Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| Challenger Aix en Provence MD | 2021/06/16 09:00 | Geerts/Janvier v Cerretani/Cornea | 3-6,7-6,10-8 |
| Challenger Oeiras MD | 2021/05/26 11:40 | Cerretani/Cornea v Araujo/Coelho | 6-4,4-6,4-10 |
| Challenger Biella MD | 2021/05/19 14:45 | Cerretani/Cornea v Drzewiecki/Martos Gornes | 6-3,3-6,4-10 |
| Challenger Biella MD | 2021/05/18 13:20 | Collarini/Etcheverry v Cerretani/Cornea | 2-6,6-7 |
| Challenger Zadar MD | 2021/03/24 14:40 | Cerretani/Cornea v Klein/Molcan | 7-5,6-7,5-10 |