# 1985 Japan Open Tennis Championships – Men's doubles

David Dowlen and Nduka Odizor were the defending champions, but both players chose to compete at Sydney during the same week.
Scott Davis and David Pate won the title by defeating Sammy Giammalva Jr. and Greg Holmes 7–6$^{(7–3)}$, 6–7$^{(6–8)}$, 6–3 in the final.

## Seeds

* Scott Davis / David Pate (champions)
* Steve Denton / Gary Donnelly (quarterfinals)
* Andy Kohlberg / Robert Van't Hof (semifinals)
* Chris Dunk / Glenn Michibata (second round)
* Vitas Gerulaitis / Vincent Van Patten (second round)
* Sammy Giammalva Jr. / Greg Holmes (final)
* Russell Simpson / Erik Van't Hof (quarterfinals)
* Menno Oosting / Huub van Boeckel (first round)

## 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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Scott Davis David Pate | 6 | 6 | | | | | | |
| 3 | Andy Kohlberg Robert Van't Hof | 4 | 3 | | | | | | |
| 3 | Andy Kohlberg Robert Van't Hof | 4 | 3 | | 1 | Scott Davis David Pate | 7$^7$ | 6$^6$ | 6 |
| | | | | | 6 | Sammy Giammalva Jr. Greg Holmes | 6$^3$ | 7$^8$ | 3 |
| | Matt Anger Jimmy Arias | 6 | 6 | 6 | 6 | Sammy Giammalva Jr. Greg Holmes | 6$^3$ | 7$^8$ | 3 |
| 6 | Sammy Giammalva Jr. Greg Holmes | 7 | 4 | 7 | | | | | |

### Top half

| 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 |
| 1 | S Davis D Pate | 6 | 6 | | | | | | | | | | | | | |
| | Noriyuki Washida Nobuo Yoshida | 3 | 0 | 1 | S Davis D Pate | 6 | 6 | 6 | | | | | | | | |
| | S Menon C Strode | 7 | 6 | | S Menon C Strode | 7 | 3 | 4 | | | | | | | | |
| | S Nishio Kenzo Ukon | 6 | 2 | | | | | | 1 | S Davis D Pate | 6 | 6 | | | | |
| | T Fukui Nobuya Tamura | 3 | 4 | | | | | | 7 | R Simpson E Van't Hof | 4 | 2 | | | | |
| | S Guy S Vasudevan | 6 | 6 | | S Guy S Vasudevan | 4 | 2 | | | | | | | | | |
| | Lee Brandenburg B Dickinson | 4 | 3 | 7 | R Simpson E Van't Hof | 6 | 6 | | | | | | | | | |
| 7 | R Simpson E Van't Hof | 6 | 6 | | | | | | | | | | 1 | S Davis D Pate | 6 | 6 |
| 3 | A Kohlberg R Van't Hof | 6 | 7 | | | | | | | | | | 3 | A Kohlberg R Van't Hof | 4 | 3 |
| | T Erck D Utzinger | 3 | 6 | 3 | A Kohlberg R Van't Hof | 6 | 6 | | | | | | | | | |
| | A El-Mehelmy M Wooldridge | 6 | 3 | | J Bailey T Yonezawa | 2 | 2 | | | | | | | | | |
| | J Bailey T Yonezawa | 7 | 6 | | | | | | 3 | A Kohlberg R Van't Hof | 6 | 6 | | | | |
| | G Lemon H Rittersbacher | 2 | 4 | | | | | | | R Brown J Carlsson | 3 | 4 | | | | |
| | R Brown J Carlsson | 6 | 6 | | R Brown J Carlsson | 6 | 7 | | | | | | | | | |
| | C Campbell H McDadi | 2 | 4 | 5 | V Gerulaitis V Van Patten | 2 | 6 | | | | | | | | | |
| 5 | V Gerulaitis V Van Patten | 6 | 6 | | | | | | | | | | | | | |

### 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 | Semifinals |
| 8 | M Oosting H van Boeckel | 6 | 4 | 3 | | | | | | | | | | | | | | |
| | M Anger J Arias | 3 | 6 | 6 | | M Anger J Arias | 6 | 6 | | | | | | | | | | |
| | K Richter R Rudeen | 6 | 6 | | | K Richter R Rudeen | 4 | 4 | | | | | | | | | | |
| | H Shirato E Takeuchi | 4 | 4 | | | | | | | | M Anger J Arias | 7 | 6 | | | | | |
| | S McCain R Nixon | 6 | 6 | | | | | | | | S McCain R Nixon | 6 | 3 | | | | | |
| | Ryō Kubodera Atsushi Noguchi | 0 | 4 | | | S McCain R Nixon | 3 | 7 | 7 | | | | | | | | | |
| | S Matsuoka R Tsujino | 3 | 4 | | 4 | C Dunk G Michibata | 6 | 6 | 6 | | | | | | | | | |
| 4 | C Dunk G Michibata | 6 | 6 | | | | | | | | | | | | M Anger J Arias | 6 | 6 | 6 |
| 6 | S Giammalva Jr. G Holmes | 6 | 6 | | | | | | | | | | | 6 | S Giammalva Jr. G Holmes | 7 | 4 | 7 |
| | C Stansbury P Wright | 3 | 2 | | 6 | S Giammalva Jr. G Holmes | 6 | 6 | | | | | | | | | | |
| | Henry Somerville Jim Somerville | 6 | 6 | | | Henry Somerville Jim Somerville | 2 | 4 | | | | | | | | | | |
| | Takayoshi Shibuya Minoru Ueda | 4 | 3 | | | | | | | 6 | S Giammalva Jr. G Holmes | 6 | 7 | | | | | |
| | H Nakano Kiyotaka Tachibana | 4 | 4 | | | | | | | 2 | S Denton G Donnelly | 4 | 5 | | | | | |
| | J Canter D Saltz | 6 | 6 | | | J Canter D Saltz | 0 | 0 | | | | | | | | | | |
| | Shōichi Horiuchi Masayoshi Takeyari | 2 | 0 | | 2 | S Denton G Donnelly | 6 | 6 | | | | | | | | | | |
| 2 | S Denton G Donnelly | 6 | 6 | | | | | | | | | | | | | | | |