The 2006 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2006 tennis season. The ATP Tour is the elite tour for professional tennis organized by the Association of Tennis Professionals. The ATP Tour includes the four Grand Slam tournaments, the Tennis Masters Cup, the ATP Masters Series, the International Series Gold and the International Series tournaments.
Thiemo Carsten Jannick de Bakker is a Dutch professional tennis player. Considered a top prospect of his generation as a junior, he also made an impressive breakthrough as a young pro, reaching a career-high ranking in singles of World No. 40 achieved on 19 July 2010 and World No. 115 in doubles achieved on 10 February 2014.
Marcelo Arévalo González is a Salvadoran professional tennis player. He has been ranked as high as world No. 5 in doubles by the Association of Tennis Professionals (ATP), which he first achieved on 14 November 2022. Together with his career-high singles ranking of world No. 139, attained in April 2018, Arévalo is the highest-ranked player, male or female, across both disciplines in Salvadoran tennis history.
Thomas Schoorel is a retired Dutch tennis player.
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.
The 2012 ATP World Tour is the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2012 tennis season. The 2012 ATP World Tour calendar comprises the Grand Slam tournaments, 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, the ATP World Tour Finals, and the tennis event at the London Summer Olympic Games. Also included in the 2012 calendar is the Hopman Cup, which is organized by the ITF and does not distribute ranking points.
Austin Krajicek is an American professional tennis player who specializes in doubles. He has been ranked as high as world No. 1 in doubles by the Association of Tennis Professionals (ATP), which he achieved in June 2023, and he also attained his career-high singles ranking of world No. 94 in October 2015.
Neal Skupski is a British professional tennis player of Polish descent who specialises in doubles. He has been ranked as high as world No. 1 in doubles by the Association of Tennis Professionals (ATP), which he first achieved in November 2022. Skupski also attained his career-high singles ranking of world No. 932 in November 2010.
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.
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 ATP doubles titles with Uruguayan partner Ariel Behar and eight Challengers. Escobar has a career high ATP singles ranking of No. 281 achieved on 15 June 2015.
The 2017 ATP World Tour was the global elite men's professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2017 tennis season. The 2017 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000, the ATP Finals, the ATP World Tour 500 series, the ATP World Tour 250 series and the Davis Cup. Also included in the 2017 calendar are the Hopman Cup and the Next Gen ATP Finals, which do not distribute ranking points.
Hsu Yu-hsiou is a Taiwanese tennis player.
Tallon Griekspoor is a Dutch professional tennis player. He has a career-high ATP singles ranking of world No. 29, achieved on 19 June 2023. He also has a career high ATP doubles ranking of World No. 217 achieved on 31 October 2022. Griekspoor is the current Dutch No. 1 men's singles player. He has won a record eight Challenger titles in one season (2021), and became also the first player in history to win five consecutive such titles.
The 2019 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2019 tennis season. The 2019 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Tour Masters 1000, the ATP Finals, the ATP Tour 500 series, the ATP Tour 250 series and Davis Cup. Also included in the 2019 calendar were the Hopman Cup, the Laver Cup and the Next Gen ATP Finals which do not distribute ranking points. For the Masters series events the ATP introduced a shot clock. Players had a minute to come on court, 5 minutes to warmup, and then a minute to commence play, as well as 25 seconds between points.
Sem Verbeek is a Dutch tennis player.
The 2021 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2021 tennis season. The 2021 ATP Tour calendar comprised the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP Tour 500 series and the ATP Tour 250 series. Also included in the 2021 calendar were the Davis Cup, the Summer Olympics in Tokyo, Next Gen ATP Finals, Laver Cup, none of which distributed ranking points.
Justin Eleveld is a Dutch tennis player.
Jan Zieliński is a Polish professional tennis player who specializes in doubles. He has an ATP career-high doubles ranking of world No. 7, which he attained on 19 June 2023. His highest ranking in singles has been No. 769, achieved on 20 September 2021.
Jesper de Jong is a Dutch tennis player. He has a career high ATP singles ranking of world No. 160 achieved on 13 June 2022. He also has a career high doubles ranking of world No. 135 achieved on 23 May 2022. De Jong has won one singles and five ATP Challenger doubles titles.
Oleksii Krutykh is a Ukrainian tennis player.
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