The ATP Challenger Series is the second tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1993 ATP Challenger Series calendar comprised 97 tournaments, with prize money ranging from $25,000 up to $100,000.^[1][2]

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
04.01.	New Zealand	BP National Championships	$ 050,000	Hard	Byron Black	Paul Annacone Byron Black
18.01.	Spain	Tenerife Challenger	$ 025,000	Hard	José Francisco Altur	Ģirts Dzelde Andrei Merinov
25.01.	Germany	Heilbronn Open	$ 100,000	Carpet (i)	David Prinosil	Jan Apell Jonas Björkman
	India	Bangalore Challenger	$ 025,000	Clay	Andrea Gaudenzi	Donald Johnson Leander Paes

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
01.02.	Germany	Lippstadt Challenger	$ 025,000	Carpet (i)	Alexander Mronz	Filip Dewulf Martin Laurendeau
	Uruguay	Punta del Este Challenger	$ 025,000	Clay	Javier Frana	Jean-Philippe Fleurian Mark Koevermans
08.02.	Canada	Vancouver Challenger	$ 050,000	Hard (i)	Kenny Thorne	Ellis Ferreira Richard Schmidt
	Argentina	Mar del Plata Challenger	$ 025,000	Clay	Alberto Berasategui	Jean-Philippe Fleurian Mark Koevermans
	Germany	Volkswagen Challenger	$ 025,000	Clay	Cristiano Caratti	Donald Johnson Leander Paes
15.02.	France	Rennes Challenger	$ 100,000	Carpet (i)	Stéphane Simian	Jan Apell Jonas Björkman
	Germany	Emden Challenger	$ 025,000	Carpet (i)	Tomas Nydahl	Martin Laurendeau Michael Mortensen
	United States	Rancho Mirage Challenger	$ 025,000	Hard	Robbie Weiss	Todd Nelson Tobias Svantesson
22.02.	United States	Indian Wells Challenger	$ 050,000	Hard	Jason Stoltenberg	Pat Rafter Jason Stoltenberg
	Chile	Viña del Mar Challenger	$ 025,000	Clay	Marcelo Ingaramo	Marcelo Rebolledo Martín Rodríguez

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
01.03.	Germany	Garmisch-Partenkirchen Challenger	$ 025,000	Carpet (i)	Martin Laurendeau	Mike Bauer Alexander Mronz
15.03.	Italy	Bergamo Challenger	$ 050,000	Hard (i)	Jonas Björkman	Cristian Brandi Cristiano Caratti
22.03.	Morocco	Agadir Challenger	$ 075,000	Clay	Markus Naewie	Menno Oosting Goran Prpić
29.03.	Mexico	Acapulco Challenger	$ 100,000	Clay	Horst Skoff	Ellis Ferreira Richard Schmidt

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
05.04.	Mexico	San Luis Potosí Challenger	$ 100,000	Clay	Horst Skoff	Javier Frana Leonardo Lavalle
	Italy	Parioli Challenger	$ 050,000	Clay	Vincenzo Santopadre	Cristian Brandi Federico Mordegan
12.04.	Spain	Barcelona Challenger	$ 050,000	Clay	Jonas Svensson	Jordi Burillo Sergio Casal
	Chile	Santiago Challenger	$ 025,000	Clay	Not completed	Not completed
19.04.	United States	Birmingham Challenger	$ 075,000	Clay	Mikael Pernfors	Bryan Shelton Todd Witsken
	Japan	Nagoya Challenger	$ 050,000	Hard	Jonas Björkman	Jonas Björkman Donald Johnson
	Brazil	São Paulo Challenger I	$ 050,000	Clay	Fernando Meligeni	Mark Knowles Richard Schmidt
	Germany	Riemerling Challenger	$ 025,000	Clay (i)	Emilio Benfele Álvarez	Maurice Ruah Mario Tabares
26.04.	Chinese Taipei	Taipei Challenger	$ 100,000	Hard	Jason Stoltenberg	Tommy Ho Patrick Rafter
	Italy	Rome Challenger	$ 050,000	Clay	Thierry Guardiola	David Nainkin Grant Stafford

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
03.05.	Slovenia	Ljubljana Challenger	$ 100,000	Clay	Daniel Orsanic	Branislav Stankovič Richard Vogel
	Israel	Jerusalem Challenger	$ 050,000	Hard	Gilad Bloom	Gilad Bloom Christian Saceanu
	Malaysia	Kuala Lumpur Challenger I	$ 050,000	Hard	Gianluca Pozzi	Joshua Eagle Andrew Florent
10.05.	Germany	Ostdeutscher Sparkassen Cup	$ 050,000	Clay	David Rikl	Hendrik Jan Davids Yevgeny Kafelnikov
17.05.	Austria	Bruck Challenger	$ 025,000	Clay	Dimitri Poliakov	Nils Holm Lars-Anders Wahlgren
24.05.	Germany	Bochum Challenger	$ 025,000	Clay	Mikael Pernfors	Mårten Renström Joost Winnink
31.05.	Italy	Turin Challenger	$ 100,000	Clay	Richard Fromberg	Andrew Kratzmann Mårten Renström
	Germany	Quelle Cup	$ 050,000	Clay	Mikael Pernfors	Nils Holm Lars-Anders Wahlgren

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
14.06.	Slovakia	Košice Challenger	$ 025,000	Clay	David Rikl	Branislav Stankovič Marián Vajda
28.06.	Portugal	Oporto Challenger I	$ 025,000	Clay (i)	Younes El Aynaoui	Menno Oosting Daniel Vacek
	Spain	Seville Challenger	$ 025,000	Clay	Dirk Dier	Emilio Benfele Álvarez Pepe Imaz

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
05.07.	Great Britain	Bristol Challenger	$ 050,000	Grass	Chris Bailey	not played
	Germany	Wartburg Open	$ 025,000	Clay	Andrei Merinov	Christer Allgårdh Dimitri Poliakov
12.07.	United States	Aptos Challenger	$ 050,000	Hard	Pat Rafter	Gilad Bloom Christian Saceanu
	Germany	Müller Cup	$ 050,000	Clay	David Prinosil	David Prinosil Richard Vogel
	Great Britain	Newcastle Challenger	$ 050,000	Hard	Javier Sánchez	Jonas Björkman Peter Nyborg
	Finland	Tampere Challenger	$ 050,000	Clay	Christian Ruud	David Engel Nicklas Utgren
	Brazil	Campinas Challenger	$ 025,000	Clay	Fernando Meligeni	Gastón Etlis Óscar Ortiz
	Belgium	Ostend Challenger	$ 025,000	Clay	Jean-Philippe Fleurian	Stephen Noteboom Jack Waite
19.07.	Canada	Montebello Challenger	$ 050,000	Hard	Cristiano Caratti	David DiLucia Doug Flach
	Netherlands	Scheveningen Challenger	$ 050,000	Clay	Simon Youl	Nils Holm Lars-Anders Wahlgren
	Brazil	Belo Horizonte Challenger	$ 025,000	Hard	Martin Blackman	Ricardo Acioly Nicolás Pereira
	France	Montauban Challenger	$ 025,000	Clay	Christian Ruud	Saša Hiršzon Christian Ruud
	Germany	Oberstaufen Cup	$ 025,000	Clay	Milen Velev	Ctislav Doseděl Radomír Vašek
26.07.	Poland	Poznań Challenger	$ 050,000	Clay	Andrea Gaudenzi	Michiel Schapers Daniel Vacek
	United States	Winnetka Challenger	$ 050,000	Hard	Kevin Ullyett	Wayne Arthurs Mark Petchey

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
02.08.	Turkey	Istanbul Challenger	$ 100,000	Hard	Alex Antonitsch	Roger Smith Jean-Philippe Fleurian
	United States	Cincinnati Challenger	$ 050,000	Hard	Doug Flach	Johan de Beer Kevin Ullyett
09.08.	Spain	Open Castilla y León	$ 100,000	Hard	Alex Antonitsch	Juan Ignacio Carrasco Mark Petchey
	Belgium	Liège Challenger	$ 025,000	Clay	Gilbert Schaller	Brendan Curry Kirk Haygarth
16.08.	Austria	Graz Challenger	$ 100,000	Clay	Alberto Berasategui	Filip Dewulf Tom Vanhoudt
	United States	Bronx Challenger	$ 050,000	Hard	Jean-Philippe Fleurian	Johan de Beer Kevin Ullyett
	Switzerland	Geneva Challenger	$ 050,000	Clay	Gabriel Markus	Jan Apell Nicklas Utgren

