Janko Tipsarevic into quarters
Need the scores from any match played in today's tournaments? Results
Tipsarevic dropped serve just once and saved eight of the nine break points he faced, while breaking Giraldo four times.
"I don't think it was an easy game, despite the score," Tipsarevic said.
Also, Romania's Victor Hanescu topped fourth-seeded Mikhail Youzhny of Russia 6-4, 6-3 without losing his serve, and No. 5 Florian Mayer defeated David Goffin of Belgium 7-6 (2), 1-6, 6-3. Hanescu will play Mayer on Friday.
Copyright 2013 by The Associated Press
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