Rio de Janeiro, Brazil (SportsNetwork.com) - Top seed Klara Zakopalova was an easy quarterfinal winner Friday at the inaugural Rio Open tennis event.
The Czech veteran handled Poland's Katarzyna Piter 6-4, 6-0 on the red clay at Jockey Club Brasileiro.
Zakopalova's semifinal opponent will be Brazil's own Teliana Pereira, who dismissed Romanian qualifier Irina-Camelia Begu 6-4, 6-4.
Two other quarterfinal results saw Italian qualifier Nastassja Burnett upend third-seeded Argentine Paula Ormaechea 5-7, 6-2, 7-5 and fifth-seeded Japanese Kurumi Nara get past Spaniard Lourdes Dominguez Lino 7-6 (7-5), 2-0, retired.
Saturday's other semi will pit Nara against Burnett.
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