Stadium: Grandstand Round: 28 Ground: Clay
| Challenger Santiago MD | 2021/10/06 20:15 | Andreozzi/Duran v Baez/P De Almeida | 3-6,6-7 |
| Challenger Lima MD | 2021/09/28 21:15 | Andreozzi/Duran v Cerundolo/Ugo Carabelli | 1-6,5-7 |
| Challenger Amersfoort MD | 2021/07/13 13:20 | Castelnuovo/Guinard v Andreozzi/Duran | 7-5,6-7,10-5 |
| Challenger Porto MD | 2021/07/03 13:00 | Olivo/Reyes-Varela v Andreozzi/Duran | 7-6,6-7,9-11 |
| Challenger Porto MD | 2021/07/02 10:00 | Andreozzi/Duran v Reese/Verbeek | 6-3,6-4 |
| Challenger Porto MD | 2021/07/01 10:00 | Borges/Cabral v Andreozzi/Duran | 6-7,2-6 |
| Challenger Porto MD | 2021/06/29 15:50 | Andreozzi/Duran v Stakhovsky/Weissborn | 6-4,6-4 |
| Challenger Biella MD | 2021/05/05 17:00 | Andreozzi/Duran v Domingues/Sousa | 6-7,6-3,3-10 |