Stadium: Court 1 Round: 25 Ground: Hardcourt indoor
| ITF M25 Skopje | 2021/10/01 08:00 | Luigi Sorrentino v Matteo Arnaldi | 3-6,1-6 |
| ITF M25 Skopje | 2021/09/29 07:30 | Luigi Sorrentino v Koray Kirci | 6-2,6-2 |
| ITF M25 Skopje | 2021/09/28 07:25 | Luigi Sorrentino v Shendrit Deari | 5-7,6-2,10-2 |
| ITF M25 Skopje | 2021/09/27 09:00 | Luigi Sorrentino v Berk Bugarikj | 6-3,6-3 |
| ITF M15 Pirot | 2021/09/23 09:30 | Calin Manda v Luigi Sorrentino | 6-3,6-1 |
| ITF M15 Pirot | 2021/09/22 08:00 | Luigi Sorrentino v Riccardo Balzerani | 6-1,7-5 |
| ITF M15 Zlatibor | 2021/09/16 09:30 | Yan Bondarevskiy v Luigi Sorrentino | 6-2,6-2 |
| ITF M15 Zlatibor | 2021/09/15 12:50 | Luigi Sorrentino v Luka Kalenic | 6-1,6-0 |
| ITF M15 Selva Gardena | 2021/10/25 12:00 | Yannik Steinegger v Dominik Langmajer | 6-1,6-4 |
| ITF M25 Hamburg | 2021/10/19 08:00 | Yannik Steinegger v Leonard Von Hindte | 3-6,3-6 |
| ITF M25 Hamburg | 2021/10/17 16:45 | Yannik Steinegger v Scott Duncan | 6-2,2-6,10-6 |
| ITF M25 Hamburg | 2021/10/17 11:30 | Yannik Steinegger v Christopher Patzanovsky | 6-3,7-6 |
| ITF M15 Sozopol | 2021/10/13 09:00 | Yannik Steinegger v Nikolay Nedelchev | 6-4,4-6,5-10 |
| ITF M15 Sozopol | 2021/10/11 10:00 | Yannik Steinegger v Ainius Sabaliauskas | 6-3,6-2 |
| ITF M15 Sozopol | 2021/10/10 13:30 | Yannik Steinegger v Sebastian Bahamondes | 6-1,6-2 |
| ITF M15 Sozopol | 2021/10/07 07:00 | Yan Bondarevskiy v Yannik Steinegger | 6-3,6-4 |