Sao Paulo - Three-time defending champion Pablo Cuevas of Uruguay beat Argentina's Leonardo Mayer 6-2, 6-7 (13/15), 7-6 (9/7) on Friday to reach the Brazil Open semi-finals
The third-seeded Cuevas will face second-seeded Fabio Fognini of Italy in the clay-court event. Fognini beat Spain's Guillermo Garcia-Lopez 6-4, 6-2.
Chile's Nicolas Jarry upset top-seeded Albert Ramos-Vinolas of Spain 6-7 (6/8), 6-4, 7-6 (7/3) in the late match to set up a semi-final against Horacio Zeballos of Argentina. Zeballos topped Brazil's Rogerio Dutra Silva 6-7 (3/7), 6-2, 6-4.