Christian Harrison is an American professional tennis player. He has a career-high ranking of world No. 198 achieved on 2 July 2018 and a doubles ranking of No. 84 achieved on 2 December 2024.
Hunter Reese is an American tennis player who specializes in doubles. He has a career-high doubles ranking of No. 73 achieved on 27 June 2022. Reese currently competes mainly on the ATP Challenger Tour where he has won 10 titles.
Benjamin Bonzi is a French professional tennis player. Bonzi has a career-high ATP singles ranking of world No. 42 achieved on 6 February 2023. He also has a career high doubles ranking of world No. 121 achieved on 19 September 2022.
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.
Vijay SP Natarajan is an Indian professional tennis player. He has a career-high ATP doubles ranking of No. 80 achieved on 29 January 2024. He also has a career-high ATP singles ranking of No. 335 achieved on 5 October 2015.
Jeffrey John "J. J." Wolf is an American professional tennis player. He has a career-high ATP singles ranking of world No. 39, achieved on 13 February 2023. Wolf played collegiately at Ohio State University.
Federico Coria is an Argentine professional tennis player. He has a career-high ATP singles ranking of No. 49 achieved on 13 February 2023. He also has a career-high doubles ranking of No. 238, achieved on 22 November 2021. Coria has won six ATP Challenger singles titles and one doubles title.
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.
Dalibor Svrčina is a Czech tennis player. He has achieved a career-high ATP singles ranking of No. 154 on 2 October 2023 and a doubles ranking of No. 276 on that same date.
Jonáš Forejtek is a professional tennis player from the Czech Republic. Forejtek has a career high ATP singles ranking of World No. 217, achieved on 1 August 2022. He also has a career high ATP doubles ranking of World No. 302, achieved on 28 February 2022. Forejtek has reached five career singles finals, with a record of 2 wins and 3 losses all on the ITF Futures Tour. Additionally, he has reached five career doubles finals, with a record of 4 wins and 1 loss which includes a 2–0 record in ATP Challenger Tour finals.
Leandro Riedi is a Swiss professional tennis player. He has a career-high ATP singles ranking of world No. 117 achieved on 5 August 2024. He also has a career-high ATP doubles ranking of No. 211 achieved on 6 February 2023. He is currently the No. 3 Swiss player.
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 Forti is an Italian tennis player.
Liam Draxl is a Canadian tennis player. He has a career-high ATP singles ranking of world No. 208 achieved on 13 January 2025 and a doubles ranking of No. 132 achieved in December 2024.
Oleksii Krutykh is a Ukrainian tennis player. He has a career high ATP singles ranking of World No. 160 achieved on 27 February 2023. He also has a career high doubles ranking of World No. 275 achieved on 5 December 2022. He has won two ATP Challenger singles titles and two doubles titles.
The 2023 ATP Tour was the global elite men's professional tennis circuit organised by the Association of Tennis Professionals (ATP) for the 2023 tennis season. The 2023 ATP Tour calendar comprised the Grand Slam tournaments, supervised by the International Tennis Federation (ITF), the ATP Finals, the ATP Tour Masters 1000, the United Cup, the ATP 500 series, the ATP 250 series. Also included in the 2023 calendar were the Davis Cup, Next Gen ATP Finals, Laver Cup, Hopman Cup, none of which distributed ranking points. 2023 marked the return of the ATP tournaments in China after strict COVID-19 protocols in the country.
Kelsey Stevenson is a Canadian tennis player.
Gabriel Diallo is a Canadian professional tennis player. He has a career-high ATP singles ranking of world No. 86, achieved on 11 November 2024 and a doubles ranking of No. 321 achieved on 8 January 2024.
James Kent Trotter is a Japanese tennis player. He has a career high ATP singles ranking of world No. 182 achieved on 18 November 2024 and a doubles ranking of No. 142 achieved on 9 September 2024.
Justin Boulais is an American-born Canadian tennis player.
United States