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, and five singles and 32 doubles titles in ITF Futures tournaments.
The 2014 Swiss Indoors was a men's tennis tournament played on indoor hard courts. It was the 45th edition of the event known as the Swiss Indoors, and part of the 500 series of the 2014 ATP World Tour. It was held at the St. Jakobshalle in Basel, Switzerland, from 20 October through 26 October 2014. First-seeded Roger Federer won the singles title.
Marc David Polmans is a South African-born Australian professional tennis player. Polmans has a career high ATP singles ranking of World No. 116 achieved on 12 October 2020. He also has a career high ATP doubles ranking of World No. 68 achieved on 16 October 2017. He won the 2015 Australian Open boys' doubles title with fellow Australian Jake Delaney, defeating Hubert Hurkacz and Alex Molčan in the final. He reached the semifinal of the 2017 Australian Open doubles with Andrew Whittington.
Oriol Roca Batalla is a professional Spanish tennis player who competes on the ATP Challenger and ITF Futures tour level.
Grégoire Barrère is a French professional tennis player. He has a career high ATP singles ranking of No. 49, which was achieved on 3 July 2023. He also has a career-high ATP doubles ranking of No. 161 achieved on 26 April 2021. Barrère has won five ATP Challenger Tour and six ITF Futures singles titles as well as five Challenger and six ITF doubles titles in his career.
Johan Nikles is a Swiss tennis player.
Antoine Bellier is a Swiss professional tennis player. He has a serve-and-volley style of play. He has a career high ATP singles ranking of world No. 168, achieved on 10 April 2023. He also has a career-high ATP doubles ranking of world No. 342 achieved on 17 April 2023. Bellier has won one ATP Challenger and four ITF singles titles as well as twelve doubles titles on the ITF Men's Circuit. Bellier has represented Switzerland in Davis Cup, where he has a win–loss record of 1–4.
Christopher Eubanks is an American professional tennis player. He played college tennis for the Georgia Tech Yellow Jackets. There, he was a two-time All-American and twice named ACC Player of the Year. He has a career-high ATP singles ranking of world No. 29, achieved on July 31, 2023. In doubles, he achieved a career-high ranking of world No. 182 on September 14, 2020.
Sun Fajing is a Chinese tennis player.
Marc-Andrea Hüesler is a Swiss professional tennis player. He has a career-high singles ranking by the ATP of world No. 47, achieved on 13 February 2023. In doubles, he achieved a career-high ranking of world No. 132 on 25 October 2021. He is currently the No. 5 Swiss player.
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 World No. 268 achieved on 15 July 2019. He is currently the No. 3 Austrian player.
Manuel Guinard is a French tennis player. Guinard competes mainly on the ITF Men's Circuit and ATP Challenger Tour. He has a career high ATP singles ranking of World No. 134 achieved on 31 October 2022, and a career high ATP doubles ranking of World No. 114 achieved on 26 February 2024.
Leandro Riedi is a Swiss professional tennis player. He has a career-high ATP singles ranking of world no. 126 achieved on 20 March 2023. He also has a career-high ATP doubles ranking of world no. 211 achieved on 6 February 2023.
Arthur Cazaux is a French professional tennis player. He has a career high ATP singles ranking of world No. 74 achieved on 18 March 2024. He also has a career high doubles ranking of world No. 430, achieved on 1 November 2021. Cazaux has won 3 singles Challenger titles and 3 singles ITF titles.
Dominic Stephan Stricker is a Swiss professional tennis player. He has a career high ATP singles ranking of No. 88 achieved on 2 October 2023. He also has a career high ATP doubles ranking of No. 161 achieved on 27 June 2022. He is currently the No. 2 Swiss player. On the junior tour, he had a career high junior ranking of No. 8, achieved on 3 February 2020.
Zizou Bergs is a Belgian professional tennis player. He has a career high ATP singles ranking of World No. 103 achieved on 22 April 2024. He also has a career high ATP doubles ranking of World No. 265 achieved on 27 November 2023. He is currently the No. 1 Belgian singles tennis player.
Mili Poljičak is a Croatian professional tennis player.
Alexander Alexandrovich Shevchenko is a Russian-born, Kazakhstani professional tennis player.
James McCabe is an Australian professional tennis player. He has a career high ATP singles ranking of 258 achieved on 18 September 2023 and a career high ATP doubles ranking of 302 achieved on 31 July 2023.
The 2023 Swiss Indoors was a men's tennis tournament played on indoor hard courts. It was the 52nd edition of the event, and part of the 500 series of the 2023 ATP Tour. It was held at the St. Jakobshalle in Basel, Switzerland, from 23 October until 29 October 2023. Sixth-seeded Félix Auger-Aliassime won his second consecutive singles title at the event.
Switzerland 
