1991 ATP Challenger Series

The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1991 ATP Challenger Series calendar comprised 94 tournaments, with prize money ranging from $25,000 up to $100,000.^[1][2]

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
28.01.	Germany	Heilbronn Open	$ 050,000	32S/16D	Carpet (i)	Diego Nargiso	Diego Nargiso Stefano Pescosolido
	Chile	Viña del Mar Challenger	$ 025,000	32S/16D	Clay	Gustavo Giussani	Juan Pino Mario Tabares
28.01.	Nigeria	Benin City Challenger	$ 050,000	32S/16D	Hard	Ugo Colombini	Mark Keil Scott Patridge
	India	Bangalore Challenger	$ 025,000	32S/16D	Clay	Frank Dennhardt	Vladimir Gabrichidze Mihnea-Ion Năstase

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
04.02.	Indonesia	Jakarta Challenger I	$ 075,000	32S/16D	Clay	Václav Roubíček	Massimo Ardinghi Massimo Boscatto
	Nigeria	Lagos Challenger	$ 075,000	32S/16D	Hard	Paul Haarhuis	Ugo Colombini Paul Wekesa
	Great Britain	Telford Challenger	$ 050,000	32S/16D	Carpet (i)	Jan Siemerink	Martin Laurendeau Leonardo Lavalle
11.02.	Brazil	São Paulo Challenger I	$ 025,000	32S/16D	Clay	Gabriel Markus	Henrik Holm Nils Holm
18.02.	Brazil	Americana Challenger	$ 025,000	32S/16D	Hard	Shuzo Matsuoka	Alexandre Hocevar Marcos Hocevar
25.02.	Guadeloupe	Guadeloupe Challenger	$ 075,000	32S/16D	Hard	Olivier Delaître	João Cunha e Silva Nuno Marques
	United States	Indian Wells Challenger	$ 050,000	32S/16D	Hard	Cristiano Caratti	Joey Rive Robert Van't Hof

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
11.03.	Chile	Santiago Challenger	$ 025,000	32S/16D	Clay	Alberto Mancini	Gustavo Garetto Marcelo Ingaramo
25.03.	Mexico	San Luis Potosí Challenger	$ 100,000	32S/16D	Clay	Pablo Arraya	Mauricio Hadad Daniel Orsanic
	France	Marseille Challenger	$ 050,000	32S/16D	Clay	Ronald Agénor	Massimo Boscatto Stefano Pescosolido

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
01.04.	Spain	Zaragoza Challenger	$ 050,000	32S/16D	Clay	José Francisco Altur	Massimo Cierro Stefano Pescosolido
08.04.	Italy	Parioli Challenger	$ 050,000	32S/16D	Clay	Stefano Pescosolido	Marcos Górriz Andrei Olhovskiy
15.04.	Mexico	Mexico City Challenger	$ 100,000	32S/16D	Clay	Fernando Roese	Ricardo Acioly Pablo Albano
	Portugal	Oporto Challenger I	$ 100,000	32S/16D	Clay	Stefano Pescosolido	Dimitri Poliakov Tomáš Anzari
	Chinese Taipei	Taipei Challenger	$ 100,000	32S/16D	Hard	Markus Zoecke	Kelly Jones Todd Woodbridge
22.04.	Portugal	Lisbon Challenger	$ 100,000	32S/16D	Clay	Bart Wuyts	David Adams Jaime Oncins
	United States	Birmingham Challenger	$ 050,000	32S/16D	Clay	Marcelo Ingaramo	Mark Keil Dave Randall
	Japan	Nagoya Challenger	$ 050,000	32S/16D	Hard	John Stimpson	Glenn Layendecker Simon Youl
29.04.	Malaysia	Kuala Lumpur Challenger	$ 050,000	32S/16D	Hard	Glenn Layendecker	Andrew Castle Paul Wekesa
	Czechoslovakia	Prague Challenger	$ 025,000	32S/16D	Clay	Jan Kodeš Jr.	Steve DeVries Richard Vogel
	Brazil	São Paulo Challenger II	$ 025,000	32S/16D	Hard	Fernando Roese	Ricardo Acioly Mauro Menezes

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
06.05.	Yugoslavia	Ljubljana Challenger	$ 050,000	32S/16D	Clay	Slobodan Živojinović	Andrei Olhovskiy Slobodan Živojinović
	Brazil	Ribeirão Challenger	$ 025,000	32S/16D	Clay	Roberto Jabali	Ricardo Acioly Mauro Menezes
27.05.	Germany	Bielefeld Challenger	$ 050,000	32S/16D	Clay	Dimitri Poliakov	Carl Limberger Florin Segărceanu

