Challenger
Bombardier Challenger 600
ATP Challenger Brașov
ATP Challenger Tour
ATP Challenger Arad
ATP Challenger Río Grande
Bombardier Challenger 850
ATP Challenger Kuwait
ATP Challenger Maui
ATP Challenger Timișoara
ATP Challenger Kachetien
ISU-Challenger-Serie
ATP Challenger Telde
ATP Challenger Antofagasta
The Challenger
Chess Challenger
ATP Challenger Astana (seit 2016)
ATP Challenger Guimarães
ATP Challenger Meran
ATP Challenger Kigali
ATP Challenger Recanati
Bombardier Challenger 300
ATP Challenger Lugano
ATP Challenger Granby
ATP Challenger Andrézieux-Bouthéon
Triple C Challenger Cars
ATP Challenger Benin City
ATP Challenger Piracicaba
ATP Challenger Wuhan
ATP Challenger Båstad
ATP Challenger Danderyd
ATP Challenger Gimcheon
ATP Challenger St. Ulrich in Gröden
ATP Challenger Samarqand
ATP Challenger Raʿanana
ATP Challenger Savannah
ATP Challenger São Paulo (2013–2016)
ATP Challenger Knokke-Heist
Challenger Series
ATP Challenger Ahmedabad
ATP Challenger Fès
ATP Challenger Tallahassee
ATP Challenger Kōbe
ATP Challenger Itajaí
ATP Challenger Porto-2
ATP Challenger Dijon
ATP Challenger Hangzhou
ATP Challenger San Miguel de Tucumán
ATP Challenger Mantua
ATP Challenger Ostende
WTA Challenger Taipeh
Challenger (Raumfähre)
ATP Challenger Manama
ATP Challenger Cherbourg
George Edward Challenger
ATP Challenger Brazzaville
ATP Challenger Garmisch-Partenkirchen
ATP Challenger Fargʻona
ATP Challenger Tunica Resorts
ATP Challenger Córdoba
ATP Challenger Sibiu
ATP Challenger Flushing Meadow
ATP Challenger Tour 2009
ATP Challenger Rogaška Slatina
ATP Challenger Reggio nell’Emilia
ATP Challenger Nottingham-4
ATP Challenger Charlottesville
ATP Challenger Busan
ATP Challenger Daytona Beach
ATP Challenger Shenzhen-3
ATP Challenger Anning
ATP Challenger Orléans
ATP Challenger São Paulo (2004)
ATP Challenger Sanremo
ATP Challenger Santa Clarita
Ostend Challenger 1993
ATP Challenger Pozoblanco
ATP Challenger Aptos
ATP Challenger Champaign
ATP Challenger Drummondville
ATP Challenger Dharwad
ATP Challenger Tulsa
ATP Challenger Toljatti
Oracle Challenger Series – Houston 2018
ATP Challenger Toluca de Lerdo
ATP Challenger Tanger
ATP Challenger Acapulco-2
ATP Challenger Bogotá
ATP Challenger Saint-Brieuc
ATP Challenger Astana (2010–2014)
ATP Challenger Ponte Vedra Beach
ATP Challenger Ojai
ATP Challenger Košice
Granby Challenger 1995
ATP Challenger Ibagué
ATP Challenger Dallas
ATP Challenger Bogotá (1988–1996)
ATP Challenger Meknès
ATP Challenger Székesfehérvár
ATP Challenger Ulm
Oracle Challenger Series – Houston 2019
Oracle Challenger Series – Chicago 2018
Uncle Toby’s Challenger in Caloundra 2004
ATP Challenger Chennai
ATP Challenger São Paulo (seit 2020)
ATP Challenger La Réunion
ATP Challenger Tiburon
ATP Challenger São Paulo (2009–2010)
ATP Challenger Nottingham-2
ATP Challenger Viña del Mar
ATP Challenger São Leopoldo
Kyoto Challenger 1978
Moncton Men’s Challenger 2008
Challenge
ATP Challenger Donezk
Oracle Challenger Series – Newport Beach 2019
Oracle Challenger Series – Newport Beach 2020
ATP Challenger Fürth
Oracle Challenger Series – Indian Wells 2018
Taipei Challenger 1992
Lucknow Challenger I 1999
ATP Challenger Floridablanca
ATP Challenger São Paulo (1982–2002)
ATP Challenger Karlsruhe
Oracle Challenger Series – Indian Wells 2020
ATP Challenger Besançon
Tashkent Challenger 2016
Kolkata Challenger 2000
Tangier Challenger 2000
Bressanone Challenger 1999
Oracle Challenger Series – Indian Wells 2019
Compaq Challenger 2001
Relyaid Natomas Challenger 2012
Challenger Ficrea 2014
Santiago Challenger 1992
Oracle Challenger Series – New Haven 2019
ATP Challenger Mérida
ATP Challenger Heilbronn-2
Ribeirão Preto Challenger 1979
ATP Challenger Prostějov
Oracle Challenger Series – Newport Beach 2018
Tallahassee Tennis Challenger 2002
ATP Challenger Bogotá (Copa Petrobras)
Kuala Lumpur Challenger II 1993
ATP Challenger Aracaju
Logopark ATP Challenger 2005
Challenger La Manche – Cherbourg 2024
Dodge Challenger
ATP Challenger Santa Cruz
Relyaid Natomas Racquet Club Challenger 2011
Nottingham Challenger II 2005
ATP Challenger São Paulo (2013–2015)
ATP Challenger San Benedetto del Tronto
Men’s Rimouski Challenger 2011
ATP Challenger Cortina d’Ampezzo
Freeman Men’s Challenger 2005
ATP Challenger Kyōto
ATP Challenger Genua
ATP Challenger São Paulo (2012–2013)
Nairobi Challenger I 1990
Munich Challenger 1989
Challenger La Manche – Cherbourg 2015
Nairobi Challenger II 1990
Challenger La Manche – Cherbourg 2016
Hancock Bank Men’s Challenger 2007
Ipsos Bucharest Challenger 2007
Nottingham Challenger I 2006
Lucknow Challenger II 1999
Río Grande Challenger 1997
Maccabi Men’s Challenger 2009
S’Tennis Masters Challenger 2007
Istanbul Challenger – American Express 2013
Crans Montana Challenger 1988
ATP Orbetello Challenger 2011
Charlottesville Men’s Pro Challenger 2021
Challenger La Manche – Cherbourg 2022
Kuala Lumpur Challenger I 1993
ATP Challenger Nouméa
WTA 125
S’Tennis Masters Challenger 2008
Chicago Men’s Challenger 2024
Wailea Men’s Challenger 2006
Georgia’s Rome Challenger 2022
Challenger Internazionale Dell’Insubria 2008
Harrah’s Entertainment Challenger 2006
Freeman Men’s Challenger 2006
Freeman Men’s Challenger 2007
ATP Challenger Bogotá (Bancolombia Open)
Lima Challenger – Copa Claro 2015
Challenger (Schiff, 1904)
ATP Challenger Tour 2025
Nottingham Challenger II 2006
Costa Rica Challenger 2000
Freeman Men’s Challenger 2003
Chicago Men’s Challenger 2023
Harrah’s Entertainment Challenger 2005
Charlottesville Men’s Pro Challenger 2012
Challenger en los Andes – Quito 2017
Freeman Men’s Challenger 2002
Freeman Men’s Challenger 2004