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 is looking to claim his 25th Grand Slam title at the Wimbledon Championship, which will make him the player with the highest number of major titles in the Open Era. However, the former World No.