Stadium: Center Court Round: 14 Ground: Clay
| ITF M15 Skopje | 2021/06/07 08:00 | Aziz Ouakaa v Vianello, Michele | 3-6,6-4,10-6 |
| ITF M15 Skopje | 2021/06/06 07:30 | Samuel Puskar v Vianello, Michele | 6-4,0-6,6-10 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/06/01 09:00 | Domagoj Biljesko v Vianello, Michele | 6-3,6-4 |
| Sarajevo, Singles Main, M-ITF-BIH-05A | 2021/05/30 07:30 | Vianello, Michele v Lukas Palovic | 7-5,6-4 |
| ITF - M15 Bucarest | 2021/05/23 10:30 | Valentin Royer v Vianello, Michele | 6-2,6-1 |
| ITF M15 Cairo | 2021/05/02 09:00 | Vianello, Michele v Niccolo Catini | 2-6,1-6 |
| ITF M15 Cairo | 2021/04/25 07:30 | Kawakami, Rimpei v Vianello, Michele | 6-2,6-4 |
| Sibenik, Singles M-ITF-CRO-05A | 2021/04/18 13:00 | Vianello, Michele v Schiavetti, Pietro | 7-5,5-7,13-15 |
| ITF M15 Gaiba | 2021/06/09 12:25 | Antoine Bellier v Vanni, Luca | 5-7,6-3,6-2 |
| Challenger Biella | 2021/05/31 11:05 | Vanni, Luca v Camilo Ugo Carabelli | 2-6,2-6 |
| Challenger Biella | 2021/05/30 12:00 | Evgeny Karlovskiy v Vanni, Luca | 3-6,1-6 |
| Challenger Biella | 2021/05/17 08:00 | Tomas Martin Etcheverry v Vanni, Luca | 6-4,6-3 |
| Challenger Biella | 2021/05/16 10:30 | Vanni, Luca v Nino Serdarusic | 6-1,6-3 |
| Challenger Biella | 2021/05/04 13:55 | Vanni, Luca v Mayer, Leonardo | 6-7,0-6 |
| ITF - M25 Angers | 2021/04/20 15:35 | Vanni, Luca v Manuel Guinard | 1-6,7-6,1-6 |
| ITF M25 Biel | 2021/03/31 12:00 | Jay Clarke v Vanni, Luca | 5-7,7-6,6-4 |