 Čilić lost in the first round of the French Open to Rubén Ramírez Hidalgo and at Wimbledon to his compatriot Ivan Ljubičić.At Umag, Čilić became the first Croatian man to reach the finals in over 20 years, losing to Alexandr Dolgopolov.He upset Juan Martín del Potro in the second round of the Rogers Cup and reached the third round of the US Open, losing to Roger Federer.