Stadium: Court 8 Round: 44 Ground: Clay
| Challenger Forli | 2021/06/13 11:15 | Michele Vianello v Luca Vanni | 3-6,4-6 |
| ITF M15 Skopje | 2021/06/07 08:00 | Aziz Ouakaa v Michele Vianello | 3-6,6-4,10-6 |
| ITF M15 Skopje | 2021/06/06 07:30 | Samuel Puskar v Michele Vianello | 6-4,0-6,6-10 |
| ITF M15 Sarajevo | 2021/06/01 09:00 | Domagoj Biljesko v Michele Vianello | 6-3,6-4 |
| ITF M15 Sarajevo | 2021/05/30 07:30 | Michele Vianello v Lukas Palovic | 7-5,6-4 |
| ITF M15 București | 2021/05/23 10:30 | Valentin Royer v Michele Vianello | 6-2,6-1 |
| ITF M15 Cairo | 2021/05/02 09:00 | Michele Vianello v Niccolo Catini | 2-6,1-6 |
| ITF M15 Cairo | 2021/04/25 07:30 | Rimpei Kawakami v Michele Vianello | 6-2,6-4 |
| ITF M25 Velenje | 2021/07/04 07:30 | Inaki Cabrera Bello v Dusan Rajic | 1-6,4-6 |
| ITF M25 Beograd | 2021/06/28 07:00 | Edoardo Lavagno v Dusan Rajic | 6-1,6-2 |
| ITF M25 Beograd | 2021/06/27 07:00 | Dusan Rajic v Ivan Mikhaylyuk | 2-6,6-0,12-10 |
| ITF M15 Brcko | 2021/05/21 13:05 | Dusan Rajic v Eric Vanshelboim | 3-6,1-6 |
| ITF M15 Brcko | 2021/05/21 07:35 | Kristjan Tamm v Dusan Rajic | 4-6,5-7 |
| ITF M15 Brcko | 2021/05/18 12:00 | Lazar Milicevic v Dusan Rajic | 7-6,6-4 |
| ITF M15 Brcko | 2021/05/18 07:00 | Valentin Lapalu v Dusan Rajic | 1-6,6-3,6-10 |
| ITF M15 Brcko | 2021/05/16 08:15 | Preston Connor v Dusan Rajic | 3-6,0-6 |