article_snippet: (CNN)Novak Novak Djokovic led Serbia to the quarterfinals of the Davis Cup World Group after answering a late call to play in Saturday's last 16 doubles victory over neighbor and rival Croatia.
article_snippet: Teammate Viktor Troicki had been due to play in the doubles rubber alongside Nenad Zimonjic, but a draining five-set singles match with Croatian teen starlet Borna Coric on Friday convinced Serbia coach Bogdan Obradovic to draft in the fresher Novak Djokovic.
article_snippet: The World No 1. singles player has looked strong all week after losing in straight sets to Roger Federer at the final of the Dubai Tennis Championships seven days ago.
article_snippet: He was cheered on by a packed and passionate home crowd at the Kraljevo Sports Center.
article_snippet: Serbia has won the Davis Cup once before, in 2010 when Serbia defeated Croatia on the way to the final.
highlights_snippet: Novak Djokovic answers late call to help Serbia to Davis Cup victory over Croatia .
  