Nicolás Alejandro Massú Fried, nicknamed El Vampiro, is a Chilean former professional tennis player and a coach. A former world No. 9 in singles, he won the singles and doubles gold medals at the 2004 Athens Olympics. He is the only man to have won both gold medals at the same Games since the re-introduction of Olympic tennis in 1988, and they were the first two Chile's Olympic gold medals. Massú also reached the final of the 2003 Madrid Masters and won six singles titles. He was the coach of 2020 US Open champion and former world No. 3 Dominic Thiem from 2019 to 2023.
Luis Horna Biscari is a former tour professional tennis player from Peru, who turned professional in 1998. Known by his nickname "Lucho", he won 2 career singles titles, reached the quarterfinals of the 2004 Madrid Masters and achieved a career-high singles ranking of World No. 33 in August 2004.
André Rezende Sá is a former Brazilian tennis player.
Mauricio Echazú Puente is an inactive Peruvian tennis player nicknamed "Garrita" because of his grinding playing style and fight spirit. He is a regular member of the Peruvian Davis Cup team.
Víctor Estrella Burgos is a Dominican former professional tennis player. In 2014, Estrella became the first Dominican to reach the top 100 in the ATP rankings. He also became the first Dominican player to reach the semifinals in an ATP 250 tournament in Bogotá. In 2015, he also became the first tennis player from his country to participate in all four Grand Slams, playing in the Australian Open. In February 2015, he won his first career ATP title at the Ecuador Open, becoming the oldest first-time ATP tour winner in the Open Era. He successfully defended his title with a 100% winning record at the event in 2016 and 2017, but lost in the second round in 2018.
Jocelyn Robichaud is a former tour professional tennis player. Robichaud captured three junior Grand Slam titles and played Davis Cup for Canada. More of a doubles specialist, he won three Challenger events in doubles and reached a career-high ATP doubles ranking of World No. 119.
Aliaksandr Ivanavich Bury, is a Belarusian inactive professional tennis player who competed mainly on the ATP Challenger Tour and ITF Futures, both in singles and doubles.
Roberto Maytín was born 2 January 1989, in Carabobo. He is a Venezuelan tennis player, who played for the Venezuelan Davis Cup squad in 2012. In 2015 he broke into the top 100 doubles rankings reaching a high of 86 in the world.
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.
Dimitar Kuzmanov is a Bulgarian professional tennis player. He competes on the ATP Challenger Tour. His highest singles ranking is No. 159 achieved on 29 August 2022, whilst his best doubles ranking is No. 438 achieved on 1 April 2019.
Henri Joona Julius Laaksonen is a Swiss professional tennis player. His highest singles ranking is world No. 84, which he achieved on 14 February 2022, and his highest doubles ranking is world No. 191, achieved on 24 December 2018.
Markus Eriksson is a retired Swedish tennis player. Eriksson has a career high ATP singles ranking of 277, achieved on 19 August 2019.
Darian King is a Barbadian tennis player. He has a career-high Association of Tennis Professionals (ATP) singles ranking of world No. 106 achieved on 8 May 2017, and a career-high ATP doubles ranking of No. 156 achieved on 21 October 2019. He has represented Barbados at the Davis Cup and at the 2016 Olympics. His first Grand Slam appearance came at the 2017 US Open, where he lost to fourth seed Alexander Zverev in straight sets.
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 Ariel Behar and three with Kazakhstani Aleksandr Nedovyesov. Escobar also 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.
Juan Pablo Varillas Patiño-Samudio is a Peruvian professional tennis player. Varillas has a career-high ATP singles ranking of No. 60 achieved on 26 June 2023. He is currently the No. 1 Peruvian tennis player.
Diego Hidalgo is an Ecuadorian tennis player who specializes in doubles. He has a career high ATP doubles ranking of world No. 61 achieved on 1 July 2024. He also has a career high singles ranking of No. 358 achieved on 3 February 2020.
Alexander Donski is a Bulgarian tennis player.
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.
Denis Yevseyev is a Kazakh tennis player who competes on the ATP Challenger Tour. He has a career high ATP singles ranking of world No. 153 achieved on 22 July 2024. He also has a career high ATP doubles ranking of No. 247 achieved on 12 July 2021.
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