1998-04-20

Orlando - Clay - R32

Marcello Craca (#100)
def
David Witt (#184)
6-3 6-1

1998-01-19

Australian Open - Hard - R128

Greg Rusedski (#6)
def
David Witt (#208)
7-6(4) 6-3 6-4

1997-05-05

Coral Springs - Clay - QF

Jason Stoltenberg (#32)
def
David Witt (#636)
6-1 7-5

1997-05-05

Coral Springs - Clay - R16

David Witt (#636)
def
Frederic Fontang (#196)
4-6 2-3 RET

1997-05-05

Coral Springs - Clay - R32

David Witt (#636)
def
Kenneth Carlsen (#82)
6-4 6-2

1995-04-17

Bermuda - Clay - R32

Jamie Morgan (#101)
def
David Witt (#165)
6-2 6-4

1994-08-29

US Open - Hard - R64

Jaime Yzaga (#23)
def
David Witt (#183)
6-1 6-7(1) 6-4 6-4

1994-08-29

US Open - Hard - R128

David Witt (#183)
def
Wally Masur (#67)
6-2 3-6 7-5 6-1

1994-07-04

Newport - Grass - QF

Mark Petchey (#103)
def
David Witt (#209)
6-4 3-6 6-3

1994-07-04

Newport - Grass - R16

David Witt (#209)
def
Greg Rusedski (#42)
6-4 6-7(5) 6-3

1994-07-04

Newport - Grass - R32

David Witt (#209)
def
Daniel Nestor (#137)
6-2 7-5

1994-06-20

Wimbledon - Grass - R128

Marc Rosset (#19)
def
David Witt (#222)
6-2 6-4 7-6(2)

1994-06-06

Queen's Club - Grass - R32

Wayne Ferreira (#21)
def
David Witt (#191)
6-3 6-4

1994-06-06

Queen's Club - Grass - R64

David Witt (#191)
def
Steve Bryan (#84)
6-2 7-5

1994-04-11

Birmingham - Clay - QF

Marcelo Filippini (#84)
def
David Witt (#189)
6-3 7-5

1994-04-11

Birmingham - Clay - R16

David Witt (#189)
def
Mats Wilander (#214)
6-3 4-6 6-4

1994-04-11

Birmingham - Clay - R32

David Witt (#189)
def
Malivai Washington (#31)
7-5 6-4

1993-11-08

Antwerp - Carpet - R32

Chuck Adams (#66)
def
David Witt (#128)
6-2 6-2

1993-08-30

US Open - Hard - R128

Marc Kevin Goellner (#34)
def
David Witt (#134)
6-2 6-7(5) 6-2 6-3

1993-08-16

Indianapolis - Hard - R64

Jaime Yzaga (#64)
def
David Witt (#135)
6-3 6-0

1993-07-05

Newport - Grass - R16

Luis Herrera (#88)
def
David Witt (#158)
6-4 6-4

1993-07-05

Newport - Grass - R32

David Witt (#158)
def
Todd Witsken (#180)
6-3 6-4

1993-06-07

Queen's Club - Grass - QF

Todd Martin (#32)
def
David Witt (#191)
6-4 6-2

1993-06-07

Queen's Club - Grass - R16

David Witt (#191)
def
Chris Wilkinson (#176)
3-6 7-5 6-3

1993-06-07

Queen's Club - Grass - R32

David Witt (#191)
def
Ross Matheson (#563)
6-3 6-4

1993-06-07

Queen's Club - Grass - R64

David Witt (#191)
def
Christo Van Rensburg (#104)
6-3 7-6(5)

1993-04-12

Charlotte - Clay - R16

Claudio Mezzadri (#100)
def
David Witt (#196)
6-2 6-4

1993-04-12

Charlotte - Clay - R32

David Witt (#196)
def
Malivai Washington (#14)
2-6 6-3 6-3

1993-02-01

San Francisco - Hard - R32

Alex Obrien (#105)
def
David Witt (#215)
5-7 6-3 7-6(5)

1992-08-17

Indianapolis - Hard - R64

Marcos Ondruska (#147)
def
David Witt (#289)
1-6 6-3 6-1

1992-07-06

Newport - Grass - R32

Simon Youl (#88)
def
David Witt (#301)
7-5 7-5

1991-08-26

US Open - Hard - R128

Emilio Sanchez (#13)
def
David Witt (#355)
6-4 6-4 3-6 6-3

1991-08-12

Indianapolis - Hard - R64

Shuzo Matsuoka (#66)
def
David Witt (#357)
7-5 3-6 6-3

1991-04-01

Orlando - Hard - R16

Jimmy Arias (#58)
def
David Witt (#465)
6-7(2) 7-6(3) 6-1

1991-04-01

Orlando - Hard - R32

David Witt (#465)
def
Tim Mayotte (#95)
7-6(6) 6-2

1991-03-15

Miami - Hard - R64

Michael Stich (#20)
def
David Witt (#565)
6-2 1-6 6-2

1991-03-15

Miami - Hard - R128

David Witt (#565)
def
Cassio Motta (#124)
6-1 7-6(4)

1990-08-27

US Open - Hard - R128

Shuzo Matsuoka (#138)
def
David Witt (#)
7-5 6-4 6-2