1980-10-20

Melbourne Indoor - Carpet - R32

Ulrich Marten (#)
def
John Marks (#)
7-5 6-1

1980-10-06

Brisbane - Grass - R32

Peter Feigl (#76)
def
John Marks (#)
6-1 6-4

1979-12-31

Hobart - Hard - QF

Shlomo Glickstein (#204)
def
John Marks (#115)
6-4 3-6 6-2

1979-12-31

Hobart - Hard - R16

John Marks (#115)
def
Rohun Beven (#347)
6-1 4-6 6-4

1979-12-31

Hobart - Hard - R32

John Marks (#115)
def
Warren Maher (#154)
6-2 6-4

1979-12-24

Australian Open - Grass - R64

Phil Dent (#77)
def
John Marks (#)
6-3 6-2 6-2

1979-12-17

Sydney Outdoor - Grass - R32

Phil Dent (#73)
def
John Marks (#)
6-2 6-3

1979-12-17

Sydney Outdoor - Grass - R64

John Marks (#)
def
Noel Phillips (#)
7-6 6-4

1979-12-10

Adelaide - Grass - R16

Matt Mitchell (#99)
def
John Marks (#)
7-5 6-4

1979-12-10

Adelaide - Grass - R32

John Marks (#)
def
Dick Stockton (#51)
7-5 6-2

1979-11-12

Taipei - Carpet - R32

John Sadri (#47)
def
John Marks (#)
6-1 7-6

1979-11-05

Hong Kong - Hard - R32

John Sadri (#50)
def
John Marks (#)
6-3 2-6 6-2

1979-10-22

Tokyo Outdoor - Clay - R64

Cliff Drysdale (#)
def
John Marks (#)
6-3 7-6

1979-10-15

Sydney Indoor - Hard - R32

Emilio Montano (#)
def
John Marks (#)
6-4 6-3

1979-10-09

Brisbane - Grass - R32

Emilio Montano (#)
def
John Marks (#)
6-4 6-2

1979-09-17

Los Angeles - Carpet - R32

Vincent Van Patten (#53)
def
John Marks (#)
7-5 6-4

1979-08-28

US Open - Hard - R128

Roscoe Tanner (#4)
def
John Marks (#)
6-4 6-2 6-0

1979-08-20

Boston - Clay - R64

Balazs Taroczy (#25)
def
John Marks (#92)
6-4 7-5

1979-08-13

Montreal / Toronto - Hard - R64

Wojtek Fibak (#15)
def
John Marks (#94)
6-3 3-6 6-3

1979-08-06

Indianapolis - Clay - R64

Warren Maher (#)
def
John Marks (#95)
6-2 6-2

1979-07-29

North Conway - Clay - R64

Manuel Orantes (#18)
def
John Marks (#94)
6-2 3-6 6-1

1979-07-16

Bastad - Clay - R32

Per Hjertquist (#)
def
John Marks (#96)
7-6 3-6 6-4

1979-07-09

Gstaad - Clay - R16

Peter Mcnamara (#56)
def
John Marks (#)
6-0 6-2

1979-07-09

Gstaad - Clay - R32

John Marks (#)
def
Ferdi Taygan (#87)
6-3 3-6 10-8

1979-06-25

Wimbledon - Grass - R128

Brad Drewett (#)
def
John Marks (#85)
7-5 2-6 7-6 6-2

1979-06-18

Surbiton - Grass - R32

Pat Dupre (#37)
def
John Marks (#84)
6-2 6-3

1979-06-11

Queen's Club - Grass - R64

Brad Drewett (#)
def
John Marks (#82)
6-4 6-4

1979-05-28

Roland Garros - Clay - R128

Pavel Slozil (#)
def
John Marks (#80)
6-2 6-1 7-6

1979-05-21

Rome - Clay - R64

Gianni Ocleppo (#)
def
John Marks (#74)
6-4 6-0

1979-05-14

Hamburg - Clay - R64

Tomas Smid (#47)
def
John Marks (#73)
6-0 6-1

1979-04-16

San Jose - Carpet - R32

Nick Saviano (#78)
def
John Marks (#66)
6-0 7-6

1979-04-09

Tulsa - Hard - R16

Tim Wilkison (#51)
def
John Marks (#66)
6-2 6-4

1979-04-09

Tulsa - Hard - R32

John Marks (#66)
def
Ross Case (#83)
2-6 6-4 6-4

1979-03-26

Dayton - Carpet - R32

Bruce Manson (#90)
def
John Marks (#67)
6-1 6-2

1979-01-01

Hobart - Grass - R32

Phil Dent (#87)
def
John Marks (#63)
6-4 4-6 6-1

1978-12-26

Australian Open - Grass - F

Guillermo Vilas (#3)
def
John Marks (#)
6-4 6-4 3-6 6-3

1978-12-26

Australian Open - Grass - SF

John Marks (#)
def
Arthur Ashe (#17)
