Garbine Muguruza of Spain in action puts ice on her head between games against Anna Kalinskaya of Russia during their Women’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEFrances Tiafoe of the USA in action against Dusan Lajovic of Serbia during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEBianca Andreescu of Canada in action against Amanda Anisimova of the USA during their Women’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEEmil Ruusuvuori of Finland in action against Mikael Ymer of Sweden during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEAmanda Anisimova of the USA in action against Bianca Andreescu of Canada during their Women’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISECameron Norrie of Great Britain in action against Taylor Fritz of the USA during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEAnna Kalinskaya of Russia in action against Garbine Muguruza of Spain during their Women’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISETaylor Fritz of the USA in action against Cameron Norrie of Great Britain during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEAnett Kontaveit of Estonia in action against Elise Mertens of Belgium during their Women’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEDusan Lajovic of Serbia in action against Frances Tiafoe of the USA during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEElise Mertens of Belgium in action against Anett Kontaveit of Estonia during their Women’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEJan-Lennard Struff of Germany in action against Roberto Bautista Agut of Spain during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISERoberto Bautista Agut of Spain in action against Jan-Lennard Struff of Germany during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISEMikael Ymer of Sweden in action against Emil Ruusuvuori of Finland during their Men’s singles match at the Miami Open tennis tournament in Miami Gardens, Florida, USA, 28 March 2021. EPA-EFE/RHONA WISE