General view with the centre court, left, and the church, back, at the All England Lawn Tennis Championships in Wimbledon, London, on Thursday, June 27, 2019. The Wimbledon Tennis Championships 2019 will be held in London from 1 July to 14 July. EPA-EFE/PETER KLAUNZER
Roger Federer of Switzerland, left, and David Goffin of Belgium on their way to a training session at the All England Lawn Tennis Championships in Wimbledon, London, on Thursday, June 27, 2019. EPA-EFE/PETER KLAUNZER
Alexander Zverev of Germany warms up prior to a training session at the All England Lawn Tennis Championships in Wimbledon, London, on Thursday, June 27, 2019. EPA-EFE/PETER KLAUNZER
Stan Wawrinka of Switzerland, left, and Dominic Thiem of Austria take a break during a training session at the All England Lawn Tennis Championships in Wimbledon, London, on Thursday, June 27, 2019. EPA-EFE/PETER KLAUNZER
Andy Murray of Great Britain hits a ball during a training session at the All England Lawn Tennis Championships in Wimbledon, London, on Thursday, June 27, 2019. EPA-EFE/PETER KLAUNZER
