article_snippet: 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.
article_snippet: Alexandr Dolgopolov led 4-1 in the second set before The world
article_snippet: No 1 mounted a comeback to remain in contention for his fifth Key Biscayne title.
article_snippet: Novak Djokovic came back from a set down to reach the quarter-finals of the Miami Open on Tuesday .
article_snippet: The Russian moved poorly after that and won only three of 27 points in the second set.
article_snippet: As Novak Djokovic fell behind in the second set, Alexandr Dolgopolov busted a racket in anger, drew jeers from the crowd and was cited for two code violations, which cost Alexandr Dolgopolov a point penalty.
article_snippet: However, Alexandr Dolgopolov won a succession of long exchanges late in the second set that allowed Alexandr Dolgopolov to even the match.
article_snippet: Novak Djokovic claimed a succession of long exchanges in the second set to even the match and go on to win .
highlights_snippet: Novak Djokovic came from a set down to beat Alexandr Dolgopolov .
  
highlights_snippet: No 1 remains in contention for Alexandr Dolgopolov fifth Miami Open win .
  