Day Four of the 2016 Wimbledon Championships

Czech Republic's Jiri Vesely celebrates during the match against Austria's Dominic Thiem REUTERS/Tony O'Brien

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Canada's Eugenie Bouchard reacts after losing the second set in her match with Great Britain's Johanna Konta REUTERS/Andrew Couldridge

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Canada's Eugenie Bouchard celebrates winning her match against Great Britain's Johanna Konta REUTERS/Andrew Couldridge

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Canada's Eugenie Bouchard in action against Great Britain's Johanna Konta REUTERS/Andrew Couldridge

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Japan's Kei Nishikori reacts duringhis match against France's Julien Benneteau REUTERS/Andrew Couldridge

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Canada's Milos Raonic in action against Italy's Andreas Seppi REUTERS/Paul Childs

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Canada's Milos Raonic celebrates winning his match against Italy's Andreas Seppi REUTERS/Paul Childs

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Moldova's Radu Albot in action against Australia's Bernard Tomic REUTERS/Stefan Wermuth

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 France's Julien Benneteau in action against Japan's Kei Nishikori REUTERS/Andrew Couldridge

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Japan's Misaki Doi celebrates winning her match against Czech Republic's Karolina Pliskova REUTERS/Paul Childs

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Germany's Sabine Lisicki in action against Australia's Samantha Stosur REUTERS/Paul Childs

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Greece's Maria Sakkari in action against USA's Venus Williams REUTERS/Paul Childs

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Girls watch USA's Venus Williams in action against Greece's Maria Sakkari REUTERS/Paul Childs

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Romania's Simona Halep in action against Italy's Francesca Schiavone REUTERS/Stefan Wermuth

Britain Tennis - Wimbledon - All England Lawn Tennis & Croquet Club, Wimbledon, England - 30/6/16 Japan's Kei Nishikori in action against France's Julien Benneteau REUTERS/Andrew Couldridge