Roger Federer has pulled out of tonight’s ATP World Tour Finals final against Novak Djokovic due to a back injury.
Federer, who beat Stanislas Wawrinka in a final-set tie-break last night, apologised to the crowd at O2 Arena in person at around 5.30pm.
The ATP has moved quickly to make sure that there will be live entertainment tonight.
Andy Murray and Djokovic have agreed to play a one-set exhibition – first to eight games.
Murray will then team up with John McEnroe to play Tim Henman and Pat Cash in an all-star doubles match.
Federer’s withdrawal means that Djokovic wins the Tour Finals for a third consecutive year.
As well as addressing the crowd in London, Federer apologised on his Facebook page.
He wrote: “I am sorry to announce that I cannot play the finals tonight vs. Novak.
“I hurt my back late in the match yesterday against Stan. I am very disappointed and I hope to be feeling better soon.
“It’s been an extremely difficult decision because I love playing in London and the ATP World Tour Finals have been an absolute highlight of my career.
“Unfortunately, my back problem does not allow me to play right now. I hope all tennis fans and those involved in the event will understand.”
Federer now turns his attention to getting fit for Switzerland’s Davis Cup final against France, which begins in Lille on Friday.
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