Stadium: CAMPO CITTA DI FORLI Round: 26 Ground: Clay
| Challenger Forli | 2021/12/07 10:25 | Matteo Viola v Lukáš Rosol | 7-6,4-6,7-5 |
| Challenger Forli | 2021/12/02 17:30 | Matteo Viola v Maxime Cressy | 4-6,4-6 |
| Challenger Forli | 2021/11/30 17:05 | Matteo Viola v Yannick Maden | 1-6,6-4,6-4 |
| Challenger Manama | 2021/11/25 13:25 | Matteo Viola v Jay Clarke | 2-6,1-6 |
| Challenger Manama | 2021/11/23 08:00 | Matteo Viola v Yu Hsiou Hsu | 6-4,7-5 |
| Challenger Ortisei | 2021/11/09 13:05 | Dominic Stephan Stricker v Matteo Viola | 6-4,3-6,7-5 |
| Challenger Alicante | 2021/10/12 15:25 | Joao Sousa v Matteo Viola | 6-1,7-6 |
| ATP Indian Wells | 2021/10/06 22:00 | Roberto Marcora v Matteo Viola | 6-2,7-5 |
| Challenger Forli | 2021/12/07 17:30 | Aldin Setkic v Federico Gaio | 7-5,6-2 |
| Challenger Forli | 2021/11/30 11:00 | Aldin Setkic v Lukáš Rosol | 3-6,4-6 |
| Challenger Forli | 2021/11/29 10:50 | Aldin Setkic v Georgii Kravchenko | 7-6,6-4 |
| Challenger Ortisei | 2021/11/08 11:15 | Alexander Cozbinov v Aldin Setkic | 6-3,3-6,7-6 |
| Challenger Ortisei | 2021/11/07 15:10 | Patric Prinoth v Aldin Setkic | 1-6,2-6 |
| Challenger Eckental | 2021/11/03 09:10 | Ramkumar Ramanathan v Aldin Setkic | 7-6,4-6,6-3 |
| Challenger Eckental | 2021/10/31 10:00 | Aldin Setkic v Christopher Heyman | 4-6,5-7 |
| Challenger Lošinj | 2021/10/20 08:00 | Aldin Setkic v Mathias Bourgue | 0-6,2-6 |