Stadium: Court 01 Round: 26 Ground: Clay
| ITF M15 Warmbad-Villach | 2021/08/17 13:25 | Matteo Donati v Niklas Rohrer | 6-3,6-3 |
| Challenger San Marino | 2021/08/08 09:45 | Alexander Shevchenko v Matteo Donati | 6-3,3-6,7-5 |
| Challenger Iasi | 2021/07/14 11:05 | Felipe Meligeni Rodrigues Alves v Matteo Donati | 6-3,6-3 |
| Challenger Iasi | 2021/07/12 09:55 | Stefan Palosi v Matteo Donati | 4-6,4-6 |
| ITF M25 Wroclaw | 2021/06/27 14:00 | Matteo Donati v Dominik Kellovsky | 6-2,6-7,6-10 |
| ITF M15 Cairo | 2021/04/15 13:20 | Lukas Krainer v Matteo Donati | 6-2,4-6,6-4 |
| ITF M15 Cairo | 2021/04/14 14:20 | Alex Barrena v Matteo Donati | 5-7,1-6 |
| ITF M15 Porec | 2021/03/09 11:20 | Matteo Donati v Aleksandre Bakshi | 7-6,6-0 |
| ITF M15 Warmbad-Villach | 2021/08/18 14:40 | Franco Ribero v Ioannis Xilas | 6-2,6-7,6-1 |
| ITF M15 Warmbad-Villach | 2021/08/17 13:00 | Franco Ribero v Leonardo Rossi | 3-6,6-4,10-4 |
| ITF M15 Warmbad-Villach | 2021/08/16 12:30 | Janos Fekete v Franco Ribero | 6-3,4-6,5-10 |
| ITF M15 Warmbad-Villach | 2021/08/15 07:00 | Matteo Curci v Franco Ribero | 3-6,6-4,7-10 |
| UTR Pro Tennis Series Barcelona | 2021/08/08 07:00 | Jay Friend v Franco Ribero | 6-2,6-1 |
| UTR Pro Tennis Series Barcelona | 2021/08/07 12:30 | Alvaro Bueno Gil v Franco Ribero | 1-6,4-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/06 10:00 | Franco Ribero v Kuzey Cekirge | 2-6,3-6 |
| UTR Pro Tennis Series Barcelona | 2021/08/05 13:00 | Franco Ribero v Nicolas Bianchi | 4-6,6-2,2-6 |