Stadium: Court 7 - Center Round: 25 Ground: Clay
| ITF M15 Ulcinj | 2021/09/13 12:30 | Stefano Reitano v Danilo Raicevic | 6-3,6-4 |
| ITF M15 Ulcinj | 2021/09/13 08:00 | Nincevic, Frane v Stefano Reitano | 6-2,4-6,5-10 |
| ITF M15 Ulcinj | 2021/09/12 08:00 | Postay, Alan v Stefano Reitano | 3-6,3-6 |
| ITF M25 Lesa | 2021/08/24 10:00 | Daniel Dutra Da Silva v Stefano Reitano | 6-1,6-3 |
| ITF M25 Lesa | 2021/08/23 12:20 | Stefano Reitano v Cardella, Andrea | 6-2,6-1 |
| Challenger Biella | 2021/05/02 12:30 | Stefano Reitano v Dimitar Kuzmanov | 6-2,2-6,2-6 |
| ITF - M15 Monastir | 2021/03/15 12:30 | Stefano Reitano v Luigi Sorrentino | 4-6,2-6 |
| ITF - M15 Monastir | 2021/03/15 08:00 | Stefano Reitano v Rihane, Youcef | 3-6,6-3,10-6 |
| Challenger - Prague | 2021/08/24 10:25 | Facundo Diaz Acosta v Donati, Matteo | 6-1,6-3 |
| ITF M15 Warmbad-Villach | 2021/08/20 10:55 | Prechtel, Sebastian v Donati, Matteo | 3-6,6-4,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/19 12:55 | Donati, Matteo v Franco Ribero | 6-1,6-1 |
| ITF M15 Warmbad-Villach | 2021/08/17 13:25 | Donati, Matteo v Rohrer, Niklas | 6-3,6-3 |
| San Marino, San Marino | 2021/08/08 09:45 | Alexander Shevchenko v Donati, Matteo | 6-3,3-6,7-5 |
| Iasi, Romania | 2021/07/14 11:05 | Felipe Meligeni Rodrigues Alves v Donati, Matteo | 6-3,6-3 |
| Iasi, Romania | 2021/07/12 09:55 | Stefan Palosi v Donati, Matteo | 4-6,4-6 |
| ITF M25 Wroclaw | 2021/06/27 14:00 | Donati, Matteo v Dominik Kellovsky | 6-2,6-7,6-10 |