Challenger
Bombardier Challenger 600
ATP Challenger Arad
ATP Challenger Tour
ATP Challenger Brașov
Bombardier Challenger 850
ATP Challenger Porto-2
Challenger (Raumfähre)
ATP Challenger Brazzaville
ATP Challenger Cherbourg
ATP Challenger Maui
ATP Challenger Timișoara
ATP Challenger Telde
ISU-Challenger-Serie
Chess Challenger
ATP Challenger Piracicaba
ATP Challenger Kachetien
The Challenger
ATP Challenger Río Grande
ATP Challenger Samarqand
ATP Challenger São Paulo (2013–2016)
ATP Challenger Ahmedabad
ATP Challenger Drummondville
ATP Challenger Tanger
ATP Challenger Kigali
ATP Challenger Ostende
ATP Challenger Meran
ATP Challenger Wuhan
ATP Challenger Danderyd
ATP Challenger St. Ulrich in Gröden
ATP Challenger Acapulco-2
ATP Challenger Andrézieux-Bouthéon
ATP Challenger Ojai
ATP Challenger Recanati
ATP Challenger Gimcheon
ATP Challenger Savannah
ATP Challenger Sibiu
ATP Challenger Båstad
ATP Challenger Lugano
ATP Challenger Reggio nell’Emilia
ATP Challenger Kuwait
ATP Challenger Raʿanana
ATP Challenger Charlottesville
ATP Challenger Busan
ATP Challenger Daytona Beach
Challenger Series
ATP Challenger São Paulo (2004)
ATP Challenger Tiburon
ATP Challenger Itajaí
ATP Challenger Kōbe
ATP Challenger Manama
ATP Challenger Dijon
ATP Challenger Antofagasta
ATP Challenger Knokke-Heist
ATP Challenger Fès
ATP Challenger Tallahassee
ATP Challenger San Miguel de Tucumán
ATP Challenger Garmisch-Partenkirchen
ATP Challenger Hangzhou
ATP Challenger Mantua
ATP Challenger Tunica Resorts
ATP Challenger Córdoba
ATP Challenger Flushing Meadow
ATP Challenger Donezk
ATP Challenger Tour 2009
ATP Challenger Fargʻona
ATP Challenger Floridablanca
ATP Challenger Toljatti
ATP Challenger Astana (seit 2016)
ATP Challenger Guimarães
ATP Challenger Rogaška Slatina
ATP Challenger Nottingham-4
ATP Challenger Besançon
ATP Challenger Mérida
Bombardier Challenger 300
ATP Challenger Shenzhen-3
ATP Challenger Sanremo
ATP Challenger Santa Clarita
ATP Challenger Pozoblanco
ATP Challenger Granby
Triple C Challenger Cars
ATP Challenger Székesfehérvár
ATP Challenger Aptos
ATP Challenger Anning
ATP Challenger Aracaju
ATP Challenger Benin City
ATP Challenger Champaign
ATP Challenger São Paulo (2013–2015)
ATP Challenger São Paulo (seit 2020)
ATP Challenger Cortina d’Ampezzo
ATP Challenger Dharwad
Men’s Rimouski Challenger 2011
ATP Challenger Tulsa
ATP Challenger Genua
ATP Challenger Toluca de Lerdo
Munich Challenger 1989
ATP Challenger Bogotá
ATP Challenger Saint-Brieuc
ATP Challenger Dallas
Oracle Challenger Series – Houston 2018
Taipei Challenger 1992
ATP Challenger Ponte Vedra Beach
ATP Challenger Astana (2010–2014)
WTA Challenger Taipeh
ATP Challenger Košice
George Edward Challenger
ATP Challenger Ibagué
Oracle Challenger Series – Houston 2019
Oracle Challenger Series – Chicago 2018
Kolkata Challenger 2000
Tangier Challenger 2000
ATP Orbetello Challenger 2011
ATP Challenger Bogotá (1988–1996)
ATP Challenger Meknès
Compaq Challenger 2001
ATP Challenger La Réunion
Challenger Ficrea 2014
ATP Challenger Chennai
ATP Challenger Ulm
ATP Challenger Heilbronn-2
ATP Challenger Bogotá (Bancolombia Open)
Kyoto Challenger 1978
ATP Challenger São Paulo (2009–2010)
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
ATP Challenger Donostia-San Sebastián
Ostend Challenger 1993
ATP Challenger Fürth
ATP Challenger San Benedetto del Tronto
ATP Challenger Karlsruhe
Santiago Challenger 1992
Oracle Challenger Series – Indian Wells 2020
Tashkent Challenger 2016
Lucknow Challenger I 1999
Oracle Challenger Series – Indian Wells 2019
Oracle Challenger Series – New Haven 2019
ATP Challenger São Paulo (1982–2002)
Relyaid Natomas Challenger 2012
Bressanone Challenger 1999
ATP Challenger Bogotá (Copa Petrobras)
ATP Challenger Prostějov
Dodge Challenger
Oracle Challenger Series – Newport Beach 2018
ATP Challenger Kyōto
Ribeirão Preto Challenger 1979
Granby Challenger 1995
ATP Challenger Santa Cruz
Tallahassee Tennis Challenger 2002
Wailea Men’s Challenger 2006
Uncle Toby’s Challenger in Caloundra 2004
WTA 125
Challenger (Schiff, 1904)
Logopark ATP Challenger 2005
Nairobi Challenger I 1990
Relyaid Natomas Racquet Club Challenger 2011
Nottingham Challenger II 2005
ATP Challenger São Paulo (2012–2013)
Chicago Men’s Challenger 2022
Freeman Men’s Challenger 2005
Nairobi Challenger II 1990
Challenger Hamburg – Hamburg Ladies & Gents Cup 2023
Challenger La Manche – Cherbourg 2019
Hancock Bank Men’s Challenger 2007
Lucknow Challenger II 1999
Challenge
Ipsos Bucharest Challenger 2007
Challenger La Manche – Cherbourg 2017
Moncton Men’s Challenger 2008
Nottingham Challenger I 2006
Challenger La Manche – Cherbourg 2015
Kuala Lumpur Challenger I 1993
Challenger La Manche – Cherbourg 2016
Río Grande Challenger 1997
Chicago Men’s Challenger 2024
Georgia’s Rome Challenger 2022
Challenger 3
STS-51-L
Maccabi Men’s Challenger 2009
S’Tennis Masters Challenger 2007
Crans Montana Challenger 1988
Hilton Waikoloa Village USTA Challenger 2007
Hilton Waikoloa Village USTA Challenger 2002
Chicago Men’s Challenger 2023
American Express – Istanbul Challenger 2012
American Express – Istanbul Challenger 2018
Challenger Internazionale Dell’Insubria 2008
S’Tennis Masters Challenger 2008
Uncle Toby’s Burnie Challenger 2004
Project Independence Men’s Challenger 2003
Freeman Men’s Challenger 2006
Freeman Men’s Challenger 2007
Harrah’s Entertainment Challenger 2006
Charlottesville Men’s Pro Challenger 2015
ATP Challenger Nouméa
Challenger La Manche – Cherbourg 2022