Marc Polmans, with Andrew Whittington, reached the semi-final of a tennis tournament where who were the defending champions?
2017 Australian Open – Men's Doubles Jamie Murray and Bruno Soares were the defending champions, but lost in the first round to Sam Querrey and Donald Young.
2010 WTA Tour The Women's Tennis Association (WTA) Tour is the elite professional tennis circuit organized by the WTA. The 2010 WTA Tour calendar comprises the Grand Slam tournaments (supervised by the International Tennis Federation (ITF)), the WTA Premier tournaments (Premier Mandatory, Premier 5 and regular Premier), the WTA International tournaments, the Fed Cup (organized by the ITF), and the year-end championships (the Commonwealth Bank Tournament of Champions and the WTA Tour Championships). Also included in the 2010 calendar is the Hopman Cup, which does not distribute ranking points and is organized by the ITF.