![John Isner reacts after losing a point against Felix Auger-Aliassime, of Canada, during their semifinal match at the Miami Open tennis tournament, Friday, March 29, 2019, in Miami Gardens, Fla. Isner won John Isner reacts after losing a point against Felix Auger-Aliassime, of Canada, during their semifinal match at the Miami Open tennis tournament, Friday, March 29, 2019, in Miami Gardens, Fla. Isner won](https://c8.alamy.com/comp/2MK85R4/john-isner-reacts-after-losing-a-point-against-felix-auger-aliassime-of-canada-during-their-semifinal-match-at-the-miami-open-tennis-tournament-friday-march-29-2019-in-miami-gardens-fla-isner-won-7-6-3-7-6-4-ap-photolynne-sladky-2MK85R4.jpg)
John Isner reacts after losing a point against Felix Auger-Aliassime, of Canada, during their semifinal match at the Miami Open tennis tournament, Friday, March 29, 2019, in Miami Gardens, Fla. Isner won
![John Isner reaches first Wimbledon semis to book Kevin Anderson clash | Tennis News - Hindustan Times John Isner reaches first Wimbledon semis to book Kevin Anderson clash | Tennis News - Hindustan Times](https://images.hindustantimes.com/rf/image_size_630x354/HT/p2/2018/07/12/Pictures/tennis-gbr-wimbledon_60c0f81a-8543-11e8-b9ce-1e6263d714a8.jpg)
John Isner reaches first Wimbledon semis to book Kevin Anderson clash | Tennis News - Hindustan Times
![John Isner, of the United States, returns a shot to Milos Raonic, of Canada, during the fourth round of the U.S. Open tennis tournament, Sunday, Sept. 2, 2018, in New York. (AP John Isner, of the United States, returns a shot to Milos Raonic, of Canada, during the fourth round of the U.S. Open tennis tournament, Sunday, Sept. 2, 2018, in New York. (AP](https://c8.alamy.com/comp/2MMMA18/john-isner-of-the-united-states-returns-a-shot-to-milos-raonic-of-canada-during-the-fourth-round-of-the-us-open-tennis-tournament-sunday-sept-2-2018-in-new-york-ap-photojason-decrow-2MMMA18.jpg)
John Isner, of the United States, returns a shot to Milos Raonic, of Canada, during the fourth round of the U.S. Open tennis tournament, Sunday, Sept. 2, 2018, in New York. (AP
![TORONTO, ON - AUGUST 10: John Isner (USA) returns the ball during his National Bank Open tennis tournament first round game on August 10, 2021, at Aviva Centre in Toronto, ON, Canada. ( TORONTO, ON - AUGUST 10: John Isner (USA) returns the ball during his National Bank Open tennis tournament first round game on August 10, 2021, at Aviva Centre in Toronto, ON, Canada. (](https://c8.alamy.com/comp/2NMX3MD/toronto-on-august-10-john-isner-usa-returns-the-ball-during-his-national-bank-open-tennis-tournament-first-round-game-on-august-10-2021-at-aviva-centre-in-toronto-on-canada-photo-by-julian-avramicon-sportswire-icon-sportswire-via-ap-images-2NMX3MD.jpg)