| Challenger Buenos Aires MD | 01/20 17:25 | 29 | Schnaitter/Wallner v Fonseca/Sakamoto | 2-6,2-6 | |
| Challenger Buenos Aires MD | 01/19 17:45 | 28 | Monzon/Sanchez Jover v Fonseca/Sakamoto | 6-3,3-6,7-10 | |
| Challenger Buenos Aires MD | 01/18 19:25 | 27 | Klier Junior/Reis da Silva v Fonseca/Sakamoto | 1-6,6-7 | |
| Challenger Buenos Aires MD | 01/17 21:00 | 26 | Fonseca/Sakamoto v Luz/Zormann | 6-3,3-6,11-9 |