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