Novak Djokovic is rarely a boring star to watch on the tennis court, but his opponents have often spoken of his kind-hearted nature throughout his long and illustrious career

By Shrivathsa Sridhar LONDON (Reuters) -Seven-time Wimbledon champion Novak Djokovic was made to work hard after a strong start as he began his bid for a 25th Grand Slam title by beating unseeded Frenchman Alexandre Muller 6-1 6-7(7) 6-2 6-2 to reach the second round on Tuesday.

Novak Djokovic stepped up his bid for a record 25th Grand Slam title as he moved into the Wimbledon third round with a 6-3, 6-2, 6-0 rout of British wildcard Dan Evans on Thursday. Djokovic needed just one hour and 47 minutes to dispatch Evans with a ruthless display in the second round on Centre Court.