Serbia's Jelena Jankovic (R) reacts as she changes ends after a game against Poland's Agnieszka Radwanska (L) during their women's singles first round match on the second day of the 2017 Wimbledon Championships at The All England Lawn Tennis Club in Wimbledon, southwest London, on July 4, 2017. / AFP PHOTO / Adrian DENNIS / RESTRICTED TO EDITORIAL USE (Photo credit should read ADRIAN DENNIS/AFP via Getty Images)
