Jo-Wilfried Tsonga wins longest match in Olympic history , breaking two records . Score: 6 Novak Djokovic and David Ferrrer also progress into last 16 of men 's competition . No . 1 But no more Brits remain in the ladies ' singles , as third seed Maria Sharapova edged closer to her first Olympic medal by overcoming Britain 's former junior Wimbledon winner Laura Robson 7-6 ( 7-5 ) 6-3 . Victoria Azarenka , Maria Sharapova and Venus Williams progress in women 's event .
Jo-Wilfried Tsonga wins longest match in Olympic history , breaking two records . Score: 6 Novak Djokovic and David Ferrrer also progress into last 16 of men 's competition . No . 1 Victoria Azarenka , Maria Sharapova and Venus Williams progress in women 's event .