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
03.06.	Italy	Turin Challenger	$ 100,000	32S/16D	Clay	Paolo Canè	Omar Camporese Renzo Furlan
	Germany	Quelle Cup	$ 050,000	32S/16D	Clay	Marcos Górriz	Marcos Górriz Maurice Ruah
10.06.	Germany	Cologne Challenger	$ 050,000	32S/16D	Clay	Magnus Gustafsson	Brent Haygarth Byron Talbot
	Brazil	Itu Challenger	$ 025,000	32S/16D	Hard	Libor Němeček	Ricardo Acioly Mauro Menezes
24.06.	Austria	Salzburg Challenger	$ 100,000	32S/16D	Clay	Markus Rackl	Johan Carlsson David Engel
	Spain	Seville Challenger	$ 025,000	32S/16D	Clay	Lars Koslowski	David Rikl Éric Winogradsky

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
01.07.	Portugal	Oporto Challenger II	$ 100,000	32S/16D	Clay	Bart Wuyts	Josef Čihák Tomáš Anzari
	Italy	Salerno Challenger	$ 075,000	32S/16D	Clay	Guillermo Pérez Roldán	Marcos Ondruska Nicolás Pereira
	Switzerland	Nyon Challenger	$ 025,000	32S/16D	Clay	Markus Naewie	Martin Damm Branislav Stankovič
08.07.	Great Britain	Bristol Challenger	$ 050,000	32S/16D	Grass	John Fitzgerald	Nduka Odizor Michiel Schapers
	Brazil	Gramado Challenger	$ 050,000	32S/16D	Hard	Laurent Prades	Nelson Aerts Fernando Roese
	Japan	Kakegawa Challenger	$ 050,000	32S/16D	Hard	Massimo Ardinghi	Sean Cole Eoin Collins
	Germany	Müller Cup	$ 050,000	32S/16D	Clay	Rodolphe Gilbert	Tarik Benhabiles Olivier Delaître
	United States	New Haven Challenger	$ 050,000	32S/16D	Hard	Alex O'Brien	Royce Deppe T. J. Middleton
15.07.	Finland	Tampere Challenger	$ 100,000	32S/16D	Clay	Claudio Pistolesi	Tomás Carbonell Marcos Górriz
	Great Britain	Newcastle Challenger	$ 050,000	32S/16D	Grass	Christo van Rensburg	Nick Fulwood Peter Nyborg
	Brazil	Campos Challenger	$ 025,000	32S/16D	Hard	Yahiya Doumbia	Yahiya Doumbia Jean-Philippe Fleurian
22.07.	United States	Aptos Challenger	$ 050,000	32S/16D	Hard	Chuck Adams	Nduka Odizor Bryan Shelton
	Brazil	Fortaleza Challenger	$ 050,000	32S/16D	Clay	Oliver Fernández	Nelson Aerts Danilo Marcelino
	Finland	Hanko Challenger	$ 050,000	32S/16D	Clay	Jan Apell	Jan Apell Olli Rahnasto
	Poland	Warsaw Challenger	$ 050,000	32S/16D	Clay	Martin Damm	Ģirts Dzelde Andres Võsand
29.07.	Spain	Salou Challenger	$ 075,000	32S/16D	Clay	Leonardo Lavalle	Murphy Jensen Francisco Montana
	Brazil	Lins Challenger	$ 050,000	32S/16D	Clay	Nicolás Pereira	Ricardo Acioly Mauro Menezes
	United States	Winnetka Challenger	$ 050,000	32S/16D	Hard	Byron Black	Byron Black Scott Melville

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
05.08.	Italy	Cervia Challenger	$ 100,000	32S/16D	Clay	Claudio Mezzadri	Christian Miniussi Diego Pérez
	Spain	Open Castilla y León	$ 100,000	32S/16D	Hard	Javier Sánchez	Francisco Clavet Javier Sánchez
	Brazil	São Paulo Challenger III	$ 025,000	32S/16D	Clay	Nicolás Pereira	Pablo Albano Luis Lobo
12.08.	Italy	Pescara Challenger	$ 050,000	32S/16D	Clay	Vladimir Gabrichidze	Josef Čihák Tomáš Anzari
19.08.	Switzerland	Geneva Challenger	$ 050,000	32S/16D	Clay	Marcos Górriz	Vladimir Gabrichidze Martin Střelba
	Indonesia	Jakarta Challenger II	$ 025,000	32S/16D	Hard	Mario Visconti	Mike Briggs Trevor Kronemann
26.08.	Italy	Merano Challenger	$ 025,000	32S/16D	Clay	Frédéric Fontang	Carlos Costa Christian Miniussi

