World number six Stefanos Tsitsipas has advanced to the last-16 of the Dubai Duty Free Tennis Championships.
The 21-year-old Greek defeated Spain’s Pablo Carreno-Busta 7-6, 6-1 to book a clash with Alexander Bublik, who beat Hubert Hurkacz 6-2, 7-5.
Meanwhile, 2018 winner Roberto Bautista Agut, former US Open champion Marin Cilic and fourth seed Fabio Fognini have crashed out of the tournament.
The fifth-seeded Bautista Agut suffered a 6-7, 5-7 defeat to Germany's Jan-Lennard Struff, while Cilic lost to Frenchman Benoit Paire 6-2, 5-7, 6-7 and Fognini went down to Britain's Dan Evans 6-3, 4-6, 5-7.


Pogacar wins third Flanders crown but faces fine for running red light
Thuram and Martinez star as Inter dismantle Roma
Silva to exit Man City at end of season, assistant manager confirms
Penalty heroics help Leeds beat West Ham to reach FA Cup semis
Pogačar wins Tour of Flanders for record-equalling third time
