The ATP International Series was a series of professional tennis tournaments held internationally as part of the ATP Tour from 2000 to 2008.
The ATP Challenger Tour is the secondary professional tennis circuit organized by the ATP. The 2009 ATP Challenger Tour calendar comprised 20 top tier Tretorn SERIE+ tournaments, and 142 regular series tournaments, with prize money ranging from $25,000 up to $150,000.
The ATP Challenger Tour is the secondary professional tennis circuit organized by the ATP. The 2010 ATP Challenger Tour calendar comprises 13 top tier Tretorn SERIE+ tournaments, and approximately 150 regular series tournaments, with prize money ranging from $35,000 up to $150,000.
The ATP Challenger Tour was the secondary professional tennis circuit organized by the Association of Tennis Professionals (ATP). The 2011 ATP Challenger Tour calendar comprised 15 top tier Tretorn SERIE+ tournaments, and approximately 150 regular series tournaments, with prize money ranging from $35,000 up to $150,000.
The ATP Challenger Tour was the secondary professional tennis circuit organized by the ATP. The 2012 ATP Challenger Tour calendar comprised 15 top tier Tretorn SERIE+ tournaments, and a total of 148 tournaments, with prize money ranging from $35,000 up to $150,000.
The ATP Challenger Series is the second-tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1990 ATP Challenger Series calendar comprises 71 tournaments, with prize money ranging from $25,000 up to $100,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1991 ATP Challenger Series calendar comprised 94 tournaments, with prize money ranging from $25,000 up to $100,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1992 ATP Challenger Series calendar comprised 89 tournaments, with prize money ranging from $25,000 up to $100,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1993 ATP Challenger Series calendar comprised 97 tournaments, with prize money ranging from $25,000 up to $100,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1994 ATP Challenger Series calendar comprised 97 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1995 ATP Challenger Series calendar comprised 86 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1996 ATP Challenger Series calendar comprised 98 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1997 ATP Challenger Series calendar comprised 107 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1999 ATP Challenger Series calendar comprised 115 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 2000 ATP Challenger Series calendar comprised 121 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 2001 ATP Challenger Series calendar comprised 135 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 2005 ATP Challenger Series calendar comprised 150 tournaments, with prize money ranging from $25,000 up to $150,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 2006 ATP Challenger Series calendar comprised 161 tournaments, with prize money ranging from $25,000 up to $125,000.
The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 2007 ATP Challenger Series calendar comprised 174 tournaments, with prize money ranging from $25,000 up to $150,000.
The Association of Tennis Professionals (ATP) Challenger Tour in 2023 is the secondary professional tennis circuit organized by the ATP. The 2023 ATP Challenger Tour calendar comprises 94 tournaments, with prize money ranging from $40,000 up to $220,000. It is the 46th edition of challenger tournaments cycle, and 15th under the name of Challenger Tour.
Germany 
Geoff Grant 
South Africa 
Laurence Tieleman 
Andrew Richardson 
Ivo Heuberger 
Marat Safin 
Dušan Vemić 
Singapore 
Fernando Vicente 
Peter Wessels 
Vietnam 
André Sá 
Mahesh Bhupathi 
Peter Tramacchi 
France 
Thailand 
Kevin Ullyett 
Eyal Erlich 
Ecuador 
Japan 
Francisco Cabello 
Bermuda 
Mexico 
Christian Ruud 
Gabriel Trifu 
Portugal 
Czech Republic 
Slovenia 
Neville Godwin 
Dominik Hrbatý 
Hungary 
Ukraine 
Thomas Buchmayer 
Colombia 
Chile 
Ville Liukko 
Egypt 
Uruguay 
Hong Kong 
Uzbekistan 
Fredrik Jonsson 
