The ATP Challenger Series is the second-tier tour for professional tennis organised by the Association of Tennis Professionals (ATP). The 1978 ATP Challenger Series calendar comprises 18 tournaments with prize money of $25,000.^[1] The American leg of the tour was known as the AMEX Challenger Circuit.^[2]

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
January 2	No tournaments scheduled.
January 9	Benson and Hedges Open Auckland, New Zealand Hard – $25,000 – 32S/16D Singles draw – Doubles draw	Eliot Teltscher 6–3, 7–5, 6–1	Onny Parun	Rod Frawley Robin Drysdale	Karl Meiler Russell Simpson Eric Fromm Chris Lewis
		Chris Lewis Russell Simpson 6–1, 7–6	Rod Frawley Karl Meiler
	Hobart Challenger Hobart, Australia Hard – $25,000 – 32S/16D Singles draw – Doubles draw	Bob Carmichael 4–6, 6–3, 6–4	John Marks	Peter McNamara Allan Stone	David Carter Chris Kachel Lawrence Hall Terry Rocavert
		Chris Kachel John Marks 6–1, 6–4	Greg Braun Peter Campbell
January 16	No tournaments scheduled.
January 23	No tournaments scheduled.
January 30	No tournaments scheduled.

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
June 5	No tournaments scheduled.
June 12	No tournaments scheduled.
June 19	Shreveport Challenger Shreveport, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Francisco González 7–6, 6–2	Marcello Lara	Réjean Genois Eliot Teltscher	Warren Maher John Sadri Keith Richardson Ferdi Taygan
		Ramiro Benavides Réjean Genois 7–6, 4–6, 6–2	Woody Blocher Dick R. Bohrnstedt
June 25	Birmingham Challenger Birmingham, United States Grass – $25,000 – 64S/32D Singles draw – Doubles draw	Deon Joubert 6–4, 6–2	Marcello Lara	Robert Van't Hof Francisco González	Mike Cahill Keith Richardson Alvin Gardiner Christophe Freyss
		Mike Cahill Marcello Lara 6–7, 6–4, 6–4	Woody Blocher Dick R. Bohrnstedt

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
July 3	Asheville Challenger Asheville, United States Clay – $25,000 – 64S/32D Singles draw – Doubles draw	Eliot Teltscher 6–1, 7–5	Deon Joubert	Mike Cahill Erick Iskersky	Francisco González Gilles Moretton Joe Meyers Pascal Portes
		Ramiro Benavides Réjean Genois 7–5, 4–6, 7–6	Jai DiLouie Ferdi Taygan
July 10	Raleigh Challenger Raleigh, United States Clay – $25,000 – 64S/32D Singles draw – Doubles draw	Mike Cahill 6–3, 3–6, 7–6	Willem Prinsloo	Dick R. Bohrnstedt Álvaro Betancur	Pat DuPré Eliot Teltscher Erick Iskersky Francisco González
		Francisco González Chris Sylvan 6–2, 3–6, 6–3	Bill Csipkay John Sadri
July 17	Hilton Head Challenger Hilton Head, United States Clay – $25,000 – 64S/32D Singles draw – Doubles draw	Ricardo Acuña 1–6, 6–3, 7–6	Tim Garcia	Haroon Ismail Willem Prinsloo	Carlos Gómez John Holladay Paul Kronk Howard Schoenfield
		Kevin Curren Peter Rennert 6–3, 4–6, 6–2	Greg Braun Paul Kronk
July 24	Virginia Beach Challenger Virginia Beach, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Deon Joubert 7–5, 6–1	Mike Cahill	Trey Waltke Russell Simpson	Howard Schoenfield Butch Seewagen Réjean Genois Johan Kriek
		Kevin Curren Peter Rennert 6–3, 6–2	Joe Meyers Trey Waltke
July 31	Wall Challenger Wall, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Johan Kriek 6–1, 7–6	Matt Mitchell	Jay Lapidus Dale Collings	Christopher Lewis Erick Iskersky Joel Bailey Haroon Ismail
		Kevin Curren Peter Rennert 6–1, 6–3	Jai DiLouie Haroon Ismail

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
August 7	Cape Cod Challenger Cape Cod, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Russell Simpson 6–4, 7–5	David Schneider	John Holladay Peter Campbell	Noel Phillips Hubertus Hoyt Bill Maze Charles Strode
		Matt Mitchell Bill Maze 6–4, 6–4	Kevin Curren Peter Rennert
August 14	Lancaster Challenger Lancaster, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Erik van Dillen 6–4, 6–7, 7–6	Kevin Curren	Peter Campbell John Austin	Michael Greenberg David Schneider Russell Simpson Ferdi Taygan
		Matt Mitchell Bill Maze 7–5, 6–3	Kevin Curren Peter Rennert
August 21	No tournaments scheduled.
August 28	No tournaments scheduled.

