 Čilić returned to Flushing Meadows for the US Open to defend his title, reaching the semi finals where he was beaten in straight sets by Novak Djokovic who also went on to win in the final.Čilić managed to defend his title at the Kremlin Cup, winning the final in almost identical fashion to the previous year.In the final, he defeated the same player as the previous year, Roberto Bautista Agut, by the same scoreline, 6–4, 6–4.