Challenger
Bombardier Challenger 600
ATP Challenger Tour
ATP Challenger Arad
Bombardier Challenger 850
ATP Challenger Brașov
ATP Challenger Timișoara
ATP Challenger Telde
ATP Challenger Maui
The Challenger
ISU-Challenger-Serie
Chess Challenger
ATP Challenger Río Grande
ATP Challenger Porto-2
Challenger (Raumfähre)
ATP Challenger Kachetien
ATP Challenger Andrézieux-Bouthéon
ATP Challenger Brazzaville
ATP Challenger Kigali
ATP Challenger Cherbourg
ATP Challenger Gimcheon
ATP Challenger Piracicaba
ATP Challenger Raʿanana
ATP Challenger Wuhan
ATP Challenger Danderyd
ATP Challenger Samarqand
ATP Challenger St. Ulrich in Gröden
ATP Challenger Kuwait
ATP Challenger Båstad
ATP Challenger Ahmedabad
ATP Challenger São Paulo (2013–2016)
ATP Challenger Kōbe
ATP Challenger Itajaí
ATP Challenger Meran
ATP Challenger Savannah
ATP Challenger Dijon
ATP Challenger Mantua
ATP Challenger San Miguel de Tucumán
ATP Challenger Ostende
Challenger Series
ATP Challenger Recanati
ATP Challenger Antofagasta
ATP Challenger Lugano
ATP Challenger Tour 2009
ATP Challenger Drummondville
ATP Challenger Hangzhou
ATP Challenger Manama
ATP Challenger Nottingham-4
ATP Challenger Sibiu
ATP Challenger Tanger
ATP Challenger Garmisch-Partenkirchen
ATP Challenger Córdoba
ATP Challenger Reggio nell’Emilia
ATP Challenger Tunica Resorts
ATP Challenger Flushing Meadow
ATP Challenger Charlottesville
ATP Challenger Guimarães
ATP Challenger Astana (seit 2016)
ATP Challenger Busan
ATP Challenger Shenzhen-3
ATP Challenger Fargʻona
ATP Challenger Daytona Beach
ATP Challenger Fès
ATP Challenger Knokke-Heist
ATP Challenger Tallahassee
ATP Challenger Acapulco-2
ATP Challenger Pozoblanco
ATP Challenger Rogaška Slatina
ATP Challenger Ojai
ATP Challenger São Paulo (2004)
ATP Challenger Aptos
ATP Challenger Champaign
Bombardier Challenger 300
ATP Challenger Sanremo
ATP Challenger Santa Clarita
ATP Challenger Granby
ATP Challenger Dharwad
Triple C Challenger Cars
ATP Challenger Benin City
ATP Challenger Tiburon
ATP Challenger Toljatti
ATP Challenger Toluca de Lerdo
ATP Challenger Saint-Brieuc
ATP Challenger Bogotá
ATP Challenger Tulsa
ATP Challenger Anning
ATP Challenger Donezk
ATP Challenger Astana (2010–2014)
ATP Challenger Košice
ATP Challenger Floridablanca
ATP Challenger Székesfehérvár
ATP Challenger Meknès
ATP Challenger Bogotá (1988–1996)
WTA Challenger Taipeh
ATP Challenger Dallas
ATP Challenger Chennai
ATP Challenger Besançon
ATP Challenger Ponte Vedra Beach
ATP Challenger La Réunion
ATP Challenger Ibagué
ATP Challenger Mérida
George Edward Challenger
ATP Challenger São Paulo (seit 2020)
Oracle Challenger Series – Chicago 2018
Oracle Challenger Series – Houston 2019
ATP Challenger Nottingham-2
ATP Challenger São Leopoldo
Oracle Challenger Series – Houston 2018
ATP Challenger Aracaju
Kyoto Challenger 1978
ATP Challenger Orléans
ATP Challenger São Paulo (2009–2010)
ATP Challenger Fürth
ATP Challenger São Paulo (2013–2015)
Taipei Challenger 1992
ATP Challenger Viña del Mar
ATP Challenger Karlsruhe
Ostend Challenger 1993
ATP Challenger Cortina d’Ampezzo
Men’s Rimouski Challenger 2011
ATP Challenger Genua
Oracle Challenger Series – Newport Beach 2019
Oracle Challenger Series – Newport Beach 2020
Oracle Challenger Series – Indian Wells 2018
ATP Challenger Ulm
Tangier Challenger 2000
Kolkata Challenger 2000
Munich Challenger 1989
Compaq Challenger 2001
Bressanone Challenger 1999
Oracle Challenger Series – Indian Wells 2019
Challenger Ficrea 2014
Oracle Challenger Series – New Haven 2019
Santiago Challenger 1992
ATP Challenger Prostějov
ATP Challenger Heilbronn-2
ATP Challenger Bogotá (Copa Petrobras)
Oracle Challenger Series – Indian Wells 2020
Tashkent Challenger 2016
Oracle Challenger Series – Newport Beach 2018
Relyaid Natomas Challenger 2012
ATP Orbetello Challenger 2011
Dodge Challenger
ATP Challenger Bogotá (Bancolombia Open)
Lucknow Challenger I 1999
ATP Challenger San Benedetto del Tronto
Granby Challenger 1995
Nairobi Challenger I 1990
ATP Challenger São Paulo (2012–2013)
ATP Challenger Kyōto
ATP Challenger São Paulo (1982–2002)
ATP Challenger Santa Cruz
Uncle Toby’s Challenger in Caloundra 2004
ATP Challenger Donostia-San Sebastián
Ipsos Bucharest Challenger 2007
Nottingham Challenger I 2006
Lucknow Challenger II 1999
Hancock Bank Men’s Challenger 2007
Río Grande Challenger 1997
Ribeirão Preto Challenger 1979
Crans Montana Challenger 1988
Tallahassee Tennis Challenger 2002
Nairobi Challenger II 1990
S’Tennis Masters Challenger 2008
Moncton Men’s Challenger 2008
Logopark ATP Challenger 2005
Challenger Internazionale Dell’Insubria 2008
Nottingham Challenger II 2005
Freeman Men’s Challenger 2007
Harrah’s Entertainment Challenger 2006
Freeman Men’s Challenger 2006
Relyaid Natomas Racquet Club Challenger 2011
ATP Challenger Nouméa
Challenge
Wailea Men’s Challenger 2006
Chicago Men’s Challenger 2024
Kuala Lumpur Challenger I 1993
Georgia’s Rome Challenger 2022
Harrah’s Entertainment Challenger 2005
Freeman Men’s Challenger 2005
Freeman Men’s Challenger 2002
Maccabi Men’s Challenger 2009
S’Tennis Masters Challenger 2007
Freeman Men’s Challenger 2004
Nottingham Challenger II 2006
Challenger (Schiff, 1904)
Chicago Men’s Challenger 2023
WTA 125
Costa Rica Challenger 2000
Freeman Men’s Challenger 2003
Challenger La Manche – Cherbourg 2021
Challenger La Manche – Cherbourg 2015
Challenger La Manche – Cherbourg 2016
Challenger La Manche – Cherbourg 2018
Champaign–Urbana Challenger 2021
Challenger Hamburg – Hamburg Ladies & Gents Cup 2023
Challenger La Manche – Cherbourg 2019
Challenger La Manche – Cherbourg 2020
Kuala Lumpur Challenger I 1992
Kuala Lumpur Challenger II 1993