Marin Čilić (Croatian pronunciation: [mâriːn tʃǐːlitɕ]; born 28 September 1988) is a Croatian professional tennis player. Over the course of his career, Čilić has won 18 ATP singles titles, including a Grand Slam title at the 2014 US Open. His career-high singles ranking is world No. 3, achieved on 28 January 2018. Čilić first came to international prominence by defeating world No. 2 Andy Murray in the fourth round of the 2009 US Open, and then reaching the semi-finals at the Australian Open a few months later. He was also runner-up at the 2017 Wimbledon Championships and the 2018 Australian Open, losing to Roger Federer both times. Čilić has reached at least the quarterfinal in all four major tournaments. He is known for his fast serves and powerful ground-strokes.
