Challenger
Bombardier Challenger 600
ATP Challenger Tour
The Challenger
ISU-Challenger-Serie
ATP Challenger Kōbe
ATP Challenger Arad
ATP Challenger Brașov
ATP Challenger Shenzhen-3
ATP Challenger Río Grande
Bombardier Challenger 850
ATP Challenger Toluca de Lerdo
ATP Challenger Kuwait
ATP Challenger Astana (2010–2014)
ATP Challenger Timișoara
ATP Challenger Maui
ATP Challenger Meknès
ATP Challenger Kachetien
ATP Challenger Bogotá (1988–1996)
ATP Challenger Chennai
ATP Challenger Telde
ATP Challenger Antofagasta
Chess Challenger
ATP Challenger Porto-2
Challenger (Raumfähre)
ATP Challenger Brazzaville
ATP Challenger Astana (seit 2016)
ATP Challenger Cherbourg
ATP Challenger Guimarães
ATP Challenger Meran
ATP Challenger Recanati
ATP Challenger Kigali
Bombardier Challenger 300
ATP Challenger Lugano
ATP Challenger Wuhan
ATP Challenger Danderyd
ATP Challenger St. Ulrich in Gröden
ATP Challenger Granby
ATP Challenger Andrézieux-Bouthéon
Bressanone Challenger 1999
Triple C Challenger Cars
ATP Challenger Benin City
ATP Challenger Gimcheon
ATP Challenger Savannah
ATP Challenger Piracicaba
ATP Challenger Raʿanana
Oracle Challenger Series – Newport Beach 2018
ATP Challenger Båstad
ATP Challenger Samarqand
ATP Challenger Knokke-Heist
ATP Challenger Fès
ATP Challenger Tallahassee
ATP Challenger São Paulo (2013–2016)
ATP Challenger Drummondville
ATP Challenger Ahmedabad
Challenger Series
ATP Challenger Tanger
ATP Challenger Itajaí
ATP Challenger Manama
ATP Challenger Dijon
ATP Challenger São Paulo (2012–2013)
ATP Challenger Garmisch-Partenkirchen
ATP Challenger San Miguel de Tucumán
ATP Challenger Mantua
ATP Challenger Ostende
ATP Challenger Tunica Resorts
ATP Challenger Acapulco-2
ATP Challenger Córdoba
WTA Challenger Taipeh
ATP Challenger Flushing Meadow
ATP Challenger Hangzhou
ATP Challenger Ojai
George Edward Challenger
ATP Challenger Tour 2009
Hancock Bank Men’s Challenger 2007
ATP Challenger Sibiu
ATP Challenger Nottingham-4
ATP Challenger Fargʻona
ATP Challenger Reggio nell’Emilia
ATP Challenger Charlottesville
ATP Challenger Rogaška Slatina
ATP Challenger Busan
ATP Challenger Anning
ATP Challenger Daytona Beach
ATP Challenger Orléans
ATP Challenger Tiburon
ATP Challenger Nouméa
ATP Challenger São Paulo (2004)
Ostend Challenger 1993
ATP Challenger Pozoblanco
ATP Challenger Sanremo
ATP Challenger Santa Clarita
ATP Challenger Aptos
Nottingham Challenger II 2006
ATP Challenger Champaign
Costa Rica Challenger 2000
Freeman Men’s Challenger 2003
ATP Challenger Donezk
ATP Challenger Floridablanca
ATP Challenger Dharwad
Oracle Challenger Series – Houston 2018
ATP Challenger Toljatti
Kuala Lumpur Challenger I 1992
ATP Challenger Tulsa
ATP Challenger Besançon
ATP Challenger Bogotá
ATP Challenger Saint-Brieuc
ATP Challenger Mérida
ATP Challenger Dallas
Kuala Lumpur Challenger II 1992
ATP Challenger Ponte Vedra Beach
ATP Challenger Košice
ATP Challenger Ulm
ATP Challenger Aracaju
Granby Challenger 1995
ATP Challenger Székesfehérvár
ATP Challenger Ibagué
Challenger La Manche – Cherbourg 2023
Uncle Toby’s Challenger in Caloundra 2004
ATP Challenger São Paulo (2013–2015)
Oracle Challenger Series – Chicago 2018
Oracle Challenger Series – Houston 2019
Hilton Waikoloa Village USTA Challenger 2006
ATP Challenger La Réunion
ATP Challenger Cortina d’Ampezzo
American Express – Istanbul Challenger 2011
ATP Challenger São Paulo (seit 2020)
Men’s Rimouski Challenger 2011
International Men’s Tennis Challenger 2017
ATP Challenger Genua
Hilton Waikoloa Village USTA Challenger 2001
Hilton Waikoloa Village USTA Challenger 2004
Kyoto Challenger 1978
Challenger Casablanca San Ángel 2009
ATP Challenger Nottingham-2
Oracle Challenger Series – Newport Beach 2019
Oracle Challenger Series – Newport Beach 2020
Oracle Challenger Series – Indian Wells 2018
ATP Challenger São Paulo (2009–2010)
ATP Challenger São Leopoldo
Munich Challenger 1989
ATP Challenger Viña del Mar
Moncton Men’s Challenger 2008
Challenge
ATP Challenger Fürth
Taipei Challenger 1992
Lucknow Challenger I 1999
ATP Challenger Karlsruhe
ATP Challenger São Paulo (1982–2002)
Challenger Città di Como 2023
Santiago Challenger 1992
ATP Orbetello Challenger 2011
Kolkata Challenger 2000
Tangier Challenger 2000
Oracle Challenger Series – Indian Wells 2020
Oracle Challenger Series – Indian Wells 2019
Compaq Challenger 2001
Oracle Challenger Series – New Haven 2019
ATP Challenger Marseille
ATP Challenger Bogotá (Bancolombia Open)
Tashkent Challenger 2016
ATP Challenger Fano
Challenger 1
Challenger Ficrea 2014
ATP Challenger Bromma
ATP Challenger Heilbronn-2
ATP Challenger Sunderland
Ribeirão Preto Challenger 1979
Sporting Challenger – Trofeo Regione Piemonte 2011
Relyaid Natomas Challenger 2012
ATP Challenger Bogotá (Copa Petrobras)
Tallahassee Tennis Challenger 2002
ATP Challenger Mexicali
ATP Challenger Enugu
Dodge Challenger
ATP Challenger Mendoza
ATP Challenger Prostějov
ATP Challenger Fortaleza
ATP Challenger Nümbrecht
ATP Challenger Neumünster
ATP Challenger Düsseldorf
ATP Challenger Donostia-San Sebastián
ATP Challenger Hamilton
Kuala Lumpur Challenger II 1993
ATP Challenger Schenectady
ATP Challenger Berkeley
ATP Challenger Kisch
ATP Challenger Alpirsbach
Logopark ATP Challenger 2005
ATP Challenger Bahia
ATP Challenger Kyōto
Challenger (Schiff, 1932)
ATP Challenger Cuenca
ATP Challenger Telford
ATP Challenger Contrexéville
ATP Challenger Salou
Relyaid Natomas Racquet Club Challenger 2011
ATP Challenger Cuneo
ATP Challenger Solihull
Nottingham Challenger II 2005