Federer strikes down fellow Swiss to reach Cincy semis

CINCINNATI: World No. 2 Roger Federer posted his second win of the day, amid a lightning fear interruption, to reach the semifinals of the ATP-WTA Cincinnati Masters on Friday.

The seven-time champion beat fellow Swiss Stan Wawrinka 6-7 (2/7), 7-6 (8/6), 6-2.