Bucharest, Romania - Top-seeded Janko Tipsarevic marched into the BRD Nastase Tiriac Trophy quarter-finals with a 6-3, 6-3 win over Santiago Giraldo of Colombia on Thursday.
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.
Guillermo Garcia-Lopez of Spain will face Tipsarevic after beating Sergiy Stakhovsky of Ukraine 1-6, 6-3, 6-4.
Also, Romania's Victor Hanescu eliminated fourth-seeded Mikhail Youzhny of Russia 6-4, 6-3 without losing his serve, and No 5 Florian Mayer beat David Goffin of Belgium 7-6 (7/2), 1-6, 6-3. Hanescu will play Mayer on Friday.
The other quarter-finals feature defending champion Gilles Simon playing Daniel Brands, and eighth-seeded Viktor Troicki going against Lukas Rosol.