Jarkko Kalervo Nieminen is a Finnish former professional tennis player. His highest ranking of world No. 13, achieved in July 2006, is a Finnish record. He has won two ATP singles titles and five doubles titles in his career. His best performances in Grand Slam tournaments have been reaching the quarterfinals of the 2005 US Open, the 2006 Wimbledon Championships, and the 2008 Australian Open.
Nicolas Pierre Armand Mahut is a French professional tennis player who is a former world No. 1 in doubles.
Marcelo Pinheiro Davi de Melo is a Brazilian professional tennis player from Belo Horizonte. Primarily a doubles specialist, his career-high doubles ranking is No. 1, which he first reached in November 2015. Melo is the only Brazilian ever to top the ATP doubles rankings.
John William Peers is an Australian professional tennis player who specialises in doubles.
Leonardo Martín Mayer is a former professional tennis player from Argentina. Mayer achieved a career-high singles ranking of world No. 21 in June 2015 and world No. 48 in doubles in January 2019. He was coached by Alejandro Fabbri and Leo Alonso. He was born in Corrientes and resides in Buenos Aires.
Pierre-Hugues Herbert is a French professional tennis player. In doubles, he has completed the Career Grand Slam with titles at the 2015 US Open, the 2016 Wimbledon Championships, the 2018 French Open, the 2021 French Open, and the 2019 Australian Open partnering Nicolas Mahut. His career-high doubles ranking is World No. 2 achieved on 11 July 2016. The pair have also claimed seven ATP Tour Masters 1000 titles and ATP Finals titles in 2019 and 2021. In singles, Herbert has reached four ATP career finals and achieved his career-high singles ranking of world No. 36 on 11 February 2019.
Henri Kontinen is an inactive Finnish professional tennis player who is a former world No. 1 in doubles.
Víctor Estrella Burgos is a retired Dominican 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 Bogota. 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.
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.
Andrei Aleksandrovich Vasilevski is a Belarusian professional tennis player. He has a career-high doubles ranking of World No. 52 achieved on 5 February 2018. He is currently the No. 1 Belarusian doubles player. Vasilevski has competed for the Belarus Davis Cup team since 2009.
Markus Eriksson is a retired Swedish tennis player. Eriksson has a career high ATP singles ranking of 277, achieved on 19 August 2019.
Costin Pavăl is a Romanian tennis player.
Rémi Boutillier is a French tennis player.
Andrea Collarini is an Argentinian–American tennis player.
The 2016 ATP World Tour was the global elite professional tennis circuit organized by the Association of Tennis Professionals (ATP) for the 2016 tennis season. The 2016 ATP World Tour calendar comprised the Grand Slam tournaments, the ATP World Tour Masters 1000s, the ATP World Tour 500 series, the ATP World Tour 250 series, the Davis Cup, and the ATP World Tour Finals. Also included in the 2016 calendar were the tennis events at the 2016 Summer Olympics and Hopman Cup, neither of which distributed ranking points.
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.
Akira Santillan is a Japanese born, Australian tennis player.
Scott Clayton is a former British 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.
The 2022 ATP Tour is the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2022 tennis season. The 2022 ATP Tour calendar comprises the Grand Slam tournaments, the ATP Finals, the ATP Tour Masters 1000, the ATP Cup, the ATP 500 series and the ATP 250 series. Also included in the 2022 calendar are the Davis Cup, Wimbledon, the Next Gen ATP Finals, and Laver Cup, none of which distribute ranking points.
Finland 
