Belluati and Lamperti saw an early exit in Abu Dhabi two weeks ago, but managed to be among the final eight couples in the north of Argentina.
Their fellow countrymen and four-seed Martin Di Nenno and Franco Stupaczuk continued their fine form as well, making the quarter-finals in a smash-and-grab victory on court 2.
Watcht theirs and all other court 2 and 3 highlights in the video below!
Matches in chronological order:
Juan C. Belluati (ARG)/Miguel Lamperti (ARG) vs Toni Bueno (ESP)/Marc Quilez (ESP)
Federico Chingotto (ARG)/Javi Garrido (ESP) (6) vs Pablo Cardona (ESP)/Ivan Ramirez (ESP)
Lucas Campagnolo (BRA)/Maxi Sanchez (ARG) (7) vs Edu Alonso (ESP)/Juanlu Esbri (ESP)
Martin Di Nenno (ARG)/Franco Stupaczuk (ARG) (4) vs Jose G. Diestro (ESP)/'Pincho' Fernandez (ESP)
Alejandro Ruiz (ESP)/'Momo' Gonzalez (ESP) (5) vs Jon Sanz (ESP)/Javi Leal (ESP)