Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M25 Portimao | 2021/10/25 09:00 | Matthew Romios v Sid Donarski | 6-2,4-6,3-10 |
| ITF M25 Quinta Do Lago | 2021/10/20 12:00 | Skander Mansouri v Sid Donarski | 6-1,6-4 |
| ITF M25 Loule | 2021/10/11 15:30 | Amaury Raynel v Sid Donarski | 3-6,6-2,10-8 |
| ITF M25 Pensacola | 2021/05/17 17:30 | Patrick Kypson v Sid Donarski | 6-2,6-0 |
| ITF M15 Cancun | 2019/12/03 14:10 | David Volfson v Sid Donarski | 6-3,6-4 |
| ITF M15 Cancun | 2019/12/02 15:30 | Dan Martin v Sid Donarski | 4-6,7-5,10-5 |
| ITF M15 Cancun | 2019/12/01 20:30 | Emiliano Troche v Sid Donarski | 5-7,2-6 |
| ITF M15 Rochester | 2019/06/25 19:15 | Tyler Mercier v Sid Donarski | 6-3,6-2 |
| ITF M25 Portimao | 2021/10/25 12:20 | Eneko R Perez v Valentino De Pellegrin | 2-6,4-6 |
| ITF M25 Portimao | 2021/10/24 09:00 | Valentino De Pellegrin v Stepan Pecak | 4-6,6-1,10-1 |
| ITF M25 Quinta Do Lago | 2021/10/17 12:00 | Harry Wendelken v Valentino De Pellegrin | 6-0,7-6 |
| ITF M25 Loule | 2021/10/11 12:00 | Valentino De Pellegrin v Hillel Rousseau | 2-6,2-6 |
| ITF M25 Loule | 2021/10/10 09:00 | Valentino De Pellegrin v David Munoz | 6-1,6-4 |
| ITF M25 Setubal | 2021/10/03 12:00 | Valentino De Pellegrin v Tomas C Abasolo | 4-6,4-6 |
| ITF M15 Monastir | 2021/07/18 12:00 | Jacob Brumm v Valentino De Pellegrin | 7-5,6-0 |
| ITF M15 Monastir | 2021/07/12 09:00 | Valentino De Pellegrin v Perry Gregg | 1-6,6-3,10-12 |