Top-seeded Tommy Haas defeated qualifier Potito Starace 7-6 (2), 6-3 to reach the quarterfinals of the clay-court Brazil Open on Wednesday. The 12th-ranked Haas served well throughout the match at the Ibirapuera arena, allowing only one break point to the 152nd-ranked Italian. I played a pretty good tie break.'' Haas will next play Argentina's Horacio Zeballos, who defeated countryman Guido Pella 6-3, 6-4. ''So it's going to be tough.'' Second-seeded Nicolas Almagro of Spain, a three-time winner in Brazil, was upset by Federico Delbonis of Argentina 6-3, 3-6, 2-6. More...