INDIAN WELLS, CALIFORNIA - MARCH 05: Novak Djokovic of Serbia in action during a practice session on Day 2 of the BNP Paribas Open at the Indian Wells Tennis Garden on March 05, 2019 in Indian Wells, California. (Photo by Yong Teck Lim/Getty Images)
INDIAN WELLS, CALIFORNIA - MARCH 05: Novak Djokovic of Serbia in action during a practice session on Day 2 of the BNP Paribas Open at the Indian Wells Tennis Garden on March 05, 2019 in Indian Wells, California. (Photo by Yong Teck Lim/Getty Images)