# 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.

## Schedule
### January

| 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 |
| 28.01. | 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 |
| 28.01. | India | Bangalore Challenger | $ 025,000 | 32S/16D | Clay | Frank Dennhardt | Vladimir Gabrichidze Mihnea-Ion Năstase |

### February

| 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 |
| 04.02. | Nigeria | Lagos Challenger | $ 075,000 | 32S/16D | Hard | Paul Haarhuis | Ugo Colombini Paul Wekesa |
| 04.02. | 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 |
| 25.02. | United States | Indian Wells Challenger | $ 050,000 | 32S/16D | Hard | Cristiano Caratti | Joey Rive Robert Van't Hof |

### March

| 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 |
| 25.03. | France | Marseille Challenger | $ 050,000 | 32S/16D | Clay | Ronald Agénor | Massimo Boscatto Stefano Pescosolido |

### April

| 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 |
| 15.04. | Portugal | Oporto Challenger I | $ 100,000 | 32S/16D | Clay | Stefano Pescosolido | Dimitri Poliakov Tomáš Anzari |
| 15.04. | 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 |
| 22.04. | United States | Birmingham Challenger | $ 050,000 | 32S/16D | Clay | Marcelo Ingaramo | Mark Keil Dave Randall |
| 22.04. | 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 |
| 29.04. | Czechoslovakia | Prague Challenger | $ 025,000 | 32S/16D | Clay | Jan Kodeš Jr. | Steve DeVries Richard Vogel |
| 29.04. | Brazil | São Paulo Challenger II | $ 025,000 | 32S/16D | Hard | Fernando Roese | Ricardo Acioly Mauro Menezes |

### May

| 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 |
| 06.05. | 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 |

### June

| 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 |
| 03.06. | 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 |
| 10.06. | 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 |
| 24.06. | Spain | Seville Challenger | $ 025,000 | 32S/16D | Clay | Lars Koslowski | David Rikl Éric Winogradsky |

### July

| 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 |
| 01.07. | Italy | Salerno Challenger | $ 075,000 | 32S/16D | Clay | Guillermo Pérez Roldán | Marcos Ondruska Nicolás Pereira |
| 01.07. | 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 |
| 08.07. | Brazil | Gramado Challenger | $ 050,000 | 32S/16D | Hard | Laurent Prades | Nelson Aerts Fernando Roese |
| 08.07. | Japan | Kakegawa Challenger | $ 050,000 | 32S/16D | Hard | Massimo Ardinghi | Sean Cole Eoin Collins |
| 08.07. | Germany | Müller Cup | $ 050,000 | 32S/16D | Clay | Rodolphe Gilbert | Tarik Benhabiles Olivier Delaître |
| 08.07. | 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 |
| 15.07. | Great Britain | Newcastle Challenger | $ 050,000 | 32S/16D | Grass | Christo van Rensburg | Nick Fulwood Peter Nyborg |
| 15.07. | 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 |
| 22.07. | Brazil | Fortaleza Challenger | $ 050,000 | 32S/16D | Clay | Oliver Fernández | Nelson Aerts Danilo Marcelino |
| 22.07. | Finland | Hanko Challenger | $ 050,000 | 32S/16D | Clay | Jan Apell | Jan Apell Olli Rahnasto |
| 22.07. | 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 |
| 29.07. | Brazil | Lins Challenger | $ 050,000 | 32S/16D | Clay | Nicolás Pereira | Ricardo Acioly Mauro Menezes |
| 29.07. | United States | Winnetka Challenger | $ 050,000 | 32S/16D | Hard | Byron Black | Byron Black Scott Melville |

### August

| 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 |
| 05.08. | Spain | Open Castilla y León | $ 100,000 | 32S/16D | Hard | Javier Sánchez | Francisco Clavet Javier Sánchez |
| 05.08. | 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 |
| 19.08. | 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 |

### September

| 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 |
| 02.09. | Italy | Venice Challenger | $ 100,000 | 32S/16D | Clay | Carlos Costa | Jordi Arrese Francisco Roig |
| 02.09. | 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 |
| 16.09. | Italy | Messina Challenger | $ 100,000 | 32S/16D | Clay | Massimo Valeri | Renzo Furlan Guillermo Pérez Roldán |
| 16.09. | Colombia | Bogotá Challenger | $ 050,000 | 32S/16D | Clay | Roberto Saad | Gustavo Guerrero Roberto Saad |
| 16.09. | Singapore | Singapore Challenger | $ 050,000 | 32S/16D | Hard | Mark Woodforde | Mike Briggs Trevor Kronemann |
| 16.09. | Canada | Whistler Challenger | $ 050,000 | 32S/16D | Hard | Fabio Silberberg | Steve DeVries Patrick Galbraith |
| 16.09. | 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 |
| 23.09. | 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 |
| 30.09. | Israel | Jerusalem Challenger | $ 050,000 | 32S/16D | Hard | Christo van Rensburg | John-Laffnie de Jager Christo van Rensburg |
| 30.09. | United States | Ponte Vedra Beach Challenger | $ 050,000 | 32S/16D | Hard | Jonathan Stark | Steve DeVries Kenny Thorne |

### October

| 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 |
| 07.10. | Morocco | Casablanca Challenger | $ 050,000 | 32S/16D | Clay | Jens Wöhrmann | Marc-Kevin Goellner Bertrand Madsen |
| 07.10. | France | Cherbourg Challenger | $ 050,000 | 32S/16D | Hard (i) | Jeremy Bates | Sander Groen Byron Talbot |
| 07.10. | 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 |
| 14.10. | 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 |

### November

| 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 |
| 04.11. | 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 |
| 11.11. | 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 |
| 18.11. | New Zealand | Auckland Challenger | $ 025,000 | 32S/16D | Hard | Simon Youl | Bruce Derlin Carl Limberger |
| 18.11. | 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 |
| 25.11. | South Africa | Johannesburg Challenger | $ 100,000 | 32S/16D | Hard | Todd Witsken | Kevin Curren Royce Deppe |
| 25.11. | Mexico | Puebla Challenger | $ 050,000 | 32S/16D | Hard | Kent Kinnear | Oliver Fernández Luis Herrera |

### December

| 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 |