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.
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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.
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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.