- Nadal wins Prague charity poker event
- WTA adds new UK grasscourt event as Asia grows
- Murray's Wimbledon win yet to have impact at grassroots
- Sabin becomes first female LTA president
- Nishikori hires Chang as advisory coach
- Olympics: Navratilova urges IOC over gay rights
- Murray to miss BBC awards ceremony
- Sharapova happy with 'baby step' return
- Ronaldo, Shevchenko to join Nadal at live poker tournament
- Tomic gets wildcard to defend Sydney title
- Former Grand Slam champ Bruguera to coach Gasquet
- Sport: Murray favourite for BBC award
- Haase tested positive in 2006 - reports
- Sharapova taps Groeneveld as coach
- Wawrinka, Tipsarevic to play in Chennai Open
- Hong Kong to host new WTA tournament
- Murray, Federer hail new ATP chief Kermode
- Former British number one Baltacha retires
- ATP world rankings at end of 2013
- Djokovic sees record streak as boost for 2014
- 'Ferrari' Djokovic left in garage, says Stepanek
- Lionheart Stepanek stars in Czech passion play
- Czech Republic's path to Davis Cup victory
- Davis Cup previous winners
- Czechs beat Serbia to retain Davis Cup
- Czechs beat Serbia to defend Davis Cup title
- Davis Cup final - Serbia 2 Czech Republic 3
- Serbia, Czechs tied 2-2 in Davis Cup final
- Davis Cup final - Serbia 2 Czech Republic 2
- Del Potro, Janowicz,Tomic set for Sydney
Nadal shock is Wimbledon wake-up, says Djokovic
World number one Novak Djokovic admitted Tuesday that Rafael Nadal's shock Wimbledon exit was a resounding wake-up call as the top-seeded Serb began his campaign for a second All England Club title.
Nadal, the eight-time French Open champion and 12 times a Grand Slam title winner, suffered his worst loss at a major Monday when he was knocked out in the first round in straight sets by Belgian world number 135, Steve Darcis.
"You cannot take anything or anybody for granted. You have to be grateful for being in this position, work even harder to stay there. That's the whole point," said Djokovic.
"The sport is evolving. Everybody is getting better, getting more professional. Especially at the opening stages of Grand Slams, there are a lot of quality players who have nothing to lose really coming on the Centre Court or Court 1, playing in front of 10,000 or more people.
"Against one of the top players, you know, what can you really lose? You're going and you're playing your best tennis."
Djokovic's last loss in the first round of a major was way back in 2006 at the Australian Open.
He was in no danger of following Nadal out of the tournament on Monday as the 2011 champion cruised past tricky German Florian Mayer, the world number 34 who had had beaten in the quarter-finals last year, 6-3, 7-5, 6-4.
Djokovic goes on to face either Bobby Reynolds or Steve Johnson.