Diego Schwartzmann won the annual finals tournament in 2014, but failed to qualify to defend it in 2015, at which sport?
Diego Schwartzman Diego Sebastián Schwartzman (] , ] ; born 16 August 1992) is an Argentine professional tennis player competing mainly on the ATP Tour. He has won one ATP singles title, and reached a career-high singles ranking of world No. 28 in 2017. He is a clay court specialist, and is noted for his "deadly" return game.
2015 Stan Wawrinka tennis season The 2015 Stan Wawrinka tennis season began at the Chennai Open, where he won the title for the third time in his career. This was followed by an unsuccessful defense of his title at the Australian Open, where he lost in the semi-finals to eventual champion Novak Djokovic in five sets. A few months later, after a relatively unsuccessful clay season, Stan won his second major title at the French Open, defeating Roger Federer and Novak Djokovic in the process.