Sam Groth of Australia returns against Mikhail Kukushki of Kazakhstan during the Davis Cup Quarter Final singles match between Australia and Kazakhstan at Marrara Sporting Complex, Darwin, Australia, 19 July 2015. EPA/Shane Eecen AUSTRALIA AND NEW ZEALAND OUT

A British fan wearing a face mask depicting Britain’s Andy Murray during the Davis Cup quarter final match against Giles Simon of France at the Queens Club in London, Britain, 19 July 2015. EPA/ANDY RAIN

Britain’s Andy Murray (L) and brother Jamie Murray (R) in action against Nicolas Mahut and Jo-Wilfried Tsonga of France during a quarter-final Davis Cup tennis match at the Queens Club in London, Britain, 18 July 2015. EPA/ANDY RAIN

Lleyton Hewitt of Australia drops to the ground in celebration after winning his Davis Cup Quarter Final singles match against Aleksandr Nedovyesov of Kazakhstan in the final rubber at Marrara Sporting Complex, Darwin, July 19, 2105. His victory secured a 3-2 win to give them a semi final slot EPA/SHANE EECEN

Australian fans at the Davis Cup quarter final between Australia and Kazakhstan held at Marrara Sports Complex Darwin, Northern Territory, Australia, on 18 July 2015. EPA/SMP IMAGES AUSTRALIA AND NEW ZEALAND OUT

Britain’s Andy Murray returns to Giles Simon of France during the Davis Cup quarter final match at the Queens Club in London, Britain, 19 July 2015. EPA/ANDY RAIN