Aisam-ul-Haq Qureshi is a Pakistani professional tennis player who specialises in doubles. He is the only Pakistani player ever to reach a Grand Slam final, having done so in both men's and mixed doubles at the 2010 US Open, alongside Rohan Bopanna and Květa Peschke respectively. Qureshi has also reached seven further major semifinals across the two disciplines. He reached his career-high doubles ranking of world No. 8 in June 2011, and has won 18 titles on the ATP Tour, including the 2011 Paris Masters and 2013 Miami Open, with Bopanna and Jean-Julien Rojer respectively. Qureshi has also qualified for the ATP Finals in doubles on three occasions.
Rajeev Ram is an American professional tennis player who is a former world no. 1 in doubles.
Vasek Pospisil is a Canadian professional tennis player. Pospisil has a career-high world singles ranking of No. 25, and No. 4 in doubles. Along with partner Jack Sock, he won the 2014 Wimbledon Championships and the 2015 Indian Wells Masters men's doubles titles. He also reached the quarterfinals in singles at the 2015 Wimbledon Championships.
Scott Lipsky is an American former professional tennis player and coach. As a player, Lipsky was primarily a doubles specialist.
Marcelo Fedrizzi Demoliner is a Brazilian professional tennis player. A doubles specialist, he has won five doubles titles. He won his first title at the ATP 250 Antalya Open with Santiago González in June 2018, after having reached six finals at that level. He was runner-up at the ATP 500 Vienna in 2018 and Saint Petersburg in 2020.
Marcus Daniell is a New Zealand professional tennis player. He reached his career-high ATP doubles ranking of world No. 34 on 29 January 2018 after reaching the quarterfinals of the Australian Open. He won a bronze medal in the men's doubles at the 2020 Summer Olympics, alongside Michael Venus.
Jack Sock is an American pickleball player and former professional tennis player. He won four career singles titles and 17 doubles titles on the ATP Tour, and had career-high tennis rankings of world No. 8 in singles and world No. 2 in doubles.
The 2011 ATP World Tour was the elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2011 season. It was the 42nd edition of the tour and the calendar comprised the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP World Tour Masters 1000, the ATP World Tour 500 series, the ATP World Tour 250 series, the ATP World Team Championship, the Davis Cup, and the ATP World Tour Finals. Also included in the 2011 calendar is the Hopman Cup, which does not distribute ranking points, and is organized by the ITF.
Michael Venus is a New Zealand professional tennis player. He has a career-high doubles ranking of world No. 6, achieved on 29 August 2022. Venus won the 2017 French Open men's doubles partnering Ryan Harrison, and followed with a runner-up finish in the 2017 US Open mixed doubles partnering Chan Hao-ching. Venus and Harrison qualified for the year-end championships ATP Finals, where they reached the semifinals.
Sam Barry is an Irish professional tennis player. He was born and raised in Limerick, Ireland.
Liam Tarquin Broady is a British professional tennis player. He reached a career high ranking of world No. 93 on 25 September 2023.
Aleksandr Nedovyesov, formerly known as Oleksandr Nedovyesov and Alexander Nedovesov, is a Ukrainian-Kazakhstani professional tennis player. He reached his highest ATP singles ranking of world No. 72 on 21 April 2014 and doubles ranking of No. 43 on 16 October 2023. He has won two ATP doubles titles with Gonzalo Escobar. He has also reached five doubles ATP finals two in 2022 partnering Aisam-ul-Haq Qureshi, and three in 2023. He represented Ukraine until December 2013.
Leander Adrian Paes is an Indian former professional tennis player. He is regarded as one of the greatest doubles tennis players of all-time and holds the record for the most doubles wins in the Davis Cup. Paes won eight men's doubles and ten mixed doubles Grand Slam titles. He made a total of 34 Grand Slam finals across men's and mixed doubles in his career which is the joint 2nd highest of all-time among men. He holds a career Grand Slam in men's doubles and mixed doubles making him one of only three men in the Open era to achieve this distinction and won the rare men's/mixed double at the 1999 Wimbledon Championships. Paes was also the 1st pair in Open era history together with Mahesh Bhupathi to reach the men's doubles finals of all 4 Grand Slams in the same calendar year(1999).
Wesley Koolhof is a Dutch professional tennis player who specializes in doubles. He has been ranked in doubles as high as world No. 1 by the Association of Tennis Professionals (ATP), which he first achieved in November 2022. Koolhof also attained a career-high singles ranking of world No. 462 in August 2013.
Marcus Willis is a British professional tennis player. Willis made his tour debut at the 2016 Wimbledon Championships after qualifying for the main draw, where he gained recognition after playing against Roger Federer in the second round on Centre Court.
Jay Alexander Clarke is a British tennis player. In 2017, on a Wimbledon wildcard, Clarke and Marcus Willis beat the defending doubles champions and second seeds, Nicolas Mahut and Pierre-Hugues Herbert, in five sets, to progress to the third round. Clarke has won four Futures titles and three Challenger titles.
Nathaniel Lammons is an American professional tennis player who specializes in doubles. He has been ranked by the ATP as high as world No. 22 in doubles, which he achieved on 29 January 2024. He also attained a career-high singles ranking of world No. 591 in January 2019. He has won six ATP doubles titles.
Coleman Wong Chak-lam is a tennis player from Hong Kong.
The 2023 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2023 tennis season. The 2023 ATP Tour calendar comprised the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP Finals, the ATP Tour Masters 1000, the United Cup, the ATP 500 series, the ATP 250 series. Also included in the 2023 calendar were the Davis Cup, Next Gen ATP Finals, Laver Cup, Hopman Cup, none of which distributed ranking points. 2023 marked the return of the ATP tournaments in China after strict COVID-19 protocols in the country.
The 2023 Maspalomas Challenger was a professional tennis tournament played on clay courts. It was the second edition of the tournament which was part of the 2023 ATP Challenger Tour. It took place in Maspalomas, Spain from 27 November to 3 December 2023.
Nicolas Rosenzweig
Nicholas Bybel
Giovani Samaha 
Jonathan Binding
Francesco Ferrari 
Marek Gengel 
Daniil Glinka 
Peter Bothwell 
Michał Dembek
Lamine Ouahab 
Mohamed Nazim Makhlouf
Kelsey Stevenson 
Semen Voronin
Simon Freund 
