Jack Sock of the United States returns the ball against Alexander Bublik of Kazakhstan during his Men's Singles second round match on Day Four of the...
Jack Sock of The United States of America celebrates after winning a point during his Men's Singles first round match against Reilly Opelka of the...
Jack Sock of Team World celebrates match point in his singles match against Fabio Fognini of Team Europe during Day One of the Laver Cup 2019 at...
Bronze medalists Steve Johnson and Jack Sock of the United States stand on the podium after the Men's Doubles competition on Day 7 of the Rio 2016...
Gold medalists Jack Sock and Bethanie Mattek-Sands of the United States pose on the podium during the ceremony for the mixed doubles on Day 9 of the...
Jack Sock of the New York Empire serves against the Philadelphia Freedoms during the semifinals of the World TeamTennis at The Greenbrier on August...
Jack Sock of The United States celebrates winning the first set during his men's singles match against Dominic Thiem of Austria during Day five of...
Jack Sock of USA in action in his match against Roger Federer of Switzerland during day one of the Nitto ATP World Tour Finals tennis at the O2 Arena...
S Jack Sock reacts as he plays against Serbia's Filip Krajinovic during the final of the ATP World Tour Masters 1000 indoor tennis tournament on...
Nick Kyrgios and Jack Sock of Team World celebrate winning a point during there doubles match against Tomas Berdych and Rafael Nadal of Team Europe...
Jack Sock of the United States celebrates a point against Grigor Dimitrov of Bulgaria in their third round match during day nine of the BNP Paribas...
Jack Sock of the United States plays a forehand to Feliciano Lopez of Spain during the men's singles match on day three of the 2017 Hopman Cup at...
Gold medalists Jack Sock and Bethanie Mattek-Sands of the United States pose on the podium during the ceremony for the mixed doubles on Day 9 of the...
Jack Sock of USA celebrates after winning his semi final match against David Ferrer of Spain during day five of the 2016 ASB Classic at the ASB...
Jack Sock of the United States returns the ball against Alexander Bublik of Kazakhstan during his Men's Singles second round match on Day Four of the...
Jack Sock of USA returns a forehand in his match against David Ferrer of Spain during day one of the Internazionali BNL d'Italia 2018 tennis at Foro...
Jack Sock of USA in action in his match against Roger Federer of Switzerland during day one of the Nitto ATP World Tour Finals tennis at the O2 Arena...
Jack Sock of the USA celebrates with the trophy after victory against Filip Krajinovic of Serbia in the Mens Final on day 7 of the Rolex Paris...
Team World Sam Querry, Nick Kygrios, Thanasi Kokkinakis, John McEnroe, Patrick McEnroe, Denis Shapovalov, Francis Tiafoe, Jack Sock and John Isner...
Jack Sock of USA in action during his first round match against Diego Schwartzman of Argentina on Day Three of The Internazionali BNL d'Italia 2017...
Silver medalists Venus Williams and Rajeev Ram of the United States, gold medalists Bethanie Mattek-Sands and Jack Sock of the United States and...
Jack Sock and Bethanie Mattek-Sands of the United States celebrate victory in the mixed doubles gold medal match against Rajeev Ram and Venus...
S Jack Sock and USA's Bethanie Mattek-Sands react as they play against USA's Venus Williams and USA's Rajeev Ram during their mixed doubles gold...
Jack Sock of the USA plays a forehand in his singles match against Kevin Anderson of South Africa during the 2016 ASB Classic at the ASB Tennis Arena...
Kei Nishikori and Jack Sock at the Maria Sharapova and Friends tennis event presented by Porsche on December 13, 2015 in Los Angeles, California.
American Tennis Star Jack Sock attends the Delta OPEN Mic, a private karaoke event in celebration of Serena Williams' upcoming defending tennis...
Jack Sock of the United States and Vasek Pospisil of Canada celebrates after winning the Gentlemen's Doubles Final against Bob Bryan and Mike Bryan...
Jack Sock of the United States returns against Alexander Zverev of Germany during his Men’s Singles third round match on Day Six of the 2021 US Open...
