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 US Open (tennis) The 2015 US Open was a tennis tournament played on outdoor hard courts. It was the 135th edition of the US Open, the fourth and final Grand Slam event of the year. It took place at the USTA Billie Jean King National Tennis Center.