Challenger
Bombardier Challenger 600
ATP Challenger Arad
ATP Challenger Brașov
Bombardier Challenger 850
ATP Challenger Telde
ATP Challenger Porto-2
ATP Challenger Tour
Challenger (Raumfähre)
ATP Challenger Brazzaville
ATP Challenger Cherbourg
Chess Challenger
ATP Challenger Timișoara
ATP Challenger Maui
ATP Challenger Kachetien
ATP Challenger Andrézieux-Bouthéon
ATP Challenger Wuhan
ATP Challenger Danderyd
ATP Challenger Meran
ATP Challenger St. Ulrich in Gröden
ATP Challenger Drummondville
ATP Challenger Río Grande
ATP Challenger Savannah
ATP Challenger Tanger
ATP Challenger Recanati
ATP Challenger Itajaí
ATP Challenger Lugano
ATP Challenger Kigali
ISU-Challenger-Serie
ATP Challenger Acapulco-2
ATP Challenger Piracicaba
ATP Challenger Mantua
ATP Challenger San Miguel de Tucumán
ATP Challenger Ojai
ATP Challenger Gimcheon
ATP Challenger Samarqand
The Challenger
ATP Challenger Raʿanana
ATP Challenger Manama
ATP Challenger São Paulo (2013–2016)
ATP Challenger Ahmedabad
ATP Challenger Garmisch-Partenkirchen
ATP Challenger Båstad
ATP Challenger Tunica Resorts
ATP Challenger Córdoba
ATP Challenger Knokke-Heist
ATP Challenger Fès
ATP Challenger Flushing Meadow
ATP Challenger Tallahassee
ATP Challenger Kuwait
ATP Challenger Tiburon
ATP Challenger Dijon
ATP Challenger Ostende
Challenger Series
ATP Challenger Pozoblanco
ATP Challenger Donezk
ATP Challenger Sibiu
ATP Challenger Hangzhou
ATP Challenger Tour 2009
ATP Challenger Antofagasta
ATP Challenger Reggio nell’Emilia
ATP Challenger Floridablanca
ATP Challenger Nottingham-4
ATP Challenger Charlottesville
ATP Challenger Busan
ATP Challenger Daytona Beach
ATP Challenger Dharwad
ATP Challenger Fargʻona
ATP Challenger Besançon
ATP Challenger São Paulo (2004)
ATP Challenger Rogaška Slatina
ATP Challenger Anning
ATP Challenger Astana (seit 2016)
ATP Challenger Guimarães
ATP Challenger Mérida
ATP Challenger Kōbe
ATP Challenger Aptos
ATP Challenger Champaign
ATP Challenger Aracaju
ATP Challenger Sanremo
ATP Challenger Santa Clarita
Bombardier Challenger 300
ATP Challenger Košice
ATP Challenger Toljatti
ATP Challenger Granby
ATP Challenger São Paulo (2013–2015)
Triple C Challenger Cars
ATP Challenger Dallas
ATP Challenger Cortina d’Ampezzo
Men’s Rimouski Challenger 2011
Oracle Challenger Series – Houston 2018
ATP Challenger Benin City
ATP Challenger Genua
ATP Challenger Bogotá
ATP Challenger Tulsa
ATP Challenger Saint-Brieuc
Munich Challenger 1989
ATP Challenger Nottingham-2
ATP Challenger São Leopoldo
ATP Challenger Shenzhen-3
ATP Challenger Székesfehérvár
Kyoto Challenger 1978
ATP Challenger Ulm
ATP Challenger Fürth
ATP Challenger Ponte Vedra Beach
Oracle Challenger Series – Newport Beach 2019
Oracle Challenger Series – Newport Beach 2020
Oracle Challenger Series – Indian Wells 2018
ATP Challenger São Paulo (seit 2020)
ATP Orbetello Challenger 2011
ATP Challenger La Réunion
ATP Challenger Ibagué
WTA Challenger Taipeh
George Edward Challenger
Oracle Challenger Series – Chicago 2018
Oracle Challenger Series – Houston 2019
ATP Challenger Bogotá (Bancolombia Open)
Oracle Challenger Series – Indian Wells 2019
Santiago Challenger 1992
ATP Challenger Donostia-San Sebastián
ATP Challenger São Paulo (2009–2010)
ATP Challenger Toluca de Lerdo
ATP Challenger Prostějov
Taipei Challenger 1992
ATP Challenger Viña del Mar
ATP Challenger Orléans
ATP Challenger Karlsruhe
Lucknow Challenger I 1999
ATP Challenger Astana (2010–2014)
Ostend Challenger 1993
ATP Challenger São Paulo (1982–2002)
Kolkata Challenger 2000
Tangier Challenger 2000
Dodge Challenger
Compaq Challenger 2001
ATP Challenger Meknès
ATP Challenger Bogotá (1988–1996)
Challenger Ficrea 2014
Oracle Challenger Series – New Haven 2019
ATP Challenger Heilbronn-2
ATP Challenger Kyōto
ATP Challenger Chennai
Oracle Challenger Series – Indian Wells 2020
Tashkent Challenger 2016
ATP Challenger Bogotá (Copa Petrobras)
Ribeirão Preto Challenger 1979
Tallahassee Tennis Challenger 2002
Relyaid Natomas Challenger 2012
Ipsos Bucharest Challenger 2007
Logopark ATP Challenger 2005
Nottingham Challenger I 2006
ATP Challenger San Benedetto del Tronto
Río Grande Challenger 1997
Relyaid Natomas Racquet Club Challenger 2011
Nottingham Challenger II 2005
Crans Montana Challenger 1988
Freeman Men’s Challenger 2005
Nairobi Challenger I 1990
ATP Challenger Santa Cruz
S’Tennis Masters Challenger 2008
Granby Challenger 1995
Kuala Lumpur Challenger I 1993
Freeman Men’s Challenger 2006
Freeman Men’s Challenger 2007
Harrah’s Entertainment Challenger 2006
Uncle Toby’s Challenger in Caloundra 2004
Chicago Men’s Challenger 2024
Georgia’s Rome Challenger 2022
Challenger La Manche – Cherbourg 2015
Challenger La Manche – Cherbourg 2016
Chicago Men’s Challenger 2022
Harrah’s Entertainment Challenger 2005
Bressanone Challenger 1999
Chicago Men’s Challenger 2023
Lucknow Challenger II 1999
Nairobi Challenger II 1990
Challenger La Manche – Cherbourg 2017
Challenger La Manche – Cherbourg 2021
Challenger 3
STS-51-L
Hilton Waikoloa Village USTA Challenger 2007
Challenger La Manche – Cherbourg 2022
Oracle Challenger Series – Newport Beach 2018
WTA 125
Wailea Men’s Challenger 2006
Challenge
Moncton Men’s Challenger 2008
Challenger Internazionale Dell’Insubria 2008
Hilton Waikoloa Village USTA Challenger 2002
American Express – Istanbul Challenger 2018
Challenger La Manche – Cherbourg 2020
S’Tennis Masters Challenger 2007
Maccabi Men’s Challenger 2009
Challenger (Schiff, 1904)
Challenger 2
Freeman Men’s Challenger 2002
Lima Challenger – Copa Claro 2015
Freeman Men’s Challenger 2004
Challenger Hamburg – Hamburg Ladies & Gents Cup 2023
Charlottesville Men’s Pro Challenger 2012