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
02.09.	Turkey	Istanbul Challenger	$ 100,000	32S/16D	Hard	Olivier Delaître	Nils Holm Henrik Holm
	Italy	Venice Challenger	$ 100,000	32S/16D	Clay	Carlos Costa	Jordi Arrese Francisco Roig
	Austria	Graz Challenger	$ 025,000	32S/16D	Clay	Thomas Buchmayer	Jan Apell Raviv Weidenfeld
09.09.	Portugal	Azores Challenger	$ 100,000	32S/16D	Hard	Marcos Ondruska	Byron Black T. J. Middleton
16.09.	Romania	Bucharest Challenger	$ 100,000	32S/16D	Clay	Marcelo Filippini	Lars Koslowski Tomas Nydahl
	Italy	Messina Challenger	$ 100,000	32S/16D	Clay	Massimo Valeri	Renzo Furlan Guillermo Pérez Roldán
	Colombia	Bogotá Challenger	$ 050,000	32S/16D	Clay	Roberto Saad	Gustavo Guerrero Roberto Saad
	Singapore	Singapore Challenger	$ 050,000	32S/16D	Hard	Mark Woodforde	Mike Briggs Trevor Kronemann
	Canada	Whistler Challenger	$ 050,000	32S/16D	Hard	Fabio Silberberg	Steve DeVries Patrick Galbraith
	Portugal	Madeira Challenger	$ 025,000	32S/16D	Hard	Byron Black	John-Laffnie de Jager Byron Talbot
23.09.	United States	Bloomfield Challenger	$ 050,000	32S/16D	Hard	Chris Pridham	Steve DeVries Matt Lucena
	Colombia	Cali Challenger	$ 050,000	32S/16D	Clay	Xavier Daufresne	Gustavo Guerrero Roberto Saad
30.09.	Italy	Siracusa Challenger	$ 075,000	32S/16D	Clay	Carlos Costa	Massimo Boscatto Cristian Brandi
	Israel	Jerusalem Challenger	$ 050,000	32S/16D	Hard	Christo van Rensburg	John-Laffnie de Jager Christo van Rensburg
	United States	Ponte Vedra Beach Challenger	$ 050,000	32S/16D	Hard	Jonathan Stark	Steve DeVries Kenny Thorne

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
07.10.	United States	Pembroke Pines Challenger	$ 075,000	32S/16D	Clay	Raúl Viver	Roberto Saad Tobias Svantesson
	Morocco	Casablanca Challenger	$ 050,000	32S/16D	Clay	Jens Wöhrmann	Marc-Kevin Goellner Bertrand Madsen
	France	Cherbourg Challenger	$ 050,000	32S/16D	Hard (i)	Jeremy Bates	Sander Groen Byron Talbot
	Italy	Reggio Calabria Challenger	$ 050,000	32S/16D	Clay	Lars Koslowski	Cristian Brandi Federico Mordegan
14.10.	Egypt	Cairo Challenger	$ 100,000	32S/16D	Hard	Bryan Shelton	Martin Damm David Rikl
	Brazil	São Paulo Challenger IV	$ 050,000	32S/16D	Clay	Jaime Oncins	Luiz Mattar Jaime Oncins
21.10.	France	Brest Challenger	$ 100,000	32S/16D	Hard (i)	Fabrice Santoro	Lars Koslowski Arne Thoms
28.10.	Germany	Lambertz Open by STAWAG	$ 050,000	32S/16D	Carpet (i)	Alexander Mronz	Mark Keil Byron Talbot

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
04.11.	Finland	Helsinki Challenger	$ 100,000	32S/16D	Carpet (i)	Michiel Schapers	Tarik Benhabiles Henri Leconte
	Australia	Tasmania Challenger	$ 025,000	32S/16D	Hard	Sandon Stolle	Michael Brown Andrew Kratzmann
11.11.	Brazil	São Paulo Challenger V	$ 050,000	32S/16D	Clay	Raúl Viver	Francisco Montana Greg Van Emburgh
	New Zealand	Christchurch Challenger	$ 025,000	32S/16D	Carpet (i)	Mark Petchey	Neil Borwick Simon Youl
18.11.	Germany	Munich Challenger	$ 050,000	32S/16D	Carpet (i)	Arne Thoms	Tom Kempers Chris Pridham
	New Zealand	Auckland Challenger	$ 025,000	32S/16D	Hard	Simon Youl	Bruce Derlin Carl Limberger
	Brazil	São Paulo Challenger VI	$ 025,000	32S/16D	Hard	Cássio Motta	João Cunha e Silva Fernando Roese
25.11.	Switzerland	Bossonnens Challenger	$ 100,000	32S/16D	Hard (i)	Christo van Rensburg	Alex Antonitsch Menno Oosting
	South Africa	Johannesburg Challenger	$ 100,000	32S/16D	Hard	Todd Witsken	Kevin Curren Royce Deppe
	Mexico	Puebla Challenger	$ 050,000	32S/16D	Hard	Kent Kinnear	Oliver Fernández Luis Herrera

Date	Country	Tournament	Prizemoney	Draw	Surface	Singles champion	Doubles champions
09.12.	Hong Kong	Hongkong Challenger	$ 025,000	32S/16D	Hard	Bernd Karbacher	Luke Jensen Murphy Jensen
16.12.	Guam	Guam Challenger	$ 025,000	32S/16D	Hard	Richard Matuszewski	Steve DeVries Ted Scherman