6-4 6-2 2-6 1-6 9-7

1978-12-26

Australian Open - Grass - QF

John Marks (#)
def
John Alexander (#21)
6-4 6-4 7-5

1978-12-26

Australian Open - Grass - R16

John Marks (#)
def
John Sadri (#93)
6-2 6-2 4-6 6-4

1978-12-26

Australian Open - Grass - R32

John Marks (#)
def
Phil Dent (#85)
6-7 6-3 6-2 6-2

1978-12-26

Australian Open - Grass - R64

John Marks (#)
def
Jose Luis Clerc (#12)
6-7 RET

1978-12-24

Sydney Outdoor - Grass - R64

Paul Kronk (#)
def
John Marks (#)
6-3 7-6

1978-11-20

Manila - Clay - R32

Rod Frawley (#)
def
John Marks (#)
6-4 6-1

1978-10-23

Osaka - Clay - R64

Kim Warwick (#43)
def
John Marks (#)
6-4 6-1

1978-10-22

Sydney Indoor - Hard - R32

Peter Mcnamara (#86)
def
John Marks (#)
7-6 6-1

1978-10-09

Brisbane - Grass - R32

Phil Dent (#)
def
John Marks (#)
7-6 6-3

1978-08-21

Boston - Clay - R32

Jose Luis Clerc (#13)
def
John Marks (#)
6-1 6-3

1978-08-21

Boston - Clay - R64

John Marks (#)
def
Kjell Johansson (#32)
6-3 6-4

1978-08-20

Cleveland - Hard - R32

Christophe Roger-Vasselin (#)
def
John Marks (#)
6-3 6-3

1978-08-07

Colombus - Clay - R32

Tim Gullikson (#)
def
John Marks (#)
6-4 7-6

1978-08-06

New Orleans - Carpet - R32

Terry Rocavert (#)
def
John Marks (#)
7-5 6-2

1978-07-30

Louisville - Clay - R64

Billy Martin (#97)
def
John Marks (#)
7-6 6-4

1978-07-23

Washington - Clay - R64

Jimmy Connors (#)
def
John Marks (#)
6-1 6-3

1978-07-10

Newport - Grass - R32

Tim Gullikson (#24)
def
John Marks (#125)
7-5 6-2

1978-06-26

Wimbledon - Grass - R64

Nick Saviano (#59)
def
John Marks (#180)
6-3 6-2 6-3

1978-06-26

Wimbledon - Grass - R128

John Marks (#180)
def
Dick Stockton (#8)
6-2 9-8 7-5

1978-06-18

Birmingham - Grass - R32

Victor Pecci (#52)
def
John Marks (#)
6-4 6-3

1978-06-18

Birmingham - Grass - R64

John Marks (#)
def
Roger Taylor (#)
8-6 4-6 6-2

1978-05-29

Roland Garros - Clay - R64

Dick Stockton (#16)
def
John Marks (#)
6-1 6-0 7-5

1978-05-29

Roland Garros - Clay - R128

John Marks (#)
def
Dick Crealy (#84)
6-3 6-1 4-6 6-3

1977-12-19

Australian Open-2 - Grass - R64

Vitas Gerulaitis (#5)
def
John Marks (#)
7-6 6-0 6-1

1977-12-12

Sydney Outdoor - Grass - R32

Brian Teacher (#69)
def
John Marks (#)
6-2 3-6 6-3

1977-12-12

Sydney Outdoor - Grass - R64

John Marks (#)
def
John Bartlett (#)
7-6 4-6 6-4

1977-12-05

Adelaide - Grass - R32

Tom Gorman (#54)
def
John Marks (#)
6-3 6-4

1977-12-05

Adelaide - Grass - R64

John Marks (#)
def
Bob Carmichael (#)
7-6 6-7 6-4

1977-11-21

Taipei - Hard - R32

Tim Gullikson (#34)
def
John Marks (#)
6-3 6-1

1977-08-31

US Open - Clay - R128

Paul Gerken (#)
def
John Marks (#)
6-4 4-6 6-2

1977-08-08

Indianapolis - Clay - R64

Hans Kary (#)
def
John Marks (#)
6-3 6-3

1977-07-25

Louisville - Clay - R64

Phil Dent (#26)
def
John Marks (#)
6-1 6-3

1977-07-12

Hilversum - Clay - R16

Patrick Proisy (#97)
def
John Marks (#)
6-4 6-1

1977-07-12

Hilversum - Clay - R32

John Marks (#)
def
Balazs Taroczy (#30)
0-6 6-4 9-7

1977-07-03

Bastad - Clay - R32

Byron Bertram (#59)
def
John Marks (#174)
6-3 0-6 7-6

1977-06-20

Wimbledon - Grass - R128

Butch Walts (#96)
def
John Marks (#)
6-4 9-8 5-7 8-9 8-6

1977-03-08

Johannesburg - Hard - R32

