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.

Dubai named long-term opening host of new beach volleyball championship
Amateur shocks pros for massive payday at 'One Point Slam' before Australian Open
UAE secure AFC U23 Asian Cup quarter-final spot
Ofner's premature celebration costs him Australian Open spot in epic collapse
Semenyo on target again as Man City beat Newcastle in League Cup semi-final