The ATP Tour is the sole worldwide top-tier tennis tour for men organized by the Association of Tennis Professionals founded in 1990 that replaced the earlier dual Grand Prix Circuit and WCT Circuit. The second-tier tour is the ATP Challenger Tour and the third-tier is the ITF Men's World Tennis Tour. The equivalent women's organisation is the WTA Tour.
The ATP Challenger Tour, known until the end of 2008 as the ATP Challenger Series, is a series of international men's professional tennis tournaments. The Challenger Tour events are the second-highest tier of tennis competition, behind the ATP Tour. The ITF World Tennis Tour tournaments are on the entry-level of international professional tennis competition. The ATP Challenger Tour is administered by the Association of Tennis Professionals. Players who succeed on the ATP Challenger Tour earn sufficient ranking points to become eligible for main draw or qualifying draw entry at ATP Tour tournaments. Players on the Challenger Tour are usually young players looking to advance their careers, those who fail to qualify for ATP events, or former ATP players looking to get back into the big tour.
The Open Castilla y León is a professional tennis tournament played on outdoor hard courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour and the International Tennis Federation (ITF) Women's Circuit. It has been held annually at the Villa de El Espinar in El Espinar, Segovia Province, Spain since 1986. The women's event was added to the tournament in 2015.
The Brawo Open, known as Nord/LB Open until 2010 and the Sparkassen Open until 2021, is a professional tennis tournament played on outdoor red clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually at the Braunschweiger Tennis- und Hockey Club in Braunschweig, Germany, since 1994.
The 2010 Tail Savannah Challenger was a professional tennis tournament played on outdoor green clay courts. It was part of the 2010 ATP Challenger Tour. It took place in Savannah, United States between May 3 and May 9, 2010.
The 2011 Savannah Challenger was a professional tennis tournament played on clay courts. It was the third edition of the tournament which was part of the 2011 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 2 and 8 May 2011.
Bjorn Fratangelo is an American inactive professional tennis player and coach.
The 2012 Savannah Challenger was a professional tennis tournament played on clay courts. It was the fourth edition of the tournament which was part of the 2012 ATP Challenger Tour. It took place in Savannah, United States between 23 and 29 April 2012.
The 2013 Savannah Challenger was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 22 and 28 April 2013.
The 2014 Savannah Challenger was a professional tennis tournament played on clay courts. It was the fifth edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 21 and 27 April 2014.
The Internazionali di Tennis San Marino Open is a professional tennis tournament played on red clay. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour and has been held annually in San Marino since 1988. For the first three years it was held at Centro Sportivo Serravalle before moving to its current home in 1991, the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino.
The 2015 Savannah Challenger was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Savannah, United States between 20 and 26 April 2015.
The 2016 Savannah Challenger was a professional tennis tournament played on clay courts. It was the seventh edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 18 and 24 April 2015.
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.
The 2017 Savannah Challenger was a professional tennis tournament played on clay courts. It was the ninth edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 1 and 7 May 2017.
João Pedro Sorgi is a former Brazilian tennis player. He has a career high ATP singles ranking of No. 251, achieved on 18 September 2017. Sorgi also has a career high ATP doubles ranking of No. 263 achieved on 30 September 2013.
The 2018 Savannah Challenger was a professional tennis tournament played on clay courts. It was the tenth edition of the tournament which was part of the 2018 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 30 April and 6 May 2018.
The 2019 Savannah Challenger was a professional tennis tournament played on clay courts. It was the eleventh edition of the tournament which was part of the 2019 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 29 April and 5 May 2019.
Facundo Díaz Acosta is an Argentine professional tennis player. He has a career high ATP singles ranking of world No. 47 achieved on 22 April 2024. He also has a career high ATP doubles ranking of No. 173 achieved on 28 November 2022.
The 2022 Savannah Challenger was a professional tennis tournament played on clay courts. It was the twelfth edition of the tournament which was part of the 2022 ATP Challenger Tour. It took place in Savannah, Georgia, United States between 25 April and 1 May 2022.
Alexander Ritschard 
Andrés Andrade 
Facundo Díaz Acosta 
Tristan Boyer 
Paolo Lorenzi 
Hugo Dellien 
João Pedro Sorgi 
Chung Hyeon 
James McGee 
Nick Kyrgios 
Augustin Gensse 
Kei Nishikori 
