Serena Williams of the USA in action during the women’s singles match between USA and Greece on day three of the Hopman Cup tennis tournament at Perth Arena in Perth, Australia, 31 December 2018. EPA-EFE/TONY MCDONOUGH
Frances Tiafoe of the USA falls over during the men’s singles match between Frances Tiafoe of USA and Stefanos Tsitsipas of Greece on day three of the Hopman Cup tennis tournament at Perth Arena in Perth, Australia, 31 December 2018. EPA-EFE/RICHARD WAINWRIGHT
Grigor Dimitrov of Bulgaria in action against Yoshihito Nishioka of Japan during day one of the Brisbane International tennis tournament at the Queensland Tennis Centre in Brisbane, Australia, 31 December 2018. EPA-EFE/DARREN ENGLAND
Marie Bouzkova of the Czech Republic in action against Samantha Stosur of Australia on day one of the Brisbane International tennis tournament at the Queensland Tennis Centre in Brisbane, Australia, 31 December 2018. EPA-EFE/DARREN ENGLAND
Kiki Bertens of Netherlands in action against Elise Mertens of Belgium on day one of the Brisbane International tennis tournament at the Queensland Tennis Centre in Brisbane, Australia, 31 December 2018. EPA-EFE/DARREN ENGLAND
Stefanos Tsitsipas of Greece in action during the men’s singles match between the USA and Greece on day 3 of the Hopman Cup tennis tournament at RAC Arena in Perth, Western Australia, Australia, 31 December 2018. EPA-EFE/TONY MCDONOUGH
