Defending champion Novak Djokovic and seven-time winner Roger Federer were on Friday drawn to meet in the semi-finals of this year's Wimbledon which starts on Monday.

World number one Djokovic, who is bidding to take another step closer to the first calendar Grand Slam since 1969, has defeated Federer in the last two finals at the All England Club.

The draw means that second seed Andy Murray, the 2013 champion, was lined up for a semi-final match against fourth seeded Stan Wawrinka.