Alison Riske of the US returns to Roberta Vinci of Italy in their first round match of the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 28 June 2016. EPA/HANNAH MCKAY
Amra Sadikovic of Switzerland returns to Serena Williams of the USA during their first round match at Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 28 June 2016 EPA/ANDY RAIN
Andrea Petkovic of Germany returns to Nao Hibino of Japan during their first round match of the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 28 June 2016. EPA/GERRY PENNY
Caroline Wozniacki of Denmark returns to Svetlana Kuznetsova of Russia during their first round match at the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 28 June 2016 EPA/ANDY RAIN
Johanna Konta of Britain celebrates a set point winner against Monica Puig of Puero Rico during their first round match of the Wimbledon Championships at the All England Lawn Tennis Club, in London, Britain, 28 June 2016. EPA/FACUNDO ARRIZABALAGA
Topics: Alison Riske, Amra Sadikovic, Andrea Petkovic, Caroline Wozniacki, Grass tennis, Johanna Konta, Serena Williams, Sports, Tennis, The Championships, Wimbledon 2016, Wta