Jackson Withrow

Jackson Withrow (born July 7, 1993) is an American professional tennis player. Withrow has a career-high ATP doubles ranking of World No. 16 achieved on 19 February 2024. Withrow has won seven ATP doubles titles. He played college tennis at Texas A&M.

2011
Withrow competed at the 2011 US Open doubles tournament, where he received together with his partner Jack Sock a wildcard. In the first round they were beaten by 15-seeded Xavier Malisse from Belgium and Mark Knowles from the Bahamas.

2016
At the 2016 NCAA Men's Tennis Championship, Withrow and Texas A&M Aggies teammate Arthur Rinderknech lost the individual doubles championship to UCLA's Mackenzie McDonald and Martin Redlicki in the final match.

2017: First ATP win in doubles
Withrow and Sock received a wildcard for the 2017 Cincinnati Masters doubles tournament, where they lost to Juan Sebastián Cabal and Fabio Fognini in the first round.

He won his first ATP level doubles match with partner Austin Krajicek at the 2017 US Open by defeating Philipp Oswald and André Sá in the first round.

2018: First ATP doubles title
Withrow and Sock made a doubles run to the title at the 2018 Delray Beach Open, first defeating Leander Paes and Purav Raja in the first round. Next the pair upset the Bryan brothers in the quarterfinals in 3 sets, then won their next match to set up a finals match against Nicholas Monroe and John-Patrick Smith. Withrow and Sock prevailed in three sets to win the tournament, marking Withrow's first ever ATP tour-level title as well as his first doubles title.

2019: US Open quarterfinal in doubles
At the 2019 Australian Open he reached the third round with Jack Sock, defeating second seeded pair and previous year finalists Juan Sebastián Cabal / Robert Farah (tennis) on the way.

At the 2019 US Open, partnering Sock, he reached his first Grand Slam quarterfinal defeating the Bryan brothers en route but lost to 15th seeded pair of Jamie Murray/Neal Skupski.

2020–21: New partnership with Lammons, Win over World No. 1 doubles team
He reached a career-high doubles ranking of World No. 66 on January 13, 2020.

At the 2021 US Open partnering Nathaniel Lammons they defeated top pair Nikola Mektić and Mate Pavić in the first round in 75 minutes.

2022: Second ATP title, top 50 debut
At the 2022 San Diego Open he won his first ATP title as a team with Lammoms. The pair moved up 25 places to 35th in the doubles race. He made his top 50 debut in the rankings on 26 September 2022.

The pair Withrow/Lammons ended the season at No. 32 in the ATP doubles rankings.

2023–24: Five titles, Four finals, Masters semifinal, top 20
With Lammons, Withrow reached three finals in Auckland, in Dallas and at the ATP 500 Mexican Open in Acapulco. The pair won the Challenger title at the 2023 Arizona Tennis Classic. At the 2023 Miami Open they reached the semifinals of a Masters for the first time but lost to eventual champions Santiago González and Édouard Roger-Vasselin.

Withrow reached the top 25 on 16 October 2023. The pair reached their eight final for the season and second at the ATP 500 level at the 2023 Erste Bank Open in Vienna. At the last Masters of the season in Paris the pair reached the quarterfinals defeating sixth seeds Máximo González and Andrés Molteni.

Lammons and Withrow won their sixth title as a pair at the 2024 Libéma Open defeating top seeds Wesley Koolhof and Nikola Mektić.

Doubles performance timeline
Current after the 2023 Madrid Open.
 * Note: No activity between 2012 and 2015.