Benjamin Nicholas Monroe is an American former professional tennis player. Monroe was a doubles specialist. He reached a career-high ATP doubles ranking of No. 30 on 2 October 2017 and won four ATP Tour doubles titles and thirteen ATP Challenger Tour titles in his career.
Matwé Middelkoop is a Dutch professional tennis player who specialises in doubles. He has won 14 doubles titles on the ATP Tour, most notably the 2022 Rotterdam Open alongside Robin Haase, and reached a career high doubles ranking of world No. 18 on 6 February 2023.
Andrey Golubev is a Kazakhstani professional tennis player. His career-high singles ranking is world No. 33, achieved on 4 October 2010, and his doubles ranking is world No. 21, achieved on 16 May 2022. He is currently the No. 2 Kazakhstani doubles player. Golubev won the 2010 International German Open, an ATP 500 event, to claim Kazakhstan's first-ever ATP Tour title. In 2021, he reached the French Open men's doubles final with fellow Kazakhstani Alexander Bublik. Before 2008, Golubev played for his country of birth, Russia.
Harri Heliövaara is a Finnish professional tennis player. His highest ranking in singles is World No. 194, which he achieved on 19 December 2011. His highest ranking in doubles is world No. 7, which he achieved on 12 June 2023. He won his first Grand Slam at the 2023 US Open mixed doubles event. In doubles he has won four ATP Tour titles, his first alongside Lloyd Glasspool at the 2021 Open 13, 13 ATP Challenger tournaments, his first in 2011 in Tashkent, Uzbekistan. He has also won 20 ITF Futures in doubles and eight ITF Futures tournaments in singles. He won the 2007 Australian Open boys' doubles title with Graeme Dyce.
Guido Pella is an Argentine former professional tennis player. In August 2019, Pella reached his career best world No. 20 in singles. In July 2019, he peaked at No. 55 in doubles.
Gianluigi Quinzi, is a former tennis player from Italy. On 15 April 2019 he reached his career-high singles ranking of World No. 142 on the ATP World Tour rankings. He reached his career high ranking of No. 1 in ITF Juniors rankings on 1 January 2013.
Nicolás Jarry Fillol is a Chilean professional tennis player. He achieved his highest ATP singles ranking of world No. 20 in October 2023 and is the current Chilean and Latin American No. 1. His highest doubles ranking of world No. 40 was achieved in March 2019. He has won three ATP titles, in singles at Båstad 2019, Santiago 2023 and Geneva 2023. He also has won two titles in doubles on the ATP Tour.
Benjamin Bonzi is a French professional tennis player. Bonzi has a career-high ATP singles ranking of world No. 42 achieved on 6 February 2023. He also has a career high doubles ranking of world No. 121 achieved on 19 September 2022.
Roman Rishatovich Safiullin is a Russian professional tennis player. Safiullin has a career high ATP singles ranking of world No. 41 achieved on 25 September 2023, and doubles of world No. 239 achieved on 7 February 2022.
Marc David Polmans is a South African-born Australian professional tennis player. Polmans has a career high ATP singles ranking of World No. 116 achieved on 12 October 2020. He also has a career high ATP doubles ranking of World No. 68 achieved on 16 October 2017. He won the 2015 Australian Open boys' doubles title with fellow Australian Jake Delaney, defeating Hubert Hurkacz and Alex Molčan in the final. He reached the semifinal of the 2017 Australian Open doubles with Andrew Whittington.
Constant Lestienne is a French professional tennis player. He reached his highest ATP singles ranking of World No. 48 on 6 February 2023 and his highest doubles ranking of World No. 250 was achieved on 12 June 2023. He has won eight ATP Challenger singles titles. In addition, he has won five singles titles and three doubles titles on the ITF Circuit.
Casper Ruud is a Norwegian professional tennis player. Ruud has a career-high singles ranking of world No. 2, achieved on 12 September 2022, making him the highest-ranked Norwegian in history. He has won ten ATP Tour singles titles and finished runner-up at three Grand Slams and at the 2022 ATP Finals.
Zhang Zhizhen is a Chinese professional tennis player. He reached his career-high singles ranking of world No. 52 on 26 June 2023, and his career-high doubles ranking of world No. 211 in September 2017. He has won three singles and two doubles titles on the ATP Challenger, and two singles and two doubles titles on the ITF Futures Tour. In 2021, Zhang became the first Chinese man in the Open Era to play in the main draw at Wimbledon. In October 2022, he became the first Chinese player to reach the top 100 in the ATP singles rankings. Then, in 2023 in Madrid, he became the first Chinese man to reach an ATP Tour Masters 1000 quarterfinal. As of July 2023, he became the highest-ever ranked Chinese male tennis player.
Miomir Kecmanović is a Serbian professional tennis player. Kecmanović reached his best singles ranking of world No. 27 on 16 January 2023 and he peaked at world No. 135 on 10 April 2023 in the doubles rankings. He has won one singles and one doubles ATP titles, as well as two Challenger titles in his career. He is currently the No. 4 Serbian player.
Emil Ruusuvuori is a Finnish professional tennis player. He reached a career high ATP singles ranking of World No. 37 on 3 April 2023. He is currently the No. 1 Finnish singles tennis player. He has a career-high doubles ranking of World No. 179 achieved on 2 May 2022.
Corentin Moutet is a French professional tennis player.
Hugo Gaston is a French tennis player. His career high ATP ranking in singles is world No. 58, which he achieved on 11 July 2022, and in doubles is world No. 220, which he achieved on 16 May 2022. He won the 2018 Australian Open – Boys' doubles title with compatriot Clément Tabur.
Jonáš Forejtek is a professional tennis player from the Czech Republic. Forejtek has a career high ATP singles ranking of World No. 217, achieved on 1 August 2022. He also has a career high ATP doubles ranking of World No. 302, achieved on 28 February 2022. Forejtek has reached five career singles finals, with a record of 2 wins and 3 losses all on the ITF Futures Tour. Additionally, he has reached five career doubles finals, with a record of 4 wins and 1 loss which includes a 2–0 record in ATP Challenger Tour finals.
Holger Vitus Nødskov Rune is a Danish professional tennis player. He has been ranked as high as world No. 4 in men's singles by the Association of Tennis Professionals (ATP), making him the highest-ranked male Danish player in the history of the ATP rankings.
Rinky Hijikata is an Australian professional tennis player. Following a successful career at the University of North Carolina at Chapel Hill, Hijikata went professional and has a career high ATP singles ranking of world No. 70 achieved on 16 October 2023 and in doubles of world No. 24 achieved on 23 October 2023.
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