BNP Paribas Open at Indian Wells have had its few surprises, including early exits for Alexander Zverev and Novak Djokovic. Here's how the ATP Rankings could change this week.

Novak Djokovic was surprisingly upbeat after his shock Indian Wells defeat at the hands of Botic van de Zandschlup - but his smile has left some onlookers concerned

Novak Djokovic has criticized the Indian Wells playing conditions in light of his unexpected ouster from the competition. The Serbian rising star was shocked to lose to world No. 85 Botic van de Zandschulp 2-6,

Novak Djokovic was beaten by Botic van de Zandschulp in the third round of the Indian Wells Masters on Saturday and the Serbian was not happy with the court surfaces.

Novak Djokovic, who was ousted in the third round last year, fell 6-2, 3-6, 6-1 to Botic Van De Zandschulp in the second round of the BNP Paribas Open on Saturday.

Novak Djokovic was all smiles in his post-match press conference after a shock defeat at Indian Wells, but his reaction to the loss has raised suspicions over his mental state