DUBAI, United Arab Emirates, March 1 (UPI) -- Roger Federer kept his record perfect versus Mikhail Youzhny and advanced Thursday to the semifinals of the Dubai Duty Free Tennis Championships.
Federer, the No. 2 seed, stopped Youzhny 6-3, 6-4. He is 12-0 lifetime against the Russian, including 4-0 in Dubai. Youzhny has won a total of three sets in the 12 matches.