1989 New South Wales Open – Men's doubles

{{Use Australian English|date=June 2020}}

{{TennisEvents|1989|New South Wales Open|s

| defchamp =

| champ = {{flagicon|AUS}} Darren Cahill
{{flagicon|AUS}} Wally Masur

| runner = {{flagicon|RSA|1928}} Pieter Aldrich
{{flagicon|RSA|1928}} Danie Visser

| score = 6–4, 6–3

| draw = 16

| seeds = 4

| after_name = Holden NSW Open

}}

Darren Cahill and Mark Kratzmann were the defending champions but only Cahill competed that year with Wally Masur.

Cahill and Masur won in the final 6–4, 6–3 against Pieter Aldrich and Danie Visser.

Seeds

{{colbegin}}

  1. {{flagicon|RSA|1928}} Pieter Aldrich / {{flagicon|RSA|1928}} Danie Visser (final)
  2. {{flagicon|AUS}} Darren Cahill / {{flagicon|AUS}} Wally Masur (champions)
  3. {{flagicon|USA}} Martin Davis / {{flagicon|AUS}} Brad Drewett (first round)
  4. {{flagicon|RSA|1928}} Gary Muller / {{flagicon|RSA|1928}} Christo van Rensburg (semifinals)

{{colend}}

Draw

{{Draw key}}

{{16TeamBracket-Compact-Tennis3

| RD1=First round

| RD2=Quarterfinals

| RD3=Semifinals

| RD4=Final

| RD1-seed01=1

| RD1-team01={{flagicon|RSA|1928}} P Aldrich
{{flagicon|RSA|1928}} D Visser

| RD1-score01-1=6

| RD1-score01-2=6

| RD1-score01-3= 

| RD1-seed02= 

| RD1-team02={{flagicon|AUT}} T Muster
{{flagicon|SWE}} J Nyström

| RD1-score02-1=4

| RD1-score02-2=1

| RD1-score02-3= 

| RD1-seed03= 

| RD1-team03={{flagicon|USA}} K Jones
{{flagicon|USA}} J Rive

| RD1-score03-1=6

| RD1-score03-2=6

| RD1-score03-3= 

| RD1-seed04= 

| RD1-team04={{flagicon|CSK}} M Mečíř
{{flagicon|CSK}} C Suk

| RD1-score04-1=3

| RD1-score04-2=3

| RD1-score04-3= 

| RD1-seed05=3

| RD1-team05={{flagicon|USA}} M Davis
{{flagicon|AUS}} B Drewett

| RD1-score05-1=5

| RD1-score05-2=2

| RD1-score05-3= 

| RD1-seed06= 

| RD1-team06={{flagicon|GBR}} J Bates
{{flagicon|SWE}} P Lundgren

| RD1-score06-1=7

| RD1-score06-2=6

| RD1-score06-3= 

| RD1-seed07= 

| RD1-team07={{flagicon|AUS}} J Stoltenberg
{{flagicon|AUS}} T Woodbridge

| RD1-score07-1=6

| RD1-score07-2=3

| RD1-score07-3=3

| RD1-seed08= 

| RD1-team08={{flagicon|MEX}} L Lavalle
{{flagicon|FRG}} C Saceanu

| RD1-score08-1=0

| RD1-score08-2=6

| RD1-score08-3=6

| RD1-seed09= 

| RD1-team09={{flagicon|AUS}} J Anderson
{{flagicon|AUS}} R Fromberg

| RD1-score09-1=4

| RD1-score09-2=5

| RD1-score09-3= 

| RD1-seed10= 

| RD1-team10={{flagicon|FRG}} T Meinecke
{{flagicon|SWE}} J Svensson

| RD1-score10-1=6

| RD1-score10-2=7

| RD1-score10-3= 

| RD1-seed11= 

| RD1-team11={{flagicon|FRG}} P Kühnen
{{flagicon|FRG}} C-U Steeb

| RD1-score11-1=1

| RD1-score11-2=2

| RD1-score11-3= 

| RD1-seed12=4

| RD1-team12={{flagicon|RSA|1928}} G Muller
