Milos Raonic of Thornhill, Ont., is through to the quarter-finals of the Portugal Open after posting a 6-3, 6-2 win over Pablo Cuevas of Uruguay on Thursday.
It will be the fourth consecutive quarter-final appearance of the season for Raonic, who is looking for his first ATP Tour win on clay.
Raonic, the world No. 9 and second seed at the tournament, will face Argentine Carlos Berlocq on Friday.
Raonic lost just 11 points on serve in his 67 minute victory over Cuevas, five of which came on double faults.
In women's action, Montreal's Eugenie Bouchard was defeated 6-4, 6-1 in the quarter-finals by two-time Grand Slam champion Svetlana Kuznetsova of Russia.
Bouchard, ranked 18th in the world, took a 4-1 lead in the opening set, but went on to lose 11 of the final 12 games.
In other matches, men's top seed Tomas Berdych strolled to a 6-3, 6-2 win over Somdev Devvarman of India.
Other men's winners included Leonardo Mayer of Argentina, Gastao Elias of Portugal and Victor Hanescu of Romania.
Top-seeded woman Carla Suarez Navarro of Spain beat Polona Hercog of Slovenia 6-1, 6-3 to reach the semifinals.