Serving for the set at 5 - 3 , he fired three aces to take the set in 26 minutes .
The first opening came in the sixth game of the first set , Federer breaking the Ukrainian at love with a clean backhand winner .
Serving for the set at 5 - 3 , Federer fired three aces to take the set in 26 minutes .
The first opening came in the sixth game of the first set , Federer breaking the Ukrainian at love with a clean backhand winner .