(CNN) -- World number one Novak Djokovic began his bid to win a second Wimbledon title with a straight sets victory as he focused hard on avoiding a shock Rafael Nadal-style defeat. 

A day after the Spaniard bowed out against Belgian world No. 135 Steve Darcis, the Serb was in unforgiving mood as he defeated Germany's Florian Mayer 6-3 7-5 6-4. 

Djokovic was playing his first match since losing a thrilling five-set semifinal at the French Open against Nadal, who went on to win the tournament for a record eighth time. 

"I watched the bigger part of (the Nadal-Darcis) match and I thought that his opponent played great," Djokovic said. 

"Darcis came up with some incredible shots, incredible points in important moments and he deserved to win. 

"I know people expect all the top players to get to at least the final stages of a grand slam or whatever tournament they play. It was a surprise in the end him losing to Darcis, but his opponent played great." 

Having been seeded in the opposite section of the draw, Djokovic would have been unable to meet Nadal until the final itself but now his main rivals would appear to be either Wimbledon maestro Roger Federer, the defending champion, or local favorite Andy Murray. 

Yet Djokovic is refusing to look so far ahead as he says the early rounds of grand slams can be very testing for the world's leading players. 

"You cannot take anything or anybody for granted. You have to be grateful for being in this position and work even harder to stay there," said the 2011 Wimbledon champion. 
in how many sets?
6-3 7-5 6-4