![Andy Murray celebrates winning the first set against Stan Wawrinka.](/web/20161118233820im_/http://www.canberratimes.com.au/content/dam/images/g/s/s/x/s/5/image.related.wideLandscape.460x259.gssxay.png/1479509218062.jpg)
Murray beats Wawrinka, books semi against Raonic
Andy Murray has joined his No.1 rival Novak Djokovic in the semi-finals of the ATP World Tour Finals, as the pair continue to track along parallel paths to a likely showdown for the year-end top ranking in Sunday's decider.