World number one Novak Djokovic and Grigor Dimitrov succumbed to the pressure of the fans at the Boodles tournament by taking off their tops.
During a break between games, Djokovic removed his top to the slow clap and cheer of fans chanting "off!", while Dimitrov was urged to do the same shortly afterwards.
Djokovic eventually won the clash at Buckinghamshire 5-7 6-3 10-6.
Watch the pair strip for the crowd below: