| Details | |
|---|---|
| Duration | 28 January 1991 – 22 December 1991 | 
| Edition | 14th | 
| Tournaments | 95 | 
| Achievements (singles) | |
| ← 1990   1992 → | |
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 | 
|---|---|---|---|---|---|---|---|
| 21.01. |  Germany | Heilbronn Open | $ 50,000 | 32S/16D | Carpet (i) |  Diego Nargiso |  Diego Nargiso  Stefano Pescosolido | 
|  Chile | Viña del Mar Challenger | $ 25,000 | 32S/16D | Clay |  Gustavo Giussani |  Juan Pino  Mario Tabares | |
| 28.01. |  Nigeria | Benin City Challenger | $ 50,000 | 32S/16D | Hard |  Ugo Colombini |  Mark Keil  Scott Patridge | 
|  India | Bangalore Challenger | $ 25,000 | 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 | $ 75,000 | 32S/16D | Clay |  Václav Roubíček |  Massimo Ardinghi  Massimo Boscatto | 
|  Nigeria | Lagos Challenger | $ 75,000 | 32S/16D | Hard |  Paul Haarhuis |  Ugo Colombini  Paul Wekesa | |
|  Great Britain | Telford Challenger | $ 50,000 | 32S/16D | Carpet (i) |  Jan Siemerink |  Martin Laurendeau  Leonardo Lavalle | |
| 11.02. |  Brazil | São Paulo Challenger I | $ 25,000 | 32S/16D | Clay |  Gabriel Markus |  Henrik Holm  Nils Holm | 
| 18.02. |  Brazil | Americana Challenger | $ 25,000 | 32S/16D | Hard |  Shuzo Matsuoka |  Alexandre Hocevar  Marcos Hocevar | 
| 25.02. |  Guadeloupe | Guadeloupe Challenger | $ 75,000 | 32S/16D | Hard |  Olivier Delaître |  João Cunha e Silva  Nuno Marques | 
|  United States | Indian Wells Challenger | $ 50,000 | 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 | $ 25,000 | 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 | $ 50,000 | 32S/16D | Clay |  Ronald Agénor |  Massimo Boscatto  Stefano Pescosolido | 
| Date | Country | Tournament | Prizemoney | Draw | Surface | Singles champion | Doubles champions | 
|---|---|---|---|---|---|---|---|
| 06.05. |  Yugoslavia | Ljubljana Challenger | $ 50,000 | 32S/16D | Clay |  Slobodan Živojinović |  Andrei Olhovskiy  Slobodan Živojinović | 
|  Brazil | Ribeirão Challenger | $ 25,000 | 32S/16D | Clay |  Roberto Jabali |  Ricardo Acioly  Mauro Menezes | |
| 27.05. |  Germany | Bielefeld Challenger | $ 50,000 | 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 | $ 50,000 | 32S/16D | Clay |  Marcos Górriz |  Marcos Górriz  Maurice Ruah | |
| 10.06. |  Germany | Cologne Challenger | $ 50,000 | 32S/16D | Clay |  Magnus Gustafsson |  Brent Haygarth  Byron Talbot | 
|  Brazil | Itu Challenger | $ 25,000 | 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 | $ 25,000 | 32S/16D | Clay |  Lars Koslowski |  David Rikl  Éric Winogradsky | 
| 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 | $ 25,000 | 32S/16D | Clay |  Nicolás Pereira |  Pablo Albano  Luis Lobo | |
| 12.08. |  Italy | Pescara Challenger | $ 50,000 | 32S/16D | Clay |  Vladimir Gabrichidze |  Josef Čihák  Tomáš Anzari | 
| 19.08. |  Switzerland | Geneva Challenger | $ 50,000 | 32S/16D | Clay |  Marcos Górriz |  Vladimir Gabrichidze  Martin Střelba | 
|  Indonesia | Jakarta Challenger II | $ 25,000 | 32S/16D | Hard |  Mario Visconti |  Mike Briggs  Trevor Kronemann | |
| 26.08. |  Italy | Merano Challenger | $ 25,000 | 32S/16D | Clay |  Frédéric Fontang |  Carlos Costa  Christian Miniussi | 
| Date | Country | Tournament | Prizemoney | Draw | Surface | Singles champion | Doubles champions | 
|---|---|---|---|---|---|---|---|
| 07.10. |  United States | Pembroke Pines Challenger | $ 75,000 | 32S/16D | Clay |  Raúl Viver |  Roberto Saad  Tobias Svantesson | 
|  Morocco | Casablanca Challenger | $ 50,000 | 32S/16D | Clay |  Jens Wöhrmann |  Marc-Kevin Goellner  Bertrand Madsen | |
|  France | Cherbourg Challenger | $ 50,000 | 32S/16D | Hard (i) |  Jeremy Bates |  Sander Groen  Byron Talbot | |
|  Italy | Reggio Calabria Challenger | $ 50,000 | 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 | $ 50,000 | 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 | $ 50,000 | 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 | $ 25,000 | 32S/16D | Hard |  Sandon Stolle |  Michael Brown  Andrew Kratzmann | |
| 11.11. |  Brazil | São Paulo Challenger V | $ 50,000 | 32S/16D | Clay |  Raúl Viver |  Francisco Montana  Greg Van Emburgh | 
|  New Zealand | Christchurch Challenger | $ 25,000 | 32S/16D | Carpet (i) |  Mark Petchey |  Neil Borwick  Simon Youl | |
| 18.11. |  Germany | Munich Challenger | $ 50,000 | 32S/16D | Carpet (i) |  Arne Thoms |  Tom Kempers  Chris Pridham | 
|  New Zealand | Auckland Challenger | $ 25,000 | 32S/16D | Hard |  Simon Youl |  Bruce Derlin  Carl Limberger | |
|  Brazil | São Paulo Challenger VI | $ 25,000 | 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 | $ 50,000 | 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 | $ 25,000 | 32S/16D | Hard |  Bernd Karbacher |  Luke Jensen  Murphy Jensen | 
| 16.12. |  Guam | Guam Challenger | $ 25,000 | 32S/16D | Hard |  Richard Matuszewski |  Steve DeVries  Ted Scherman |