Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Wimbledon, London, Great Britain | 2021/06/22 12:55 | Roberto Cid Subervi v Marc-Andrea Huesler | 6-7,6-4,1-6 |
| Orlando, USA | 2021/06/09 14:00 | Roberto Cid Subervi v Riffice, Sam | 2-6,2-6 |
| Challenger - Little Rock | 2021/05/31 18:00 | Roberto Cid Subervi v Mukund Sasikumar | 3-6,4-6 |
| Open de France | 2021/05/25 09:30 | Francisco Cerundolo v Roberto Cid Subervi | 6-2,7-6 |
| Challenger Biella | 2021/05/18 10:05 | Roberto Cid Subervi v Riccardo Bonadio | 5-7,3-6 |
| Challenger Salinas 2 | 2021/04/27 18:00 | Velotti, Agustin v Roberto Cid Subervi | 5-7,6-4,7-6 |
| Challenger - Tallahassee | 2021/04/20 14:00 | Roberto Cid Subervi v Joao Menezes | 5-7,4-6 |
| Orlando, USA | 2021/04/17 16:50 | Denis Kudla v Roberto Cid Subervi | 2-6,6-2,6-2 |
| ATP Mallorca | 2021/06/19 16:30 | Viola, Matteo v Joao Sousa | 4-6,4-6 |
| Challenger - Aix en Provence | 2021/06/15 16:25 | Elias Ymer v Viola, Matteo | 6-4,7-6 |
| Challenger - Nottingham | 2021/06/06 18:30 | Igor Sijsling v Viola, Matteo | 6-7,6-1,6-0 |
| ATP Parma | 2021/05/23 12:55 | Ymer, Mikael v Viola, Matteo | 6-4,3-6,6-0 |
| ATP Parma | 2021/05/22 12:50 | Evgeny Karlovskiy v Viola, Matteo | 5-7,7-5,5-7 |
| Challenger Biella | 2021/05/17 14:55 | Viola, Matteo v Alexandre Muller | 6-4,3-6,1-6 |
| Challenger - Zagreb | 2021/05/09 11:10 | Emilio Gomez v Viola, Matteo | 7-5,6-7,6-1 |
| Challenger Biella | 2021/05/03 08:30 | Maximilian Marterer v Viola, Matteo | 6-3,7-5 |