{{flagicon|RSA|1928}} C van Rensburg

| RD1-score12-1=6

| RD1-score12-2=6

| RD1-score12-3= 

| RD1-seed13= 

| RD1-team13={{flagicon|AUS}} P Doohan
{{flagicon|AUS}} L Warder

| RD1-score13-1=5

| RD1-score13-2=7

| RD1-score13-3=4

| RD1-seed14= 

| RD1-team14={{flagicon|GBR}} N Broad
{{flagicon|USA}} G Layendecker

| RD1-score14-1=7

| RD1-score14-2=6

| RD1-score14-3=6

| RD1-seed15= 

| RD1-team15={{flagicon|ITA}} D Nargiso
{{flagicon|USA}} L Shiras

| RD1-score15-1=3

| RD1-score15-2=4

| RD1-score15-3= 

| RD1-seed16=2

| RD1-team16={{flagicon|AUS}} D Cahill
{{flagicon|AUS}} W Masur

| RD1-score16-1=6

| RD1-score16-2=6

| RD1-score16-3= 

| RD2-seed01=1

| RD2-team01={{flagicon|RSA|1928}} P Aldrich
{{flagicon|RSA|1928}} D Visser

| RD2-score01-1=6

| RD2-score01-2=6

| RD2-score01-3= 

| RD2-seed02= 

| RD2-team02={{flagicon|USA}} K Jones
{{flagicon|USA}} J Rive

| RD2-score02-1=2

| RD2-score02-2=2

| RD2-score02-3= 

| RD2-seed03= 

| RD2-team03={{flagicon|GBR}} J Bates
{{flagicon|SWE}} P Lundgren

| RD2-score03-1=1

| RD2-score03-2=6

| RD2-score03-3=3

| RD2-seed04= 

| RD2-team04={{flagicon|MEX}} L Lavalle
{{flagicon|FRG}} C Saceanu

| RD2-score04-1=6

| RD2-score04-2=4

| RD2-score04-3=6

| RD2-seed05= 

| RD2-team05={{flagicon|FRG}} T Meinecke
{{flagicon|SWE}} J Svensson

| RD2-score05-1=4

| RD2-score05-2=7

| RD2-score05-3=6

| RD2-seed06=4

| RD2-team06={{flagicon|RSA|1928}} G Muller
{{flagicon|RSA|1928}} C van Rensburg

| RD2-score06-1=6

| RD2-score06-2=5

| RD2-score06-3=7

| RD2-seed07= 

| RD2-team07={{flagicon|GBR}} N Broad
{{flagicon|USA}} G Layendecker

| RD2-score07-1=2

| RD2-score07-2=6

| RD2-score07-3=3

| RD2-seed08=2

| RD2-team08={{flagicon|AUS}} D Cahill
{{flagicon|AUS}} W Masur

| RD2-score08-1=6

| RD2-score08-2=3

| RD2-score08-3=6

| RD3-seed01=1

| RD3-team01={{flagicon|RSA|1928}} P Aldrich
{{flagicon|RSA|1928}} D Visser

| RD3-score01-1=6

| RD3-score01-2=2

| RD3-score01-3=6

| RD3-seed02= 

| RD3-team02={{flagicon|MEX}} L Lavalle
{{flagicon|FRG}} C Saceanu

| RD3-score02-1=1

| RD3-score02-2=6

| RD3-score02-3=4

| RD3-seed03=4

| RD3-team03={{flagicon|RSA|1928}} G Muller
{{flagicon|RSA|1928}} C van Rensburg

| RD3-score03-1=7

| RD3-score03-2=4

| RD3-score03-3=6

| RD3-seed04=2

| RD3-team04={{flagicon|AUS}} D Cahill
{{flagicon|AUS}} W Masur

| RD3-score04-1=6

| RD3-score04-2=6

| RD3-score04-3=7

| RD4-seed01=1

| RD4-team01={{flagicon|RSA|1928}} P Aldrich
{{flagicon|RSA|1928}} D Visser

| RD4-score01-1=4

| RD4-score01-2=3

| RD4-score01-3= 

| RD4-seed02=2

| RD4-team02={{flagicon|AUS}} D Cahill
{{flagicon|AUS}} W Masur

| RD4-score02-1=6

| RD4-score02-2=6

| RD4-score02-3= 

}}