Spaniards Roberto Carballés and Pedro Martínez had been eradicated on Wednesday by the Norwegian Casper Ruud and Serbian Dusan Lajovic, respectively, in the Argentine Open, the ATP 250 performed in Buenos Aires.
Ruud and Lajovic certified for the quarterfinals of the event.
Additionally they obtained their ticket for the following occasion on Wednesday the Portuguese Pedro Sousa, who beat Slovakian Jozef Kovalik 7-6 (3) and 7-6 (5), and Brazilian Thiago Monteiro, which beat Croatian Borna Coric 6-4 and 7-6 (6).
Sousa and Monteiro will face one another in quarters.
Carballes fell to Rudd 6-1 and 6-0.
The Norwegian will play towards Lajovic, who beat Martinez by a double 7-6 (6)
The spherical of 16 will conclude on Thursday.
Argentines Diego Schwartzman and Federico Delbonis will play one another, in addition to the locals Facundo Bagnis and Guido Pella.
The one Spanish left in the event, Albert Ramos, will face Uruguayan Pablo Cuevas, and the Serbian Laslo Djere would be the rival of Argentine Juan Ignacio Londero.
The Argentine Open, which is performed on clay on the Buenos Aires Garden Tennis Membership, will finish this Sunday