Jack Sock of the US returns the ball to Austria's Dominic Thiem during their men's singles second round tennis match on Day 4 of The Roland Garros...
Jack Sock and Mike Bryan of The United States return the ball during thier doubles final against Pierre-Hugues Herbert and Nicolas Mahut of France...
Team Europe and Team Rest of the World Alexander Zverev,Kyle Edmund,Grigor Dimitrov,David Goffin, Novak Djokovic,Roger Federer, team captain Bjorn...
Mike Bryan and Jack Sock of The United States celebrate their victory against Raven Klaasen of South Africa and Michael Venus of New Zealand after...
Mens Doubles - Mike Bryan & Jack Sock v Divij Sharan & Artem Sitak - Jack Sock stretches for the ball as he slips and goes down ; Divij Sharan and...
Mens Doubles - Mike Bryan & Jack Sock v Divij Sharan & Artem Sitak - Jack Sock stretches for the ball as he slips and goes down ; Divij Sharan and...
Mens Doubles - Mike Bryan & Jack Sock v Divij Sharan & Artem Sitak - Jack Sock stretches for the ball as he slips and goes down ; Divij Sharan and...
Jack Sock of USA reacts to a call in his second round match against Peter Gojowczyk of Germany during day three of the ASB Men's Classic at ASB...
Yuichi Sugita of Japan serves to Jack Sock of the United States in the mens singles match on Day Four of the 2018 Hopman Cup at Perth Arena on...
Jack Sock of the United States serves to Yuichi Sugita of Japan in the mens singles match on Day Four of the 2018 Hopman Cup at Perth Arena on...
Coco Vandeweghe and Jack Sock of the United States arrive at the 2018 Hopman Cup New Years Eve Ball at Crown Perth on December 31, 2017 in Perth,...
Jack Sock of the United States serves to Karen Khachanov of Russia in the mens singles match on day one of the 2018 Hopman Cup at Perth Arena on...
Jack Sock of the United States serves to Karen Khachanov of Russia in the mens singles match of the 2018 Hopman Cup at Perth Arena on December 30,...
Jack Sock of the United States serves to Karen Khachanov of Russia in the mens singles match of the 2018 Hopman Cup at Perth Arena on December 30,...
Jack Sock of the United States waves goodbye to the crowd after his three set defeat in his semi final match by Grigor Dimitrov of Bulgaria at the...
Jack Sock of the United States plays a backhand in his semi final match against Grigor Dimitrov of Bulgaria at the Nitto ATP World Tour Finals at O2...
Jack Sock of the United States walks out for his Singles Semi Final match against Grigor Dimitrov of Bulgaria during day seven of the Nitto ATP World...
Jack Sock of the United States celebrates victory in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of the United States celebrates victory in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of the United States celebrates victory in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of the United States celebrates victory in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of the United States celebrates victory in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of the United States celebrates victory in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of the United States celebrates victory in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of the United States celebrates a point in his Singles match against Alexander Zverev of Germany during day five of the Nitto ATP World...
Jack Sock of The United States celebrates victory during the singles match against Marin Cilic of Croatia on day three of the Nitto ATP World Tour...
Jack Sock of The United States celebrates during the singles match against Marin Cilic of Croatia on day three of the Nitto ATP World Tour Finals at...
Jack Sock of USA in action in his match against Roger Federer of Switzerland during day one of the Nitto ATP World Tour Finals tennis at the O2 Arena...
Jack Sock of USA in action in his match against Roger Federer of Switzerland during day one of the Nitto ATP World Tour Finals tennis at the O2 Arena...
Jack Sock of the United States serves against Roger Federer of Switzerland during the Nitto ATP World Tour Finals at O2 Arena on November 12, 2017 in...
Jack Sock of the United States serves against Roger Federer of Switzerland during the Nitto ATP World Tour Finals at O2 Arena on November 12, 2017 in...
General view as Roger Federer of Switzerland is in action in his match against Jack Sock of USA during day one of the Nitto ATP World Tour Finals...
