Roger Federer edged Thomaz Bellucci 6-3, 6-7 (6), 7-5 to advance to the quarterfinals at the Swiss Indoors Basel tennis event.
Federer saved four set points in the second-set tiebreaker before Bellucci sent the encounter into the decider.
In the third set, Federer was able to take the final break in the last game of the match to seal the win.
In the quarters, the world number 1 will face the winner of the match between Benoit Paire and Lukasz Kubot.
In other first-round action, Juan Martin del Potro eased past Alejandro Falla 6-4, 6-1.
Del Potro maintained his run of form to improve his chances of qualifying for the Barclays ATP World Tour Finals.
Paul-Henri Mathieu, reached the second round when he beat Henri Laaksonen 6-2, 7-5 in one hour and 40 minutes.
Marinko Matosevic overcame Florian Mayer 6-2, 6-3 in 63 minutes.
AP Photo / Georgios Kefalas, KEYSTONE
