1984-05-21

Dusseldorf - Clay - RR

Rolf Gehring (#98)
def
Alejandro Gattiker (#)
6-2 6-2

1984-05-21

Dusseldorf - Clay - RR

Jimmy Arias (#5)
def
Alejandro Gattiker (#)
6-2 6-3

1983-10-10

Basel - Hard - R32

Michael Westphal (#98)
def
Alejandro Gattiker (#)
6-1 7-6

1983-10-03

Barcelona - Clay - R64

Manuel Orantes (#63)
def
Alejandro Gattiker (#)
6-1 6-1

1983-09-12

Palermo - Clay - R32

Jimmy Brown (#51)
def
Alejandro Gattiker (#)
7-6 6-3

1983-02-14

Vina del Mar - Clay - R16

Ricardo Acuna (#)
def
Alejandro Gattiker (#)
6-4 7-5

1983-02-14

Vina del Mar - Clay - R32

Alejandro Gattiker (#)
def
Rocky Royer (#)
6-3 6-4

1982-11-22

Bahia - Carpet - R16

Jaime Fillol (#)
def
Alejandro Gattiker (#)
6-4 6-2

1982-11-22

Bahia - Carpet - R32

Alejandro Gattiker (#)
def
Cesar Kist (#)
6-3 1-6 6-2

1982-11-01

Quito - Clay - R32

Javier Restrepo (#)
def
Alejandro Gattiker (#)
6-0 6-2

1982-09-20

Geneva - Clay - R32

Mats Wilander (#14)
def
Alejandro Gattiker (#)
6-0 6-3

1982-08-03

Indianapolis - Clay - R64

Brad Drewett (#)
def
Alejandro Gattiker (#)
6-3 6-2

1982-07-26

North Conway - Clay - R32

Mel Purcell (#21)
def
Alejandro Gattiker (#)
6-1 6-3

1982-07-26

North Conway - Clay - R64

Alejandro Gattiker (#)
def
Cliff Letcher (#)
6-3 3-6 7-5

1982-07-19

Washington - Clay - R64

Jimmy Arias (#79)
def
Alejandro Gattiker (#)
6-2 6-3

1982-07-12

Boston - Clay - R64

Mel Purcell (#30)
def
Alejandro Gattiker (#)
6-0 6-2

1982-07-05

Gstaad - Clay - R32

Jose Luis Clerc (#5)
def
Alejandro Gattiker (#)
6-3 6-1

1982-05-24

Roland Garros - Clay - R128

Mike Myburg (#)
def
Alejandro Gattiker (#)
6-3 6-3 6-2

1982-05-10

Florence - Clay - R32

Gianluca Rinaldini (#)
def
Alejandro Gattiker (#)
6-1 6-4

1981-11-02

Quito - Clay - R32

Alejandro Cortes (#)
def
Alejandro Gattiker (#)
4-6 6-3 6-4

1981-07-13

Kitzbuhel - Clay - R32

Vitas Gerulaitis (#19)
def
Alejandro Gattiker (#)
7-5 6-2

1981-01-26

Vina del Mar - Clay - R16

Pedro Rebolledo (#)
def
Alejandro Gattiker (#)
6-3 6-4

1981-01-26

Vina del Mar - Clay - R32

Alejandro Gattiker (#)
def
Ilie Nastase (#81)
7-5 3-6 6-4

1980-11-17

Buenos Aires - Clay - R32

Peter Elter (#75)
def
Alejandro Gattiker (#)
3-6 6-2 7-5

1980-07-07

Gstaad - Clay - R32

Shlomo Glickstein (#79)
def
Alejandro Gattiker (#)
1-6 6-4 6-4

1979-11-19

Buenos Aires - Clay - R32

Terry Moor (#39)
def
Alejandro Gattiker (#)
6-1 6-1

1979-09-17

Los Angeles - Carpet - R64

Tim Gullikson (#18)
def
Alejandro Gattiker (#)
6-0 6-2