Roger Federer is a Swiss former professional tennis player. He was ranked world No. 1 by the Association of Tennis Professionals (ATP) for 310 weeks, including a record 237 consecutive weeks, and finished as the year-end No. 1 five times. He won 103 ATP singles titles, the second most of all time, including 20 Grand Slam singles titles, a record eight men's singles Wimbledon titles, an Open Era record-tying five men's singles US Open titles, and a record six year-end championships.
Nenad Zimonjić is a Serbian former professional tennis player who was ranked world No. 1 in doubles.
Ivo Karlović is a Croatian professional tennis player. His height of 211 cm makes him the joint tallest ranked tennis player in history, along with Reilly Opelka. He has won eight ATP singles titles between 2007 and 2016. He is a serve-and-volleyer and officially held the record for the fastest serve recorded in professional tennis, measured at 251 km/h (156 mph), before being surpassed unofficially by Samuel Groth in 2012, and officially by John Isner in 2016. In his prime, he was considered one of the best servers on tour, and held the all-time record for career aces with 13,728 before the record was broken by Isner on July 1 2022. This makes him one of only five players in history to surpass 10,000 aces. His height enables him to serve with high speed and unique trajectory.
Daniel Evans is a British professional tennis player from England. He has been ranked as high as world No. 22 in singles by the Association of Tennis Professionals (ATP), which he achieved on 27 September 2021, and is the current British No. 2 in singles. He reached a career-high ranking of world No. 52 in doubles on 26 April 2021. In 2015, he formed part of the winning British Davis Cup team.
Brad Drewett was an Australian tennis player and ATP official. He was the 1975 and 1977 Australian Open junior champion and the youngest player at age 17 to win the title since Ken Rosewall and John Newcombe. He was also the third-youngest Australian Open quarterfinalist in his first Grand Slam appearance, at 17 years 5 months in 1975, behind Boris Becker, 17 years 4 days in 1984 and Goran Ivanišević, 17 years 4 months in 1989.
Gastão José Ministro Elias is a Portuguese professional tennis player, who competes on the ATP World Tour. He became the fifth Portuguese tennis player to break into the top 100 of the Association of Tennis Professionals singles rankings. In October 2016, he reached a career-high singles ranking of world No. 57 to become the second-highest-ranked Portuguese player, after João Sousa.
Jean-Julien Rojer is a Dutch professional tennis player from Curaçao, who specialises in doubles.
Aljaž Bedene is a Slovenian former professional tennis player. He was a naturalised Briton and played with this nationality from 2015 to 2017, returning to represent Slovenia in 2018.
Malek Jaziri is a Tunisian professional tennis player. Jaziri reached his highest singles ranking on the ATP Tour of World No. 42 in January 2019. He reached the final of 2018 Istanbul Open, the semifinals of Moscow in 2012, Winston-Salem in 2015, Dubai in 2018 and the quarterfinals of Dubai in 2014.
Nikola Ćaćić is a Serbian professional tennis player. He has a career-high ranking of World No. 35 in doubles achieved on 8 November 2021. He has won three doubles titles in the ATP Tour, four doubles titles in the ATP Challenger Tour, as well as five singles and 32 doubles titles in ITF Futures tournaments.
Denys Petrovych Molchanov is a Ukrainian tennis player playing on the ATP Challenger Tour winning 15 singles and 62 doubles titles. He has also won one ATP doubles title. On 5 January 2015 he reached his highest ATP singles ranking of World No. 169, whilst his highest doubles ranking of No. 63 was reached on 22 July 2019. He also played for the Ukraine Davis Cup team.
Tim Pütz is a German professional tennis player who specialises in doubles.
Taro Daniel is a Japanese-American professional tennis player. He has won one ATP Tour singles title at the 2018 Istanbul Open, seven ATP Challenger Tour singles titles and achieved a career-high singles ranking of world No. 64 on 27 August 2018.
Peđa Krstin is a Serbian professional tennis player.
Gonzalo Escobar is an Ecuadorian tennis player. His career-high doubles ranking is World No. 38, achieved on 15 November 2021. He has won three doubles titles with Uruguayan partner Ariel Behar. Escobar has a career high ATP singles ranking of No. 281 achieved on 15 June 2015.
João Domingues is a Portuguese tennis player who currently competes on the ATP Challenger as well as the ATP World Tour. In 2015, Domingues made his debut for Portugal Davis Cup team. In February 2020, he achieved a career-high singles world ranking No. 150.
Aleksandre Metreveli, nicknamed Sandro, is a Georgian tennis player. Metreveli has a career high ATP singles ranking of World No. 264 achieved on 6 June 2016. His career high ATP doubles ranking of World No. 184 was achieved on 25 July 2015. He has won 7 ITF singles titles and 4 ITF doubles titles.
Skander Mansouri is a Tunisian tennis player.
Kwon Soon-woo is a South Korean professional tennis player. He has been ranked as high as world No. 52 ranking by the Association of Tennis Professionals (ATP), which he first achieved in November 2021. He also has a career-high doubles ranking of world No. 269, attained in May 2022. Since turning professional in 2015, Kwon has won five singles titles on the ITF World Tennis Tour and three on the ATP Challenger Tour. He broke into the top 100 of the ATP singles rankings in August 2019 after reaching the quarterfinals at the Los Cabos Open and contested his first ATP Tour final at the Astana Open in September 2021, where he won his maiden title and made his top 60 debut.
Courtney John Lock is a Zimbabwean tennis player.
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