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.
2012 Qatar Open – Doubles Marc López and Rafael Nadal were the defending champions but Nadal decided not to participate. López played alongside Albert Ramos, but the pair was defeated in the second round by Dmitry Tursunov and Nenad Zimonjić.