Estádio: Court 1 Round: 25 Ground: Clay
| ITF - M15 Bad Waltersdorf | 2021/09/01 11:35 | Filip Misolic v Luigi Sorrentino | 7-6,6-3 |
| ITF - M15 Bad Waltersdorf | 2021/08/31 07:00 | Luigi Sorrentino v Stefanos Sakellaridis | 6-0,5-7,10-7 |
| ITF - M15 Bad Waltersdorf | 2021/08/30 07:00 | Luigi Sorrentino v Rafael Kis Balazs | 6-2,6-3 |
| ITF - M15 Bad Waltersdorf | 2021/08/23 07:00 | Luigi Sorrentino v Admir Kalender | 2-6,1-6 |
| ITF - M15 Bad Waltersdorf | 2021/08/22 07:00 | Luigi Sorrentino v Matic Dimic | 4-6,7-6,10-8 |
| ITF - M15 Warmbad-Villach | 2021/08/19 07:55 | Luigi Sorrentino v Sebastian Prechtel | 4-6,6-3,1-6 |
| ITF - M15 Warmbad-Villach | 2021/08/17 10:30 | Fermin Tenti v Luigi Sorrentino | 5-7,4-6 |
| ITF - M15 Bérgamo | 2021/06/23 19:30 | Luca Potenza v Luigi Sorrentino | 6-4,0-6,2-6 |
| ITF - M15 Zlatibor | 2021/09/14 10:00 | Ali Habib v Luka Kalenic | 6-3,4-6,9-11 |
| ITF - M15 Zlatibor | 2021/09/12 10:00 | Luka Kalenic v Francesco Ferrari | 7-6,6-3 |
| ITF - M15 Novi Sad | 2021/08/01 11:15 | Luka Kalenic v Taiyo Yamanaka | 0-6,1-6 |