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 Guzzini Challenger is a professional tennis tournament played on outdoor hard courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually at the Circolo Tennis Francesco Guzzini in Recanati, Italy, since 2003.
The Capri Watch Cup 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 Tennis Club Napoli in Naples, Italy, since 1995.
João Olavo Soares de Souza is a Brazilian former professional tennis player. Before receiving a lifetime ban for match-fixing, Souza competed mainly on the ATP Challenger Tour, both in singles and doubles. He reached his highest ATP singles ranking, No. 69, on April 6, 2015, and his highest ATP doubles ranking, No. 70, on January 7, 2013. Souza was coached by former Brazilian player Ricardo Acioly. Souza is also known as "Feijão".
The 2010 Trofeo Bellaveglia was a professional tennis tournament played on outdoor red clay courts. This was the second edition of the tournament which is part of the 2010 ATP Challenger Tour. It took place in Orbetello, Italy between 19 July and 25 July 2010.
The 2009 Trofeo Bellaveglia was a professional tennis tournament played on outdoor red clay courts. This was the first edition of the tournament which was part of the 2009 ATP Challenger Tour. It took place in Orbetello, Italy between 20 July and 26 July 2009.
The Internazionali di Tennis Città di Todi is a professional tennis tournament played on outdoor clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour and has been held annually in Todi, Italy since 2007. In 2018 and 2019, the tournament was held in L'Aquila. Since 2010, the event has been held in combination with the Astra Italy Tennis Cup, a $10,000 tournament on the ITF Women's Circuit.
The 2011 Orbetello 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 Orbetello, Italy between 18 and 24 July 2011.
The 2012 Orbetello 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 Orbetello, Italy between 23 and 29 July 2012.
The 2013 Trofeo Stefano Bellaveglia 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 Orbetello, Italy between 22 and 28 July 2013.
The 2014 International Tennis Tournament of Cortina was a professional tennis tournament played on clay courts. It was the 1st edition of the tournament which was part of the 2014 ATP Challenger Tour. It took place in Cortina d'Ampezzo, Italy between 28 July and 3 August 2014.
The International Tennis Tournament of Cortina 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 in Cortina d'Ampezzo, Italy, since 2014.
The 2015 International Tennis Tournament of Cortina was a professional tennis tournament played on clay courts. It was the 2nd edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Cortina d'Ampezzo, Italy between 3 and 9 August 2015.
The ATP Challenger 2001 Team Padova formerly Challenger Team Città di Padova was a tennis tournament held in Padova, Italy between 2014 and 2015. In 2018, the event was reinstated replacing the International Tennis Tournament of Cortina. The event is part of the ATP Challenger Tour and is played on outdoor clay courts.
The 2016 International Tennis Tournament of Cortina was a professional tennis tournament played on clay courts. It was the 3rd edition of the tournament which was part of the 2016 ATP Challenger Tour. It took place in Cortina d'Ampezzo, Italy between 1 and 7 August 2016.
The BFD Energy Challenger is a professional tennis tournament played on clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually in Rome, Italy since 2015.
The Internazionali di Tennis d'Abruzzo is a professional tennis tournament played on clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It is held annually in Francavilla al Mare, Italy since 2017.
The 2017 International Tennis Tournament of Cortina was a professional tennis tournament played on clay courts. It was the 4th edition of the tournament which was part of the 2017 ATP Challenger Tour. It took place in Cortina d'Ampezzo, Italy between 24 and 30 July 2017.
Nevio Devide is an Italian manager and a former professional tennis player from Italy.
Laura Dell'Angelo is an Italian former professional tennis player.
Filippo Volandri 
Pere Riba 
Dušan Lajović 
Édouard Roger-Vasselin 
Oleksandr Dolgopolov Jr. 
Guillermo Durán
Dane Propoggia 
Julian Knowle 
Igor Zelenay 
Nikola Mektić