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
September 4	No tournaments scheduled.
September 11	No tournaments scheduled.
September 18	No tournaments scheduled.
September 25	Tinton Falls Challenger Tinton Falls, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Sashi Menon 3–6, 7–5, 6–3	John Sadri	Richard Meyer Bruce Kleege	David Schneider Rocky Maguire Haroon Ismail Michael Greenberg
		Keith Richardson John Sadri 6–7, 6–3, 6–4	Scott Carnahan Charles Strode
	Lincoln Challenger Lincoln, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	John Sadri 6–3, 6–2	Kevin Curren	Eric Fromm John Hayes	Brad Drewett John Trickey Richard Meyer Bruce Kleege
		Keith Richardson John Sadri 4–6, 6–3, 7–5	Richard Meyer Horace Reid

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
October 2	Salt Lake City Challenger Salt Lake City, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Kevin Curren 6–4, 6–0	Steve Docherty	Warren Eber Randy Crawford	Gene Malin Mike Machette Jon Molin Richard Legendre
		Marcello Lara John Whitlinger 6–4, 6–2	Haroon Ismail Warren Maher
October 9	No tournaments scheduled.
October 16	San Ramon Challenger San Ramon, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Tim Wilkison 7–6, 6–1	Bruce Manson	Bill Lloyd Michael Wayman	Mike Shore Bill Maze Russell Simpson Marty Riessen
		Marcello Lara John Whitlinger 6–3, 3–6, 7–6	Rick Fisher Erik van Dillen
	Tel Aviv Open Tel Aviv, Israel Hard – $25,000 – 32S/16D Singles draw – Doubles draw	Tom Okker 6–7, 6–4, 6–2	Peter Feigl	Shlomo Glickstein David Schneider	Réjean Genois Richard Lewis Eric Friedler Steve Krulevitz
		Peter Feigl Eric Friedler 6–3, 6–7, 6–3	Mike Fishbach Tom Okker
October 23	Pasadena Challenger Pasadena, United States Hard – $25,000 – 64S/32D Singles draw – Doubles draw	Jorge Andrew 5–7, 6–3, 6–3	Christopher Lewis	Tim Wilkison Howard Schoenfield	Billy Martin Erik van Dillen Peter Pearson Leo Palin
		Tom Leonard Jerry Van Linge 6–3, 7–6	Warren Eber Glen Holroyd
October 30	No tournaments scheduled.

Week of	Tournament	Champions	Runners-up	Semifinalists	Quarterfinalists
November 6	No tournaments scheduled.
November 13	No tournaments scheduled.
November 20	Kyoto Challenger Kyoto, Japan Clay – $25,000 – 32S/16D Singles draw – Doubles draw	Ross Case 6–1, 6–7, 6–1	Jun Kuki	Joel Bailey Sochio Kato	Tony Graham Jun Kamiwazumi Shigeyuki Nishio Tsuyoshi Fukui
		Ross Case Tony Graham 6–3, 6–4	Joel Bailey Scott Carnahan
November 27	No tournaments scheduled.

These tables present the number of singles (S) and doubles (D) titles won by each player and each nation during the season, within all the tournament categories of the 1978 ATP Challenger Series. The players/nations are sorted by: 1) total number of titles (a doubles title won by two players representing the same nation counts as only one win for the nation); 2) a singles > doubles hierarchy; 3) alphabetical order (by family names for players).

Total	Player	S	D
4	Kevin Curren (RSA)	1	3
3	John Sadri (USA)	1	2
3	Marcello Lara (MEX)	0	3
3	Peter Rennert (USA)	0	3
2	Deon Joubert (RSA)	2	0
2	Eliot Teltscher (USA)	2	0
2	Mike Cahill (USA)	1	1
2	Ross Case (AUS)	1	1
2	Francisco González (PAR)	1	1
2	Russell Simpson (NZL)	1	1
2	Ramiro Benavides (BOL)	0	2
2	Réjean Génois (CAN)	0	2
2	Bill Maze (USA)	0	2
2	Matt Mitchell (USA)	0	2
2	Keith Richardson (USA)	0	2
2	John Whitlinger (USA)	0	2
1	Ricardo Acuña (CHI)	1	0
1	Jorge Andrew (VEN)	1	0
1	Bob Carmichael (AUS)	1	0
1	Johan Kriek (RSA)	1	0
1	Sashi Menon (IND)	1	0
1	Tom Okker (NED)	1	0
1	Erik van Dillen (USA)	1	0
1	Tim Wilkison (USA)	1	0
1	Peter Feigl (AUT)	0	1
1	Eric Friedler (USA)	0	1
1	Tony Graham (USA)	0	1
1	Chris Kachel (AUS)	0	1
1	Tom Leonard (USA)	0	1
1	Chris Lewis (NZL)	0	1
1	John Marks (AUS)	0	1
1	Chris Sylvan (USA)	0	1
1	Jerry Van Linge (USA)	0	1

Total	Nation	S	D
20	United States (USA)	6	14
7	South Africa (RSA)	6	14
4	Australia (AUS)	6	14
3	Mexico (MEX)	6	14
2	New Zealand (NZL)	6	14
2	Paraguay (PAR)	6	14
2	Bolivia (BOL)	6	14
2	Canada (CAN)	6	14
1	Chile (CHI)	6	14
1	India (IND)	6	14
1	Netherlands (NED)	6	14
1	Venezuela (VEN)	6	14
1	Austria (AUT)	6	14

• 1978 Grand Prix
• Association of Tennis Professionals
• International Tennis Federation

• Official ATP World Tour Website: Results Archive
• ITF Tennis: Tournament Search Archived 2010-02-12 at the Wayback Machine