Andy Murray is through to the semi-finals at Doha after beating Ukraine's Sergiy Stakhovsky 6-4 6-2.
Stakhovsky was at first a worthy opponent for the Scot but at the end of the first set he appeared to suffer from fatique. Murray was able to clinch the set 6-4 in 41 minutes
In the second set Murray upped his game, and with the help of some impressive lobs and drop shots, he eased through the set taking the match 6-4 6-2.
Murray will now face Roger Federer in the semi-finals on Friday.
