Roger Federer put his unexpected day off on Friday to good use.The former world number one was expected to play Australian Nick Kyrgios in the quarter-final of the BNP Paribas Open.However, the latter was forced to pulled out due to sickness.On his twitter feed yesterday, Federer announced that Grigor Dimitrov, Tommy Haas, and songwriter David Foster are forming a boy band, which will be known as 'BackhandBoys'.The Australian Open champion's hilarious video features himself, Grigor Dimitrov and Tommy Haas standing next to a piano as songwriter David Foster plays a romantic melody.The video also featured a cameo for Novak Djokovic, who happily channelled his inner Meatloaf to belt out his lines of the song.

The Backhand Boys are already in high demand

Twitter has responded to this revelation, with fans including celebrity survival specialist Bear Grylls showing support to the band.

Grylls simply posted in response to the video: "Ha! Genius"

You can see Federer's boy band in action in the video below.

The US Open also used Twitter to invite the boys to perform at their AAKidsDay event.

"@rogerfederer We still need performers for @AAKidsDay this year at the #USOpen. Open invitation for the #BackhandBoys if you want it."

Unexpected Day Off

Federer’s quarter-final match with the in-form Kyrgios had to be called off after the Australian pulled out with food poisoning.

Kyrgios used his Twitter feed to announce his withdrawal from the BNP Paribas Open, stating: “Had a restless night of being sick.

“To play a great champion like Roger, I need to be at my best to have a chance.”

Roger Federer expressed his disappointment that the much-anticipated match had been cancelled, responding by saying: “I was really looking forward to playing the match, it’s a pity.”

This means that Federer will now go straight into the semi-final stage of the BNP Paribas Open, and will now play America Jack Sock.