Challenger
Bombardier Challenger 600
ATP Challenger Tour
The Challenger
ISU-Challenger-Serie
ATP Challenger Arad
ATP Challenger Kōbe
ATP Challenger Brașov
ATP Challenger Shenzhen-3
Bombardier Challenger 850
ATP Challenger Porto-2
ATP Challenger Telde
Challenger (Raumfähre)
ATP Challenger Río Grande
ATP Challenger Toluca de Lerdo
ATP Challenger Brazzaville
ATP Challenger Cherbourg
Chess Challenger
ATP Challenger Maui
ATP Challenger Astana (2010–2014)
ATP Challenger Kachetien
ATP Challenger Timișoara
ATP Challenger Piracicaba
ATP Challenger Meknès
ATP Challenger Bogotá (1988–1996)
ATP Challenger Chennai
ATP Challenger Samarqand
ATP Challenger Kuwait
ATP Challenger Ahmedabad
ATP Challenger São Paulo (2013–2016)
ATP Challenger Andrézieux-Bouthéon
ATP Challenger Wuhan
ATP Challenger Danderyd
ATP Challenger St. Ulrich in Gröden
ATP Challenger Drummondville
ATP Challenger Meran
ATP Challenger Ostende
ATP Challenger Savannah
ATP Challenger Tanger
ATP Challenger Kigali
ATP Challenger Antofagasta
ATP Challenger Recanati
ATP Challenger Acapulco-2
ATP Challenger Sibiu
ATP Challenger Lugano
ATP Challenger Itajaí
ATP Challenger Ojai
ATP Challenger Reggio nell’Emilia
ATP Challenger Charlottesville
ATP Challenger Mantua
ATP Challenger San Miguel de Tucumán
Bressanone Challenger 1999
ATP Challenger Båstad
ATP Challenger Astana (seit 2016)
ATP Challenger Busan
ATP Challenger Guimarães
ATP Challenger Manama
ATP Challenger Daytona Beach
ATP Challenger Garmisch-Partenkirchen
ATP Challenger Tunica Resorts
ATP Challenger Gimcheon
ATP Challenger Córdoba
ATP Challenger São Paulo (2004)
ATP Challenger Flushing Meadow
Oracle Challenger Series – Newport Beach 2018
Challenger Series
ATP Challenger Raʿanana
ATP Challenger Knokke-Heist
ATP Challenger Fès
ATP Challenger Tallahassee
Bombardier Challenger 300
ATP Challenger Tiburon
ATP Challenger Granby
Triple C Challenger Cars
ATP Challenger Hangzhou
ATP Challenger Benin City
ATP Challenger São Paulo (2012–2013)
ATP Challenger Dijon
ATP Challenger Toljatti
ATP Challenger Donezk
ATP Challenger Pozoblanco
ATP Challenger Fargʻona
ATP Challenger Floridablanca
ATP Challenger Rogaška Slatina
ATP Challenger Besançon
ATP Challenger Tour 2009
Hancock Bank Men’s Challenger 2007
ATP Challenger Dharwad
ATP Challenger Nottingham-4
ATP Challenger Mérida
ATP Challenger Anning
ATP Challenger Székesfehérvár
ATP Challenger Sanremo
ATP Challenger Santa Clarita
WTA Challenger Taipeh
ATP Challenger Nouméa
George Edward Challenger
ATP Challenger Aracaju
ATP Challenger São Paulo (seit 2020)
ATP Challenger Dallas
ATP Challenger Aptos
ATP Challenger São Paulo (2013–2015)
Nottingham Challenger II 2006
Costa Rica Challenger 2000
Freeman Men’s Challenger 2003
ATP Challenger Košice
ATP Challenger Cortina d’Ampezzo
ATP Challenger Champaign
Men’s Rimouski Challenger 2011
ATP Challenger Tulsa
ATP Challenger Genua
ATP Challenger Orléans
Oracle Challenger Series – Houston 2018
Ostend Challenger 1993
Munich Challenger 1989
Taipei Challenger 1992
Kuala Lumpur Challenger I 1992
ATP Challenger Ponte Vedra Beach
ATP Challenger Nottingham-2
ATP Challenger Bogotá
Kyoto Challenger 1978
ATP Challenger São Leopoldo
ATP Challenger Saint-Brieuc
ATP Challenger Ibagué
Tangier Challenger 2000
Kolkata Challenger 2000
Kuala Lumpur Challenger II 1992
Oracle Challenger Series – Newport Beach 2019
Oracle Challenger Series – Newport Beach 2020
Oracle Challenger Series – Indian Wells 2018
Compaq Challenger 2001
Oracle Challenger Series – Chicago 2018
Oracle Challenger Series – Houston 2019
ATP Challenger Ulm
Challenger Ficrea 2014
ATP Orbetello Challenger 2011
ATP Challenger Fürth
ATP Challenger Heilbronn-2
Challenger La Manche – Cherbourg 2023
ATP Challenger Bogotá (Bancolombia Open)
Hilton Waikoloa Village USTA Challenger 2006
ATP Challenger São Paulo (2009–2010)
American Express – Istanbul Challenger 2011
International Men’s Tennis Challenger 2017
ATP Challenger Viña del Mar
ATP Challenger La Réunion
Santiago Challenger 1992
Hilton Waikoloa Village USTA Challenger 2001
Hilton Waikoloa Village USTA Challenger 2004
Challenger Casablanca San Ángel 2009
Oracle Challenger Series – Indian Wells 2019
ATP Challenger Donostia-San Sebastián
Granby Challenger 1995
ATP Challenger San Benedetto del Tronto
Uncle Toby’s Challenger in Caloundra 2004
ATP Challenger Prostějov
Dodge Challenger
Lucknow Challenger I 1999
ATP Challenger São Paulo (1982–2002)
Oracle Challenger Series – Indian Wells 2020
ATP Challenger Kyōto
Challenger Città di Como 2023
Tashkent Challenger 2016
ATP Challenger Karlsruhe
Relyaid Natomas Challenger 2012
Moncton Men’s Challenger 2008
ATP Challenger Marseille
ATP Challenger Fano
Challenge
Challenger 1
Oracle Challenger Series – New Haven 2019
ATP Challenger Bromma
Ribeirão Preto Challenger 1979
ATP Challenger Sunderland
Tallahassee Tennis Challenger 2002
Sporting Challenger – Trofeo Regione Piemonte 2011
ATP Challenger Mexicali
ATP Challenger Enugu
ATP Challenger Mendoza
ATP Challenger Fortaleza
Wailea Men’s Challenger 2006
ATP Challenger Nümbrecht
ATP Challenger Neumünster
ATP Challenger Düsseldorf
ATP Challenger Bogotá (Copa Petrobras)
ATP Challenger Hamilton
WTA 125
ATP Challenger Schenectady
Ipsos Bucharest Challenger 2007
Logopark ATP Challenger 2005
ATP Challenger Berkeley
Challenger (Schiff, 1904)
ATP Challenger Santa Cruz
ATP Challenger Kisch
ATP Challenger Alpirsbach
Nottingham Challenger I 2006
ATP Challenger Bahia
Challenger (Schiff, 1932)
ATP Challenger Cuenca
ATP Challenger Telford