Switzerland’s Stan Wawrinka celebrates after beating Britain’s Andy Murray in a men’s singles group stage match on day six of the ATP World Tour Finals tennis tournament in London on Saturday. AFP PHOTO
LONDON: Stan Wawrinka booked a potentially feisty all-Swiss semifinals clash against Roger Federer after knocking Andy Murray out of the ATP Tour Finals with a 7-6 (7/4), 6-4 victory on Friday (Saturday in Manila).