Roger Federer hopeful of Wimbledon return as he leads Centre Court celebrations

Roger Federer is still hoping to return and compete at Wimbledon next year as he made a surprise appearance at the All England Club on Sunday to celebrate the 100th anniversary of Centre Court.

To mark the famous stadium’s centenary, Wimbledon invited a host of former champions to watch the day’s tennis – which is now taking place on the middle Sunday, previously a rest day – and they were welcomed onto the grass to rapturous cheers from the crowd.

Sue Barker, presenting her final Wimbledon for the BBC, took on hosting duties alongside John McEnroe as some of tennis’ biggest names were invited onto the court.

The likes of Andy Murray, Pat Cash, reigning men’s champion Novak Djokovic, Billie Jean King, Venus Williams, Bjorn Borg, Rod Laver and many more were all in attendance, while the celebrations even saw Cliff Richard give another rendition of Summer Holiday.

But the biggest cheer of the afternoon was reserved for Federer, who has been unable to take part at the tournament this year for the first time in 23 years – since his debut in 1999.

The 40-year-old has been struggling with a knee problem which required surgery after last year’s tournament and he is still working his way back to fitness, though he hopes the next time he is back at Wimbledon he will be wearing his whites rather than a suit.

Asked about his memories of playing on Centre Court – and whether he would be back playing on it again – Federer said: ‘I’ve been lucky enough to play a lot of matches on this court, it feels awkward to be here today in a different type of role!

‘But it’s great to be here with all the other champions, and this court has given me my biggest wins, my biggest loses.

‘One of my highlights was walking out here in 2001 with Pete Sampras –