Murray sets up Federer semi-final ANDY Murray yesterday set up another meeting with Roger Federer by beating Sergiy Stakhovsky 6-4, 6-2 to reach the semi-finals of the Qatar Open in Doha. Nadal not worried over second defeat RAFAEL Nadal tasted defeat for the second time in a week when he was knocked out of the Qatar Open in Doha yesterday, France's Gael Monfils winning 6-4, 6-4 in the quart Murray too strong for Petzschner ANDY Murray took his place in the quarter-finals of the Qatar Open in Doha with a comfortable 6-2, 6-4 victory over Germany's Philipp Petzschner. Australian Open despair for injured Davydenko NIKOLAY Davydenko will miss the Australian Open because of an injury in his left heel.