Novak Djokovic opened his season with a 6-2, 6-2 win over the German qualifier Dustin Brown in the first round of the Qatar Open in Doha.
u25a0 Ante Pavic of Croatia, who is ranked 449th, reached the second round of the Chennai Open in India by beating 73rd-ranked Nicolás Almagro, 3-6, 7-5, 7-6 (1). (AP)
u25a0 Maria Sharapova and Simona Halep withdrew from the Brisbane International in Australia because of injuries.