Stadium: Campo 2 Round: 26 Ground: Clay
| Challenger Buenos Aires MD | 2022/04/29 18:00 | Collarini/Olivo v Darderi/Torres | 6-4,4-6,5-10 |
| Challenger Buenos Aires MD | 2022/04/28 18:30 | Burruchaga/Villanueva v Collarini/Olivo | 3-6,3-6 |
| Challenger Buenos Aires MD | 2022/04/26 19:30 | Juarez/M Tiffon v Collarini/Olivo | 6-7,5-7 |
| Challenger Concepcion MD | 2022/03/19 19:45 | Collarini/Olivo v Hidalgo/Rodriguez | 6-4,6-4 |
| Challenger Concepcion MD | 2022/03/18 20:30 | Collarini/Olivo v Barrientos/Gonzales | 6-4,6-2 |
| Challenger Concepcion MD | 2022/03/17 19:05 | Galdos/Oliveira v Collarini/Olivo | 1-6,3-6 |
| Challenger Concepcion MD | 2022/03/16 17:30 | Bruna/Salazar v Collarini/Olivo | 1-6,0-6 |
| Challenger Santiago MD | 2022/03/08 19:15 | Collarini/Olivo v de Jong/Stevens | 5-7,3-6 |