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. It was founded in 1976 when it replaced the ILTF Satellite Circuit as the second tier of tennis. 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 Campionati Internazionali di Sicilia or International Championships of Sicily, also known as the Palermo Open, was a combined men's and women's clay court tennis tournament founded in 1935 and played annually at the Circolo Tennis Palermo in Palermo in Italy. In 1971 the women's event was discontinued leaving just the men's event that ran until 2006.
The Milan Indoor, also known under various sponsored names, was a men's professional tennis tournament founded in 1973 as the ATP Milano Indoors an indoor carpet court event, that was the successor event the Milano International Indoors an indoor wood court tournament. In 1978 the event was revived as the Milan Indoor and held until 2005 when it was branded as the International of Lombardy or Internazionali di Lombardia. It took placed in Milan, Italy with the exception of three years (1998–2000) when it was held in London, United Kingdom. The event was part of the Grand Prix circuit (1981–89) and ATP Tour (1990–2005) and was played on indoor carpet courts, except for the 2000 edition which was played on an indoor hard court. The most successful singles players were John McEnroe and Boris Becker who both won four titles. Stefan Edberg and Roger Federer won the first singles title of their career at the event. A single female edition of the event was held in 1991, won by Monica Seles. Due to a lack of sponsorship the tournament was replaced on the 2006 ATP Tour by the Zagreb Indoors.
The 1996 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino in San Marino and was part of the World Series of the 1996 ATP Tour. The tournament was held from 5 August until 11 August 1996. First-seeded Albert Costa won the singles title.
The 1998 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts in City of San Marino, San Marino that was part of the World Series of the 1998 ATP Tour. It was the tenth edition of the tournament and was held from 10 August until 16 August 1998. Third-seeded Dominik Hrbatý won the singles titles.
The 1991 Volvo San Marino Open was a women's tennis tournament played on outdoor clay courts at the Centro Sportivo Tennis in the City of San Marino, San Marino that was part of the Tier V category of the 1991 WTA Tour. It was the inaugural edition of the WTA San Marino and was held from 15 July until 21 July 1991. Second-seeded Katia Piccolini won the singles title and earned $13,500 first-prize money.
The 1992 Internazionali di Tennis San Marino was a women's tennis tournament played on outdoor clay courts at the Centro Sportivo Tennis in the City of San Marino, San Marino that was part of the Tier V category of the 1992 WTA Tour. It was the second edition of the WTA San Marino and was held from 20 July until 26 July 1992. First-seeded Magdalena Maleeva won the singles title and earned $18,000 first-prize money.
The Emilia-Romagna Open is a professional tennis tournament played on clay courts. It is currently a WTA 125 event on the WTA Tour for women and part of the ATP Challenger Tour for men. It is held annually in Parma, Italy since 2021. Since 2024 it is held in Sassuolo, Modena for men.
The 1999 Internazionali di Tennis di San Marino was a men's tennis tournament played on outdoor clay courts in City of San Marino, San Marino that was part of the World Series of the 1999 ATP Tour. It was the 11th edition of the tournament and was held from 9 August until 15 August 1999. Unseeded Galo Blanco won the singles titles.
The 1997 Internazionali di Tennis di San Marino was a men's tennis tournament played on outdoor clay courts in City of San Marino, San Marino that was part of the World Series of the 1997 ATP Tour. It was the ninth edition of the tournament and was held from 4 August until 10 August 1997. First-seeded Félix Mantilla won the singles titles.
The 1995 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino in San Marino and was part of the World Series of the 1995 ATP Tour. It was the seventh edition of the tournament and was held from 7 August until 13 August 1995. First-seeded Thomas Muster, who entered the main draw on a wildcard, won the singles title, his second at the event after 1993.
The 1994 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino in San Marino and was part of the World Series of the 1994 ATP Tour. It was the sixth edition of the tournament and was held from 8 August until 14 August 1994. Second-seeded Carlos Costa, who entered the main draw on a wildcard, won the singles title.
The 1993 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino in San Marino and was part of the World Series of the 1993 ATP Tour. It was the fifth edition of the tournament and was held from 9 August until 15 August 1993. First-seeded Thomas Muster won the singles title.
The 1992 Internazionali di Tennis di San Marino was a men's tennis tournament played on outdoor clay courts at the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino in San Marino and was part of the World Series of the 1992 ATP Tour. It was the fourth edition of the tournament and was held from 27 July until 2 August 1992. First-seeded Karel Nováček won the singles title.
The 1991 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at the Centro Tennis Cassa di Risparmio di Fonte dell'Ovo in the City of San Marino in San Marino and was part of the World Series of the 1991 ATP Tour. It was the third edition of the tournament and was held from 29 July until 4 August 1991. First-seeded Guillermo Pérez Roldán won his second consecutive singles title at the event.
The 1990 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at Centro Sportivo Serravalle in San Marino and was part of the World Series of the 1990 ATP Tour. It was the third edition of the tournament and the second as an ATP Tour event, and was held from 20 August until 26 August 1990. First-seeded Guillermo Pérez Roldán won the singles title.
The 1989 Campionati Internazionali di San Marino was a men's tennis tournament played on outdoor clay courts at Centro Sportivo Serravalle in San Marino and was part of the 1989 Grand Prix. It was the inaugural edition of the tournament as an ATP Tour event and the second overall, following the initial challenger in 1988. It was held from 21 August until 27 August 1989. Unseeded José Francisco Altur, who entered the main draw as a qualifier, won the singles title.
Pietro Angelini is an Italian former professional tennis player.
Fabio Di Mauro is an Italian former professional tennis player.
The 2000 Internazionali di Tennis di San Marino was a men's tennis tournament played on outdoor clay courts in City of San Marino, San Marino that was part of the International Series of the 2000 ATP Tour. It was the 12th edition of the tournament and was held from 24 July until 30 July 2000. Unseeded Álex Calatrava won the singles titles.
2024 San Marino Open 
