Buenos Aires - Nicolas Almagro of Spain and Federico Delbonis of Argentina picked up second-round victories and are set to meet in the quarter-finals of the Copa Claro in the Argentine capital.
Second-seeded Almagro defeated Andrey Kuznetsov of Russia 7-6 (7/5), 6-2, while Debonis won 6-1, 6-4 against Albert Montanes of Spain.
Almagro won this tournament two years ago and was the runner-up last year to fellow Spaniard David Ferrer.
Ferrer is the top seed again and play later on Thursday against David Nalbandian of Argentina.
Results from $490 000 ATP tournament on Thursday (x denotes seeding):
Fabio Fognini (ITA x6) bt Marco Trungelliti (ARG) 7-5, 6-2
Tommy Robredo (ESP) bt Diego Schwartzman (ARG) 6-3, 6-1
Julian Reister (GER) bt Aljaz Bedene (SLO) 6-1, 1-6, 6-2
Albert Ramos (ESP x8) bt Leonardo Mayer (ARG) 6-3, 7-6 (7/3)
Federico Del Bonis (ARG) bt Albert Montas (ESP) 6-1, 6-4
Nicolas Almagro (ESP x2) bt Andrey Kuznetsov (RUS) 7-6 (7/5), 6-2