Challenger, Bombardier Challenger 600, ATP Challenger Tour, ATP Challenger Arad, Bombardier Challenger 850, ATP Challenger Brașov, The Challenger, ISU-Challenger-Serie, ATP Challenger Timișoara, ATP Challenger Telde, ATP Challenger Maui, ATP Challenger Río Grande, ATP Challenger Kachetien, ATP Challenger Porto-2, Challenger (Raumfähre), Chess Challenger, ATP Challenger Rosario, ATP Challenger Kigali, ATP Challenger Andrézieux-Bouthéon, ATP Challenger Brazzaville, ATP Challenger Kōbe, ATP Challenger Cherbourg, ATP Challenger Gimcheon, ATP Challenger Raʿanana, ATP Challenger Båstad, ATP Challenger Meran, ATP Challenger Córdoba, ATP Challenger Piracicaba, ATP Challenger Wuhan, ATP Challenger Kuwait, ATP Challenger Danderyd, Challenger Series, ATP Challenger Recanati, ATP Challenger St. Ulrich in Gröden, ATP Challenger Itajaí, ATP Challenger Samarqand, ATP Challenger Mantua, ATP Challenger Dijon, ATP Challenger Savannah, ATP Challenger São Paulo (2013–2016), ATP Challenger Lugano

ATP Challenger Ahmedabad, ATP Challenger San Miguel de Tucumán, ATP Challenger Hangzhou, ATP Challenger Antofagasta, ATP Challenger Shenzhen-3, ATP Challenger Tour 2009, ATP Challenger Drummondville, ATP Challenger Ostende, ATP Challenger Tanger, ATP Challenger Nottingham-4, ATP Challenger Rogaška Slatina, ATP Challenger Fargʻona, ATP Challenger Fès, ATP Challenger Tallahassee, ATP Challenger Manama, ATP Challenger Knokke-Heist, ATP Challenger Garmisch-Partenkirchen, ATP Challenger Sibiu, ATP Challenger Tunica Resorts, ATP Challenger Flushing Meadow, ATP Challenger Guimarães, ATP Challenger Ojai, ATP Challenger Astana (seit 2016), ATP Challenger Reggio nell’Emilia, ATP Challenger Acapulco-2, ATP Challenger Charlottesville, ATP Challenger Pozoblanco, ATP Challenger Daytona Beach, ATP Challenger Sanremo, ATP Challenger Santa Clarita, ATP Challenger Toluca de Lerdo, ATP Challenger São Paulo (2004), ATP Challenger Aptos, ATP Challenger Champaign, Bombardier Challenger 300, ATP Challenger Granby, ATP Challenger Dharwad, ATP Challenger Tiburon, ATP Challenger Astana (2010–2014), Triple C Challenger Cars, ATP Challenger Tulsa, ATP Challenger Benin City, ATP Challenger Meknès, ATP Challenger Anning, ATP Challenger Toljatti, ATP Challenger Bogotá, ATP Challenger Bogotá (1988–1996), ATP Challenger Saint-Brieuc, ATP Challenger Chennai, ATP Challenger Donezk

Challenger, Bombardier Challenger 600, ATP Challenger Tour, ATP Challenger Arad, Bombardier Challenger 850, ATP Challenger Brașov, The Challenger, ISU-Challenger-Serie, ATP Challenger Timișoara, ATP Challenger Telde, ATP Challenger Maui, ATP Challenger Río Grande, ATP Challenger Kachetien, ATP Challenger Porto-2, Challenger (Raumfähre), Chess Challenger, ATP Challenger Rosario, ATP Challenger Kigali, ATP Challenger Andrézieux-Bouthéon, ATP Challenger Brazzaville, ATP Challenger Kōbe, ATP Challenger Cherbourg, ATP Challenger Gimcheon, ATP Challenger Raʿanana, ATP Challenger Båstad, ATP Challenger Meran, ATP Challenger Córdoba, ATP Challenger Piracicaba, ATP Challenger Wuhan, ATP Challenger Kuwait, ATP Challenger Danderyd, Challenger Series, ATP Challenger Recanati, ATP Challenger St. Ulrich in Gröden, ATP Challenger Itajaí, ATP Challenger Samarqand, ATP Challenger Mantua, ATP Challenger Dijon, ATP Challenger