article_snippet.sent: Reigning champion Novak Djokovic dug deep to avoid a shock exit at the hands of Alexandr Dolgopolov before powering into the quarter-finals of the Miami Open.
article_snippet.sent: The unseeded Dolgopolov - ranked 65th in The world, 64 places behind Djokovic - surprised the Serbian by winning a first-set tie-break and building a quick 4-2 lead in the second set.
article_snippet.sent: But Novak Djokovic steeled Novak Djokovic and rallied to force a decider, which Novak Djokovic wrapped up without much resistance from Novak Djokovic deflated Ukrainian opponent.
article_snippet.sent: Novak Djokovic Novak Djokovic celebrates after securing a quarter-final place at the Miami Open .
article_snippet.sent: Novak Djokovic came back from a set down to reach the quarter-finals of the Miami Open the Miami Open on Tuesday .
article_snippet.sent: Alexandr Dolgopolov had both of Alexandr Dolgopolov soles bandaged and won only three points in the final set .
article_snippet.sent: Novak Djokovic claimed a succession of long exchanges in the second set to even the match and go on to win .
highlights_snippet.sent: Novak Djokovic came from a set down to beat Alexandr Dolgopolov .
  
highlights_snippet.sent: No 1 remains in contention for Alexandr Dolgopolov fifth Miami Open win .
  
highlights_snippet.sent: Alexandr Dolgopolov became less mobile after receiving treatment to Alexandr Dolgopolov feet .
  