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.
Horacio Zeballos Jr. is an Argentine professional tennis player. He reached a career-high doubles ranking of world No. 1 on 6 May 2024, becoming the first Argentinian man to achieve the feat. He also has a career-high singles ranking of No. 39 achieved on 4 March 2013.
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.
Yasutaka Uchiyama is a Japanese tennis player playing on the ATP Challenger Tour. He achieved a career-high ATP singles ranking of world No. 78 on 4 November 2019 and doubles ranking of No. 102 on 20 August 2018. He is currently the No. 3 Japanese player. He has won seven ATP Challenger and nine ITF Tour Futures singles titles.
Ricardo Rodríguez-Pace is a Venezuelan professional tennis player. He achieved a career high ATP ranking of World No. 282 on June 9, 2014. Born in Caracas, Venezuela, Rodríguez started playing tennis at the age of seven and achieved more success on singles. He entered the pro circuit in 2008 and has won ten Futures tournaments in singles and nine in doubles. Rodríguez is also a member of the Venezuela Davis Cup team where he holds the record of most singles victories in the history of Venezuela (22-9) in 17 appearances.
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.
Felipe Meligeni Rodrigues Alves is a Brazilian professional tennis player. He has a career high ATP singles ranking of No. 129 achieved on 19 June 2023 and a career high ATP doubles ranking of No. 75 achieved on 20 June 2022. He is currently the No. 3 Brazilian tennis player.
Hsu Yu-hsiou is a Taiwanese tennis player. He has a career high ATP singles ranking of world No. 158 achieved on 16 October 2023. He also has a career high ATP doubles ranking of world No. 149 achieved on 11 July 2022. Hsu is currently the No. 2 Taiwanese tennis player.
Zsombor Piros is a Hungarian professional tennis player. Piros has a career-high ATP singles ranking of world No. 106, achieved on 4 March 2024. He also has a career-high ATP doubles ranking of world No. 991, achieved on 8 August 2022. He is currently the No. 3 Hungarian player.
Adrian Andreev is a Bulgarian professional tennis player, who competes mainly on the ATP Challenger Tour. He has a career-high ATP singles ranking of World No. 183 achieved on 18 September 2023. He won the 2018 US Open Junior doubles title with Anton Matusevich. He also has a career-high doubles ranking of world No. 584 achieved on 12 September 2022. He is currently the No. 2 Bulgarian 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.
Jurij Rodionov is an Austrian professional tennis player. He has a career high ATP singles ranking of world No. 87 achieved on 19 February 2024. He also has a career high doubles ranking of No. 254 achieved on 9 September 2024. He is currently the No. 2 Austrian player.
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.
Nuno Borges is a Portuguese professional tennis player. Borges has a career high ATP singles ranking of world No. 30 achieved on 9 September 2024 and a doubles ranking of No. 69 achieved on 19 September 2022. He is currently the No. 1 ranked Portuguese player.
Francesco Passaro is an Italian tennis player. He reached a career high ATP singles ranking of world No. 106 on 9 September 2024 and a doubles ranking of No. 256 on 20 February 2023.
Adolfo Daniel Vallejo is a Paraguayan tennis player. Vallejo has a career-high ATP singles ranking of world No. 287 achieved on 24 June 2024. He is currently the No. 1 Paraguayan tennis player.
Coleman Wong Chak-lam is a tennis player from Hong Kong. He has a career high ATP singles ranking of No. 134 achieved on 23 September 2024 and a doubles ranking of No. 468 achieved on 9 September 2024. He is the highest-ranked male Hong Kong tennis player in history, having cracked the top 300 and later the top 150 in the rankings.
Vilius Gaubas is a Lithuanian tennis player. He has a career-high ATP singles ranking of world No. 180 achieved on 23 September 2024. He is currently the No. 1 Lithuanian player.
Gabriel Debru is a French tennis player. He has a career high ATP singles ranking of world No. 269 achieved on 23 September 2024 and a doubles ranking of No. 356 achieved on that same date.
Mark Lajal is an Estonian tennis player. He has a career high ATP singles ranking of world No. 191, achieved on 20 November 2023. He also has a career high ATP doubles ranking of No. 710, achieved on 9 September 2024. He is currently the No. 1 Estonian player.
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