Oleg Ogorodov is a former tennis player, who turned professional in 1995. He represented Uzbekistan at the 1996 Summer Olympics in Atlanta, Georgia. His career high singles rank came on May 13, 1996, when he was ranked 101st in men's singles tennis rankings. Alternatively in doubles his career high came a year later on July 7, 1997, when he ranked 102nd.
Martín Rodríguez is a former professional tennis player from Argentina. Rodríguez turned professional in 1991. He reached his career-high singles ranking when he became World Number 71 on June 14, 1999. On 25 October 2004, he reached his career-high doubles rank, when he became World Number 15.
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.
Alexander Slabinsky is a former professional tennis player who played under the flag of Great Britain. Slabinsky's career high ATP singles ranking was No. 266 and highest doubles ranking is No. 276, and has previously been ranked as the British Men's No.4 in 2008 and 2009.
The Association of Tennis Professionals (ATP) Tour is the elite professional tennis circuit organised by the ATP tour. The 2000 ATP Tour calendar comprises the Grand Slam tournaments, the tennis event at the 2000 Summer Olympics, the Tennis Masters Series, the ATP International Series Gold, the ATP International Series, the ATP World Team Cup, the Tennis Masters Cup and the ATP Tour World Doubles Championships. Also included in the 2000 calendar are the Davis Cup and the Hopman Cup, which do not distribute ranking points, and are both organised by the ITF.
The Association of Tennis Professionals (ATP) Tour is the elite professional tennis circuit organised by the ATP. The 1999 ATP Tour calendar comprises the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP Super 9, the ATP Championship Series, the ATP World Series, the ATP World Team Cup, the ATP Tour World Championships and the Grand Slam Cup. Also included in the 1999 calendar are the Davis Cup and the Hopman Cup, which do not distribute ranking points, and are both organised by the ITF.
The ATP Tour is the elite tour for professional men's tennis organized by the Association of Tennis Professionals (ATP). The ATP Tour includes the four Grand Slam tournaments, the ATP World Tour Finals, the ATP Super 9, the Championship Series and the World Series tournaments.
Michael Lammer is a retired Swiss professional tennis player. At the 2009 Allianz Suisse Open in Gstaad, he won the doubles tournament with compatriot Marco Chiudinelli. It was his only ATP tour title.
Brendan Evans was an American professional tennis player. He is currently a retired professional tennis player.
Pere Riba Madrid is a Spanish former professional tennis player. Riba competed on the ATP Challenger Tour and the ATP World Tour, both in singles and doubles. He reached his highest ATP singles ranking, No. 65, on May 16, 2011, and his highest ATP doubles ranking, No. 81, on June 7, 2010. Riba was coached by former Spanish player Jordi Arrese, and Juanse Martínez. At one point in his career he ranked as the youngest Spaniard in the top 100, but injury saw his ranking drop to as low 843 in early 2013.
João Olavo Soares de Souza is a Brazilian former professional tennis player. Before receiving a lifetime ban for match-fixing, Souza competed mainly on the ATP Challenger Tour, both in singles and doubles. He reached his highest ATP singles ranking, No. 69, on April 6, 2015, and his highest ATP doubles ranking, No. 70, on January 7, 2013. Souza was coached by former Brazilian player Ricardo Acioly. Souza is also known as "Feijão".
Yang Tsung-hua is a Taiwanese professional tennis player. On the junior circuit, Yang reached a career-high combined ranking of No. 1 in 2008, when he won the French Open singles title against Polish player Jerzy Janowicz in two sets, and the Australian Open and Wimbledon doubles titles alongside Hsieh Cheng-peng.
Gianni Mina is a French professional tennis player.
Libuše Průšová is a former professional Czech tennis player.
Constant Lestienne is a French professional tennis player. He competes mainly on the ITF Men's Circuit and ATP Challenger Tour. He reached his highest ATP singles ranking of World No. 61 on 3 October 2022 and his highest doubles ranking of World No. 343 was achieved on 28 May 2018. He has won five ATP Challenger Tour singles titles. In addition, he has won five singles titles and three doubles titles in the ITF Men's Circuit.
Félix Auger-Aliassime is a Canadian professional tennis player. He is the second-youngest player ranked in the top 10 by the Association of Tennis Professionals (ATP), and has a career-high singles ranking of No. 8, which he achieved on 21 August 2022, and doubles ranking of No. 60, attained on 1 November 2021. He has one singles title and one doubles title on the ATP Tour.
Emil Ruusuvuori is a Finnish professional tennis player. He reached a career high ATP singles ranking of World No. 42 on 18 July 2022. 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.
The 2020 International Tennis Federation (ITF) Men's World Tennis Tour is a second-tier tour for Men's professional tennis. It is organized by the International Tennis Federation and is a tier below the ATP Challenger Tour. The ITF Men's World Tennis Tour includes tournaments with prize money ranging from $15,000 to $25,000. The ITF Men's World Tennis Tour is the product of reforms designed to support talented junior players in their progression to the senior game, and target the prize money effectively at professional tournaments to enable more players to make a living.
The 2022 International Tennis Federation (ITF) Men's World Tennis Tour is an entry level tour for Men's professional tennis. It is organized by the International Tennis Federation and is a tier below the ATP Challenger Tour. The Men's ITF World Tennis Tour includes tournaments with prize money of either $US15,000 or $25,000. The results of ITF tournaments are incorporated into the ATP ranking, which enables professionals to progress to the ATP Challenger Tour and ATP Tour, and ultimately the Grand Slams. The Tour offers approximately 550 tournaments across 70 countries.
Jiří Pelikán is a Czech former professional tennis player.
Czech Republic 