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
06.09.	Portugal	Azores Challenger	$ 100,000	Hard	Rodolphe Gilbert	Bryan Shelton Roger Smith
	Italy	Venice Challenger	$ 100,000	Clay	Tomás Carbonell	Horacio de la Peña Juan Gisbert Schultze
	Brazil	São Paulo Challenger II	$ 025,000	Clay	Fernando Meligeni	Danilo Marcelino Fernando Meligeni
13.09.	Hungary	Budapest Challenger	$ 050,000	Clay	Jean-Philippe Fleurian	Filip Dewulf Tom Vanhoudt
	Brazil	Natal Challenger	$ 025,000	Clay	Jaime Oncins	Stephen Noteboom Jack Waite
20.09.	Portugal	Oporto Challenger II	$ 100,000	Clay	Franco Davín	Johan de Beer Brent Haygarth
	Venezuela	Caracas Challenger I	$ 075,000	Hard	Danilo Marcelino	Richard Matuszewski John Sullivan
	Colombia	Bogotá Challenger	$ 050,000	Clay	Mauricio Hadad	Mauricio Hadad Miguel Tobón
	United States	Fairfield Challenger	$ 050,000	Hard	Steve DeVries	Alex O'Brien Jared Palmer
	Singapore	Singapore Challenger	$ 050,000	Hard	Christo van Rensburg	Jeremy Bates Christo van Rensburg
	Czech Republic	Prague Challenger	$ 025,000	Clay	Gilbert Schaller	David Rikl Pavel Vízner
27.09.	Colombia	Cali Challenger	$ 050,000	Clay	Mauricio Hadad	Tom Kempers Jack Waite

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
04.10.	Mexico	Monterrey Challenger	$ 100,000	Hard	Lars Jönsson	Lan Bale Kevin Ullyett
	Ireland	Dublin Challenger	$ 050,000	Hard (i)	Paolo Canè	Mårten Renström Mikael Tillström
	Canada	Calgary Challenger	$ 025,000	Hard (i)	Sébastien Lareau	Sébastien Lareau Daniel Nestor
	Brazil	Cotia Challenger	$ 025,000	Hard	José Luis Noriega	Otávio Della Marcelo Saliola
11.10.	United States	Ponte Vedra Beach Challenger	$ 050,000	Hard	Jean-Philippe Fleurian	Sébastien Lareau Daniel Nestor
	Brazil	Recife Challenger	$ 050,000	Clay	Mark Petchey	João Cunha e Silva Jack Waite
18.10.	Venezuela	Caracas Challenger II	$ 075,000	Hard	Mauricio Hadad	Maurice Ruah Laurence Tieleman
	Sweden	Gothenburg Challenger	$ 050,000	Carpet (i)	Jeremy Bates	Jeremy Bates Chris Wilkinson
	Réunion	Réunion Challenger	$ 050,000	Hard	Ronald Agénor	Jonathan Canter Jeff Tarango
	Brazil	Curitiba Challenger	$ 025,000	Clay	Gilbert Schaller	João Cunha e Silva Jack Waite
25.10.	France	Brest Challenger	$ 100,000	Carpet (i)	Jonathan Stark	Ellis Ferreira Grant Stafford
	Germany	Munich Challenger	$ 050,000	Carpet (i)	Martin Damm	Sander Groen Arne Thoms

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
01.11.	Germany	Lambertz Open by STAWAG	$ 050,000	Carpet (i)	Jonas Björkman	Jan Apell Jonas Björkman
15.11.	Brazil	São Luís Challenger	$ 050,000	Hard	David Rikl	Otávio Della Marcelo Saliola
22.11.	Indonesia	Jakarta Challenger	$ 050,000	Hard	Sébastien Lareau	Lan Bale David Nainkin
	Slovenia	Rogaška Challenger	$ 025,000	Carpet (i)	Yevgeny Kafelnikov	Gilad Bloom Fernon Wibier
29.11.	Andorra	Andorra Challenger	$ 025,000	Carpet (i)	Jörn Renzenbrink	Yevgeny Kafelnikov Fernon Wibier
	United States	Naples Challenger	$ 050,000	Clay	Karsten Braasch	Francisco Montana Jim Pugh
	Malaysia	Kuala Lumpur Challenger II	$ 025,000	Hard	Alexander Mronz	Sébastien Lareau Daniel Nestor
	Australia	Perth Challenger	$ 025,000	Grass	David Adams	Paul Kilderry Brent Larkham

Date	Country	Tournament	Prizemoney	Surface	Singles champion	Doubles champions
06.12.	Bermuda	XL Bermuda Open	$ 100,000	Clay	Mikael Pernfors	Mark Knowles Jared Palmer
	Australia	Adelaide Challenger	$ 025,000	Grass	Mark Petchey	Joshua Eagle Andrew Florent
	Hong Kong	Hongkong Challenger	$ 025,000	Hard	David Engel	Tommy Ho Shuzo Matsuoka
13.12.	Australia	Launceston Challenger	$ 025,000	Carpet (i)	Brent Larkham	Joshua Eagle Andrew Florent