BASEL, Switzerland (AP) Novak Djokovic cruised to a 6-1, 6-2 victory over Lukasz Kubot of Poland in the second round at the Swiss Indoors on Thursday.
The top-ranked Serb needed just 55 minutes to defeat Kubot, a 64th-ranked qualifier. He served eight aces and dropped just 10 points in eight service games.
Djokovic improved to 66-3 this year in his first tournament since winning the U.S. Open in September.
Djokovic will play Marcos Baghdatis of Cyprus in the quarterfinals on Friday.
Also Thursday, there were second-round wins for unseeded trio Florian Mayer of Germany, Kei Nishikori of Japan and 113th-ranked Mikhail Kukushkin of Kazakhstan.
Seventh-seeded American Andy Roddick was to face Radek Stepanek of the Czech Republic, aiming to join Djokovic and Roger Federer as the only seeds in the last eight.