Roger Federer has booked his place in the quarter-finals of the Dubai Duty Free Tennis Championships.
The seven-time winner defeated Spain's Fernando Verdasco in three sets 6-3, 3-6, 6-3, to keep his hopes of winning his one hundredth career ATP title in Dubai alive.
Meanwhile, fifth seed Stefanos Tsitsipas also qualified for the last-eight by getting past Egor Gerasimov 6-3, 6-1.

Messi becomes first to win MLS Golden Boot in consecutive seasons
Norris on pole in rain-hit Brazil for third year in a row
Real Madrid sweep aside Valencia to move level with Barcelona
Rybakina pulls out of WTA Finals due to fitness concerns
Egypt part ways with coach Hassan, Maher to replace him
