He defeated Kei Nishikori, Mischa Zverev, and Somdev Devvarman, before he withdrew in his match with countryman Novak Djokovic.
Ia mengalahkan Kei Nishikori, Mischa Zverev, dan Somdev Devvarman sebelum memutuskan mundur saat melawan kompatriotnya, Novak Djokovic.