Robbie Venter (#)
def
John Marks (#)
7-5 7-5

1977-01-10

Adelaide - Grass - R16

Sherwood Stewart (#75)
def
John Marks (#)
6-0 6-2

1977-01-10

Adelaide - Grass - R32

John Marks (#)
def
Klaus Eberhard (#)
6-3 6-4

1977-01-01

Australian Open - Grass - R64

Werner Zirngibl (#)
def
John Marks (#)
6-4 3-6 6-2 6-1

1976-12-26

Sydney Outdoor - Grass - R64

Nick Saviano (#115)
def
John Marks (#165)
6-3 4-6 6-2

1976-11-23

Johannesburg - WCT - Hard - R32

Rory Chappell (#)
def
John Marks (#)
6-7 6-1 7-6

1976-11-15

Manila - Hard - R64

Dick Crealy (#)
def
John Marks (#)
6-0 6-0

1976-11-07

Hong Kong - Hard - R32

Paul Kronk (#)
def
John Marks (#)
6-3 6-4

1976-11-07

Hong Kong - Hard - R64

John Marks (#)
def
Roscoe Tanner (#)
6-3 6-4

1976-11-01

Tokyo Outdoor - Clay - R32

Tom Gullikson (#)
def
John Marks (#)
6-3 7-5

1976-10-25

Perth - Hard - R32

Rolf Thung (#)
def
John Marks (#)
6-4 1-6 6-2

1976-10-18

Sydney Indoor - Hard - R64

Chris Lewis (#)
def
John Marks (#)
6-2 6-3

1976-10-11

Brisbane - Grass - R32

Dick Crealy (#)
def
John Marks (#)
6-3 6-4

1976-09-13

Bermuda - Clay - R16

John Lloyd (#)
def
John Marks (#)
6-4 6-2

1976-09-13

Bermuda - Clay - R32

John Marks (#)
def
Octavio Martinez (#)
6-4 6-3

1976-08-08

North Conway - Clay - R32

Karl Meiler (#)
def
John Marks (#)
6-1 6-0

1976-08-08

North Conway - Clay - R64

John Marks (#)
def
Terry Ryan (#)
6-2 6-4

1976-07-13

Hilversum - Clay - R32

Manuel Santana (#)
def
John Marks (#)
6-3 6-3

1976-06-21

Wimbledon - Grass - R128

Stephen Warboys (#)
def
John Marks (#)
5-7 7-5 3-6 6-4 6-3

1976-04-04

Nice - Clay - R64

Balazs Taroczy (#)
def
John Marks (#)
6-0 6-2

1976-02-24

Khartoum - Hard - R16

Mike Estep (#)
def
John Marks (#)
6-2 6-4

1975-12-26

Australian Open - Grass - R64

Mal Anderson (#373)
def
John Marks (#)
3-6 6-4 6-3 6-4

1975-12-21

Sydney Outdoor - Grass - F

Ross Case (#27)
def
John Marks (#)
6-2 6-1

1975-12-21

Sydney Outdoor - Grass - SF

John Marks (#)
def
Tony Roche (#12)
3-6 7-6 13-11

1975-12-21

Sydney Outdoor - Grass - QF

John Marks (#)
def
John Lloyd (#93)
6-4 3-6 7-5

1975-12-21

Sydney Outdoor - Grass - R16

John Marks (#)
def
Geoff Masters (#44)
7-6 2-6 6-2

1975-12-21

Sydney Outdoor - Grass - R32

John Marks (#)
def
Colin Dibley (#94)
6-4 6-2

1975-12-21

Sydney Outdoor - Grass - R64

John Marks (#)
def
Richard Lewis (#197)
6-3 5-7 6-4

1974-12-16

Sydney Outdoor - Grass - R64

Patrice Beust (#)
def
John Marks (#)
6-7 6-1 8-6

1974-12-02

Adelaide - Grass - R32

Patrice Beust (#)
def
John Marks (#)
6-3 6-2

1973-12-31

Sydney - Grass - R32

Phil Dent (#49)
def
John Marks (#)
7-5 6-2

1973-12-31

Sydney - Grass - R64

John Marks (#)
def
Spencer Segura (#)
5-7 6-4 6-3

1973-01-01

Sydney - Grass - R64

Stephen Myers (#)
def
John Marks (#)
6-3 4-1 RET

1971-12-06

Brisbane - Grass - R32

John Cooper (#)
def
John Marks (#)
7-6 6-1

1971-12-06

Brisbane - Grass - R64

John Marks (#)
def
F Starbuck (#)
6-2 6-0

1971-01-23

Melbourne - Grass - R64

Neale Fraser (#)
def
John Marks (#)
7-6 6-7 6-0 6-3

1970-12-19

Adelaide - Grass - R32

Ross Case (#)
def
John Marks (#)
7-5 6-4

1970-12-19

Adelaide - Grass - R64

John Marks (#)
def
Kevin Furst (#)
W/O