Robert Louis Ginepri is a retired American professional tennis player. He won three ATP singles titles in his career and achieved a career-high ranking of World No. 15 in December 2005. Ginepri's best Grand Slam result was the semifinals of the 2005 US Open, where he lost to Andre Agassi.
Bernard Tomic is an Australian professional tennis player whose career-high ranking was world No. 17. As a junior, Tomic enjoyed a successful career in which he won an Orange Bowl title and two junior Grand Slam singles titles, the 2008 Australian Open and 2009 US Open. As a pro, he has won the 2013 Apia International Sydney, 2014 Claro Open Colombia, 2015 Claro Open Colombia and the 2018 Chengdu Open. He made a final appearance at the 2016 Acapulco Telcel and a quarterfinal appearance at the 2011 Wimbledon Championships, as well as at the 2015 BNP Paribas Open, the 2015 Shanghai Masters, and the 2016 Western & Southern Open.
Daniel Evans is a British professional tennis player from England. He has been ranked as high as world No. 22 in singles by the Association of Tennis Professionals (ATP), which he achieved on 27 September 2021, and is the current British No. 2 in singles. He reached a career-high ranking of world No. 52 in doubles on 26 April 2021. In 2015, he formed part of the winning British Davis Cup team.
Go Soeda is a male Japanese tennis player. He started playing tennis at the age of four and turned professional in April 2003. He has won 18 singles titles on the ATP Challenger Tour, and achieved a career-high singles ranking of world No. 47 on 23 July 2012. He is currently coached by Davide Sanguinetti.
Ryan Harrison is an American professional tennis player. Harrison has won one career ATP title in singles at the 2017 Memphis Open to go along with four in doubles, including the 2017 French Open.
John H. MillmanOLY is an Australian professional tennis player and commentator. He reached a career-high singles ranking of world No. 33 in October 2018. He has won one ATP title in his career.
Radu Albot is a Moldovan professional tennis player. He is the first player from Moldova to win ATP singles and doubles titles.
James Duckworth is an Australian professional tennis player. He has a career-high Association of Tennis Professionals (ATP) singles ranking of World No. 47 achieved on 8 November 2021 and No. 185 in doubles achieved on 10 February 2020. As a junior, Duckworth enjoyed a successful career which included winning three titles and reaching the semi-finals of the 2010 French Open. Duckworth represented Australia in tennis at the 2020 Tokyo Olympics and the 2022 ATP Cup.
Dimitar Kuzmanov is a Bulgarian professional tennis player and the current No. 2 Bulgarian in the ATP singles rankings. His highest singles ranking is No. 162 achieved on 15 August 2022, whilst his best doubles ranking is No. 438 achieved on 1 April 2019.
Athanasios "Thanasi" Kokkinakis is an Australian professional tennis player. He has been ranked as high as world No. 69 in singles by the Association of Tennis Professionals (ATP), which he first achieved on 8 June 2015. He has won one ATP Tour title in singles and produced his best Major singles performance at the 2015 French Open by reaching the third round. Kokkinakis also has a career-high doubles ranking of world No. 22 which he attained on 29 August 2022 after winning the 2022 Australian Open and later making the semifinals in Miami with countryman Nick Kyrgios.
Lucas Pouille is a French professional tennis player. He has a career-high ATP singles ranking of world No. 10, achieved on 19 March 2018 and a career-high ATP doubles ranking of world No. 79, achieved on 11 April 2016. He has won five singles titles on the ATP Tour and was on the winning French Davis Cup team in 2017.
Taro Daniel is a Japanese-American professional tennis player. He has won one ATP Tour singles title at the 2018 Istanbul Open, seven ATP Challenger Tour singles titles and achieved a career-high singles ranking of world No. 64 on 27 August 2018.
Benjamin Bonzi is a french tennis player. Bonzi has a career-high ATP singles ranking of world No.44 achieved on 18 July 2022. He also has a career high doubles ranking of world No.124 achieved on 15 August 2022.
Thiago Moura Monteiro is a Brazilian professional tennis player.
Maximilian Marterer is a German tennis player. He has a career high ATP singles ranking of world No. 45, achieved in August 2018.
Alexei Popyrin is an Australian professional tennis player.
Marc-Andrea Hüsler is a Swiss tennis player. He has a career-high ATP singles ranking of world No. 85, achieved on 29 August 2022. In doubles, he achieved a career-high ranking of world No. 132 on 25 October 2021. He is currently the No. 1 Swiss player.
Jiří Lehečka is a Czech tennis player. Lehečka has a career high ATP singles ranking of World No. 59 achieved on 8 August 2022. He also has a career high ATP doubles ranking of World No. 214 achieved on 7 March 2022. Lehečka has a career high ITF junior combined ranking of No. 10 achieved on 11 March 2019. He is currently the No. 1 Czech tennis player in singles.
Holger Vitus Nødskov Rune is a Danish professional tennis player. He has been ranked as high as world No. 27 in singles by the Association of Tennis Professionals (ATP), which he first achieved on 18 July 2022. Rune has won one ATP Tour singles title and he produced his best Grand Slam performance at the 2022 French Open by reaching the quarterfinals in his main draw debut at the tournament.
The 2021 San Marino Open was a professional tennis tournament played on clay courts. The 28th edition of the tournament, which was part of the 2021 ATP Challenger Tour, took place in City of San Marino, San Marino between 9 and 15 August 2021.
San Marino 
