# 1989 Suntory Japan Open Tennis Championships – Men's doubles

John Fitzgerald and Johan Kriek were the defending champions but only Fitzgerald competed that year with Anders Järryd.
Fitzgerald and Järryd lost in the second round to Tomas Nydahl and Olli Rahnasto.
Ken Flach and Robert Seguso won in the final 7–6, 7–6 against Kevin Curren and David Pate.

## Seeds

The top four seeded teams received byes into the second round.
* Rick Leach / Jim Pugh (quarterfinals)
* John Fitzgerald / Anders Järryd (second round)
* Ken Flach / Robert Seguso (champions)
* Kevin Curren / David Pate (final)
* Scott Davis / Jim Grabb (quarterfinals)
* Grant Connell / Glenn Michibata (quarterfinals)
* Martin Davis / Brad Drewett (first round)
* Andrew Castle / Robert Van't Hof (semifinals)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Final

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 8 | Andrew Castle Robert Van't Hof | 4 | 6 | 3 | | | | |
| 4 | Kevin Curren David Pate | 6 | 3 | 6 | | | | |
| 4 | Kevin Curren David Pate | 6 | 3 | 6 | 4 | Kevin Curren David Pate | 6 | 6 |
| | | | | | 3 | Ken Flach Robert Seguso | 7 | 7 |
| 3 | Ken Flach Robert Seguso | 6 | 6 | | 3 | Ken Flach Robert Seguso | 7 | 7 |
| | Jeremy Bates Broderick Dyke | 4 | 4 | | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | R Leach J Pugh | 6 | 6 | | | | | | | | | | |
| | R Smith P Wekesa | 4 | 7 | 7 | | R Smith P Wekesa | 4 | 4 | | | | | | | | | | |
| | J Letts B Man-Son-Hing | 6 | 6 | 6 | | | | | | 1 | R Leach J Pugh | 6 | 4 | | | | | |
| | K Jones J Rive | 6 | 7 | 6 | | | | | | 8 | A Castle R Van't Hof | 7 | 6 | | | | | |
| | L Shiras M Šrejber | 7 | 6 | 7 | | L Shiras M Šrejber | 4 | 4 | | | | | | | | | | |
| | S Guy L Scott | 6 | 2 | | 8 | A Castle R Van't Hof | 6 | 6 | | | | | | | | | | |
| 8 | A Castle R Van't Hof | 7 | 6 | | | | | | | | | | | 8 | A Castle R Van't Hof | 4 | 6 | 3 |
| | | | | | | | | | | | | | | 4 | K Curren D Pate | 6 | 3 | 6 |
| | | | | | 4 | K Curren D Pate | 6 | 6 | | | | | | | | | | |
| | D Goldie G Van Emburgh | 4 | 6 | 6 | | D Goldie G Van Emburgh | 4 | 2 | | | | | | | | | | |
| | R Baxter J-P Fleurian | 6 | 3 | 3 | | | | | | 4 | K Curren D Pate | 6 | 6 | | | | | |
| | G Layendecker A Mansdorf | 3 | 6 | 6 | | | | | | 5 | S Davis J Grabb | 4 | 4 | | | | | |
| | A Gómez N Pereira | 6 | 4 | 7 | | A Gómez N Pereira | 6 | 6 | 6 | | | | | | | | | |
| | P Chamberlin C Saceanu | 4 | 5 | | 5 | S Davis J Grabb | 3 | 7 | 7 | | | | | | | | | |
| 5 | S Davis J Grabb | 6 | 7 | | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | G Connell G Michibata | 4 | 6 | 6 | | | | | | | | | | | | | |
| | W Masur J Stoltenberg | 6 | 1 | 4 | 6 | G Connell G Michibata | 6 | 6 | | | | | | | | | |
| | I Lendl B Scanlon | 6 | 7 | | | I Lendl B Scanlon | 1 | 2 | | | | | | | | | |
| | Z Ali J Canter | 3 | 5 | | | | | | | 6 | G Connell G Michibata | 4 | 4 | | | | |
| | P Cash J McEnroe | 6 | 6 | | | | | | | 3 | K Flach R Seguso | 6 | 6 | | | | |
| | H Shirato E Takeuchi | 0 | 2 | | | P Cash J McEnroe | | | | | | | | | | | |
| | | | | | 3 | K Flach R Seguso | w/o | | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | K Flach R Seguso | 6 | 6 |
| 7 | M Davis B Drewett | 4 | 4 | | | | | | | | | | | | J Bates B Dyke | 4 | 4 |
| | J Bates B Dyke | 6 | 6 | | | J Bates B Dyke | 4 | 7 | 7 | | | | | | | | |
| | M Anger K Evernden | 7 | 6 | | | M Anger K Evernden | 6 | 5 | 6 | | | | | | | | |
| | T Pawsat T Svantesson | 6 | 2 | | | | | | | | J Bates B Dyke | 6 | 6 | | | | |
| | T Nydahl O Rahnasto | 2 | 6 | 6 | | | | | | | T Nydahl O Rahnasto | 2 | 2 | | | | |
| | H Nakano S Ota | 6 | 3 | 3 | | T Nydahl O Rahnasto | 6 | 6 | | | | | | | | | |
| | | | | | 2 | J Fitzgerald A Järryd | 4 | 4 | | | | | | | | | |