Robert "Bob" Charles Bryan is an American former doubles world No. 1 tennis player. He won 23 major titles: 16 in men's doubles and 7 in mixed doubles. He turned professional in 1998. With his twin brother Mike, he was the world No. 1 doubles player for several years, first achieving the top ranking in September 2003. The brothers were named the ATP Team of the Decade for 2000–2009. They became the second men's doubles team to complete the career Golden Slam at the 2012 London Olympics.
Peter Rennert is a former professional tennis player from the United States. He achieved career-high rankings of World No. 40 in singles, and World No. 8 in doubles. At the 1977 Maccabiah Games in Israel, he and partner Joel Ross won the men's doubles gold medal, and he and Stacy Margolin won the gold medal in mixed doubles.
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 two with Kazakhstani Aleksandr Nedovyesov. Escobar also has a career high ATP singles ranking of No. 281 achieved on 15 June 2015.
Andrea Collarini is an Argentine-American tennis player. who competes mainly on the ATP Challenger Tour. He has a career high ATP singles ranking of No. 177 achieved on 24 April 2023. He also has a career high ATP doubles ranking of No. 193 achieved on 1 August 2022. He has won two ATP Challenger and 15 ITF singles titles, and two Challenger and 10 ITF doubles titles.
Hans Hach Verdugo is a Mexican tennis player.
Akira Santillan is an Australian tennis player. He represents Australia in competitions, though he played for Japan from 2015 to 2017.
Altuğ Çelikbilek is a Turkish professional tennis player.
Diego Hidalgo is an Ecuadorian tennis player.
André Göransson is a Swedish tennis player. He has a career-high ATP singles ranking of world No. 773, achieved on 25 September 2017, and in doubles a ranking of world No. 55, achieved on 3 April 2023. He is the current No. 1 Swedish doubles player. Göransson has won seven ATP Challenger doubles titles and two Futures doubles titles.
Szymon Walków is a Polish tennis player who specialises in doubles. He has a career high ATP singles ranking of World No. 818 achieved on 3 December 2018. He also has a career high doubles ranking of World No. 86 achieved on 13 June 2022. He has reached one ATP doubles final. Additionally, he has reached 40 career doubles finals with a record of 23 wins and 17 losses, which includes a 11–7 record in ATP Challenger Tour doubles finals. He reached one singles final, winning the title at the Poland F4 futures tournament in Koszalin in 2018.
Ivan Sabanov is a Serbian tennis player who formerly represented Croatia. He has won one ATP doubles title and 28 ITF doubles titles. Sabanov has a career high ATP singles ranking of World No. 907 achieved on 25 August 2014. He also has a career high ATP doubles ranking of World No. 77 achieved on 11 April 2022.
Matej Sabanov is a Serbian tennis player who formerly represented Croatia. He has won one ATP doubles title and 28 ITF doubles titles. Sabanov has a career high ATP singles ranking of 640 achieved on 20 October 2014. He also has a career high ATP doubles ranking of World No. 72 achieved on 18 April 2022.
Eliot Spizzirri is an American tennis player. Spizzirri has a career-high ATP singles ranking of No. 620 on 25 July 2022 and a doubles ranking of No. 600 on 26 February 2024. Spizzirri won the 2019 US Open – Boys' doubles title with fellow American Tyler Zink.
Michail Pervolarakis is a Cypriot-born Greek tennis player.
Alex Clayton is an American tennis player.
Arthur Fery is a British tennis player.
Alexis Galarneau is a Canadian tennis player.
Oleksii Krutykh is a Ukrainian tennis player.
Julian Cash is a British tennis player.
Ozan Baris, previously known as Ozan Colak, is an American tennis player.
United States
