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.
2015 WTA Finals The 2015 WTA Finals was a women's tennis tournament at Singapore. It was the 45th edition of the singles event and the 40th edition of the doubles competition. The tournament was contested by eight singles players and eight doubles teams.