![Cori Gauff of United States of America hits a ball during the Ladies' singles third round of the Championships, Wimbledon against Polona Hercog of Slovenia at the All England Lawn Tennis and Cori Gauff of United States of America hits a ball during the Ladies' singles third round of the Championships, Wimbledon against Polona Hercog of Slovenia at the All England Lawn Tennis and](https://c8.alamy.com/comp/2NT9MGF/cori-gauff-of-united-states-of-america-hits-a-ball-during-the-ladies-singles-third-round-of-the-championships-wimbledon-against-polona-hercog-of-slovenia-at-the-all-england-lawn-tennis-and-croquet-club-in-london-united-kingdom-on-july-5-2019-the-yomiuri-shimbun-via-ap-images-2NT9MGF.jpg)
Cori Gauff of United States of America hits a ball during the Ladies' singles third round of the Championships, Wimbledon against Polona Hercog of Slovenia at the All England Lawn Tennis and
![Mathilde Johansson of France returns a ball during her Sony Swedish Open tennis tournament final against Polona Hercog, not shown, of Slovenia, in Bastad, Sweden, on Sunday July 22, 2012. Hercog won Mathilde Johansson of France returns a ball during her Sony Swedish Open tennis tournament final against Polona Hercog, not shown, of Slovenia, in Bastad, Sweden, on Sunday July 22, 2012. Hercog won](https://c8.alamy.com/comp/2P69WCA/mathilde-johansson-of-france-returns-a-ball-during-her-sony-swedish-open-tennis-tournament-final-against-polona-hercog-not-shown-of-slovenia-in-bastad-sweden-on-sunday-july-22-2012-hercog-won-the-final-2-1-ap-photobjorn-larsson-rosvall-sweden-out-2P69WCA.jpg)
Mathilde Johansson of France returns a ball during her Sony Swedish Open tennis tournament final against Polona Hercog, not shown, of Slovenia, in Bastad, Sweden, on Sunday July 22, 2012. Hercog won
![Cori Gauff of United States of America reacts during the Ladies' singles third round of the Championships, Wimbledon against Polona Hercog of Slovenia at the All England Lawn Tennis and Croquet Club Cori Gauff of United States of America reacts during the Ladies' singles third round of the Championships, Wimbledon against Polona Hercog of Slovenia at the All England Lawn Tennis and Croquet Club](https://c8.alamy.com/comp/2NT9MGK/cori-gauff-of-united-states-of-america-reacts-during-the-ladies-singles-third-round-of-the-championships-wimbledon-against-polona-hercog-of-slovenia-at-the-all-england-lawn-tennis-and-croquet-club-in-london-united-kingdom-on-july-5-2019-the-yomiuri-shimbun-via-ap-images-2NT9MGK.jpg)