Savannah, ATP Challenger São Paulo (2013–2016), ATP Challenger Lugano, ATP Challenger Ahmedabad, ATP Challenger San Miguel de Tucumán, ATP Challenger Hangzhou, ATP Challenger Antofagasta, ATP Challenger Shenzhen-3, ATP Challenger Tour 2009, ATP Challenger Drummondville, ATP Challenger Ostende, ATP Challenger Tanger, ATP Challenger Nottingham-4, ATP Challenger Rogaška Slatina, ATP Challenger Fargʻona, ATP Challenger Fès, ATP Challenger Tallahassee, ATP Challenger Manama, ATP Challenger Knokke-Heist, ATP Challenger Garmisch-Partenkirchen, ATP Challenger Sibiu, ATP Challenger Tunica Resorts, ATP Challenger Flushing Meadow, ATP Challenger Guimarães, ATP Challenger Ojai, ATP Challenger Astana (seit 2016), ATP Challenger Reggio nell’Emilia, ATP Challenger Acapulco-2, ATP Challenger Charlottesville, ATP Challenger Pozoblanco, ATP Challenger Daytona Beach, ATP Challenger Sanremo, ATP Challenger Santa Clarita, ATP Challenger Toluca de Lerdo, ATP Challenger São Paulo (2004), ATP Challenger Aptos, ATP Challenger Champaign, Bombardier Challenger 300, ATP Challenger Granby, ATP Challenger Dharwad, ATP Challenger Tiburon, ATP Challenger Astana (2010–2014), Triple C Challenger Cars, ATP Challenger Tulsa, ATP Challenger Benin City, ATP Challenger Meknès, ATP Challenger Anning, ATP Challenger Toljatti, ATP Challenger Bogotá, ATP Challenger Bogotá (1988–1996), ATP Challenger Saint-Brieuc, ATP Challenger Chennai, ATP Challenger Donezk, ATP Challenger Ponte Vedra Beach, ATP Challenger Košice, ATP Challenger Floridablanca, ATP Challenger Ibagué, WTA Challenger Taipeh, ATP Challenger Busan, Oracle Challenger Series – Houston 2019, Oracle Challenger Series – Chicago 2018, ATP Challenger Besançon, ATP Challenger Székesfehérvár, Oracle Challenger Series – Houston 2018, ATP Challenger La Réunion, ATP Challenger Mérida, George Edward Challenger, ATP Challenger Dallas, ATP Challenger Nottingham-2, ATP Challenger São Leopoldo, ATP Challenger São Paulo (2009–2010), ATP Challenger São Paulo (seit 2020), ATP Challenger Viña del Mar, ATP Challenger Aracaju, Bressanone Challenger 1999, ATP Challenger São Paulo (2013–2015), ATP Challenger Orléans, ATP Challenger Ulm, ATP Challenger Fürth, ATP Challenger Cortina d’Ampezzo, ATP Challenger Genua, ATP Challenger Karlsruhe, Ostend Challenger 1993, Men’s Rimouski Challenger 2011, Kyoto Challenger 1978, Oracle Challenger Series – Newport Beach 2018, Taipei Challenger 1992, Oracle Challenger Series – Newport Beach 2019, Oracle Challenger Series – Newport Beach 2020, Oracle Challenger Series – Indian Wells 2018, Munich Challenger 1989, Oracle Challenger Series – Indian Wells 2020, Oracle Challenger Series – Indian Wells 2019, Tashkent Challenger 2016, Oracle Challenger Series – New Haven 2019, ATP Challenger Prostějov, Relyaid Natomas Challenger 2012, Kolkata Challenger 2000, Tangier Challenger 2000, Compaq Challenger 2001, ATP Challenger Bogotá (Copa Petrobras), ATP Challenger São Paulo (2012–2013), Santiago Challenger 1992, Challenger Ficrea 2014, ATP Challenger Heilbronn-2, ATP Orbetello Challenger 2011, Lucknow Challenger I 1999, Hancock Bank Men’s Challenger 2007, ATP Challenger São Paulo (1982–2002), ATP Challenger Santa Cruz, ATP Challenger Bogotá (Bancolombia Open), Granby Challenger 1995, Dodge Challenger