novak djokovic rallied from a set and a break down tuesday to beat alexandr dolgopolov 6 7, 7 5, 6 0 in the fourth round of the miami open dolgopolov led 4 1 in the second set before the world no 1 mounted a comeback to remain in contention for his fifth key biscayne title after the second set, dolgopolov received treatment from a trainer, who bandaged the soles of both feet novak djokovic came back from a set down to reach the quarter finals of the miami open on tuesday  alexandr dolgopolov had both of his soles bandaged and won only three points in the final set  the russian moved poorly after that and won only three of 27 points in the final set as djokovic fell behind in the first set, he busted a racket in anger, drew jeers from the crowd and was cited for two code violations, which cost him a point penalty however, he won a succession of long exchanges late in the second set that allowed him to even the match djokovic claimed a succession of long exchanges in the second set to even the match and go on to win 
novak djokovic alexandr dolgopolov fifth miami open dolgopolov
novak djokovic came from a set down to beat alexandr dolgopolov . the world no 1 remains in contention for his fifth miami open win . dolgopolov became less mobile after receiving treatment to his feet 