prijedor | 2021/05/10 08:00 | Rimpei Kawakami v Jan Kupcic | 6-0,7-5 |
| ITF M15 Prijedor | 2021/05/09 07:00 | Jan Kupcic v Petar Jovic | 6-2,6-0 |
| ITF M15 Sibenik | 2021/04/19 10:55 | Alen Rogic-Hadzalic v Jan Kupcic | 7-5,6-3 |
| ITF M15 Sibenik | 2021/04/18 13:00 | Jan Kupcic v Ivan Karlo Ban | 6-1,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/22 07:00 | Simone Cacciapuoti v Alberto Morolli | 1-6,7-6,10-2 |
| ITF M15 Pescara | 2021/08/15 11:30 | Alberto Morolli v Pietro Marino | 6-7,6-7 |
| ITF M15 Monastir | 2021/05/09 11:00 | Alberto Morolli v Lorenzo Ferri | 3-6,2-6 |
| ITF M15 Monastir | 2021/05/02 09:00 | Aziz Ouakaa v Alberto Morolli | 6-1,3-6,13-11 |
| ITF M15 Sharm El Sheikh | 2021/02/28 11:00 | Alberto Morolli v Daisuke Sumizawa | 3-6,1-6 |