Stadium: Court 10 Round: 44 Ground: Hardcourt outdoor
| ITF M25 Portimao | 2021/10/27 10:30 | Goncalo Falcao v Donarski, Sid | 6-4,6-3 |
| ITF M25 Portimao | 2021/10/26 10:35 | Donarski, Sid v de Pellegrin, Valentino | 6-4,6-2 |
| ITF M25 Portimao | 2021/10/25 09:00 | Romios, Matthew Christopher v Donarski, Sid | 6-2,4-6,3-10 |
| ITF - M25 Quinta Do Lago | 2021/10/20 12:00 | Skander Mansouri v Donarski, Sid | 6-1,6-4 |
| ITF - M25 Loulé | 2021/10/11 15:30 | Amaury Raynel v Donarski, Sid | 3-6,6-2,10-8 |
| ITF - M25 Pensacola | 2021/05/17 17:30 | Patrick Kypson v Donarski, Sid | 6-2,6-0 |
| ITF M15 Cancun | 2019/12/03 14:10 | Volfson, David v Donarski, Sid | 6-3,6-4 |
| ITF M15 Cancun | 2019/12/02 15:30 | Dan Martin v Donarski, Sid | 4-6,7-5,10-5 |
| ITF - M15 Manacor | 2021/01/05 13:45 | Reboul, Fabien v Mosciatti, Marco | 3-6,7-5,11-9 |
| ITF - M25 Trente | 2020/02/25 09:50 | Mosciatti, Marco v Gian Marco Ortenzi | 5-7,1-6 |
| ITF - M25 Trente | 2020/02/24 10:35 | Mosciatti, Marco v Erwin Troebinger | 7-6,6-4 |
| ITF - M15 Monastir | 2020/02/10 08:30 | Mosciatti, Marco v Rodriguez, Lisandru | 4-6,6-3,8-10 |
| ITF - M15 Monastir | 2020/02/09 08:00 | Mosciatti, Marco v Oscar Galimardanov | 6-3,6-1 |
| ITF - M15 Monastir | 2020/02/03 12:30 | Monteiro, Joao v Mosciatti, Marco | 6-2,6-0 |
| ITF - M15 Monastir | 2020/02/02 08:00 | Affes, Mhamed v Mosciatti, Marco | 1-6,1-6 |
| ITF - M15 Monastir | 2020/01/27 12:30 | Mosciatti, Marco v Dambrosi, Giacomo | 6-7,6-0,12-14 |