Miami: World No 1 Novak Djokovic advanced to the fourth round of the ATP and WTA Miami Open on Sunday, defeating Portugal’s 38th-ranked Joao Sousa 6-4, 6-1. Two-time defending champion Djokovic, trying to match Andre Agassi's record of six career Miami titles, needed only 78 minutes to win his 12th match in a row at the hardcourt event and 26th in his past 27 Miami starts.

Serbian Novak Djokovic plays a backhand against Joao Sousa of Portugal in their third-round match of the Miami Open at Crandon Park Tennis Center in Florida on Sunday. pic/AFP