Stadium: Court 1 Round: 26 Ground: Clay
| ITF M15 Zlatibor | 2021/09/15 08:00 | Yan Bondarevskiy v Kristof Minarik | 6-1,6-4 |
| Challenger Kyiv | 2021/09/05 09:30 | Vladyslav Orlov v Yan Bondarevskiy | 7-5,6-2 |
| ITF M15 Chornomorsk | 2021/09/04 07:00 | Illya Beloborodko v Yan Bondarevskiy | 3-6,6-4,6-3 |
| ITF M15 Chornomorsk | 2021/09/03 07:00 | Yan Bondarevskiy v Julius Tverijonas | 6-2,6-3 |
| ITF M15 Chornomorsk | 2021/09/02 08:30 | Yan Bondarevskiy v Filip Pieczonka | 6-2,6-2 |
| ITF M15 Chornomorsk | 2021/09/01 07:00 | Yan Bondarevskiy v Ainius Sabaliauskas | 7-5,6-2 |
| Challenger Barletta | 2021/08/23 09:00 | Nicolas Alvarez v Yan Bondarevskiy | 6-2,3-6,7-6 |
| Challenger Barletta | 2021/08/22 12:45 | Yan Bondarevskiy v Gijs Brouwer | 6-3,6-4 |
| ITF M15 Zlatibor | 2021/09/15 12:50 | Luigi Sorrentino v Luka Kalenic | 6-1,6-0 |
| 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 |