# 1989 Toray Pan Pacific Open – Singles

Pam Shriver was the defending champion but did not compete that year.
First-seeded Martina Navratilova won in the final 6–7, 6–3, 7–6 against Lori McNeil.

## Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.
* Martina Navratilova (champion)
* Chris Evert (quarterfinals)
* Gabriela Sabatini (quarterfinals)
* Natasha Zvereva (second round)
* Zina Garrison (semifinals)
* Claudia Kohde-Kilsch (quarterfinals)
* Lori McNeil (final)
* Mary Joe Fernández (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

| Final | Final | Final | Final | Final |
| 1 | Martina Navratilova | 6 | 6 | 7 |
| 7 | Lori McNeil | 7 | 3 | 6 |

### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| | | | | | 1 | M Navratilova | 6 | 6 | | | | | | | | |
| | L Savchenko | 7 | 5 | 4 | LL | N Miyagi | 4 | 1 | | | | | | | | |
| LL | N Miyagi | 5 | 7 | 6 | | | | | 1 | M Navratilova | 6 | 6 | | | | |
| | L Meskhi | 3 | 4 | | | | | | 6 | C Kohde-Kilsch | 2 | 2 | | | | |
| | R Reggi | 6 | 6 | | | R Reggi | 2 | 2 | | | | | | | | |
| | E Inoue | 4 | 5 | | 6 | C Kohde-Kilsch | 6 | 6 | | | | | | | | |
| 6 | C Kohde-Kilsch | 6 | 7 | | | | | | | | | | 1 | M Navratilova | 6 | 6 |
| | | | | | | | | | | | | | 8 | M J Fernández | 2 | 2 |
| | | | | | 3 | G Sabatini | 6 | 6 | | | | | | | | |
| | A Nishiya | 3 | 6 | 6 | | A Nishiya | 3 | 2 | | | | | | | | |
| | K Adams | 6 | 3 | 4 | | | | | 3 | G Sabatini | 2 | 2 | | | | |
| | N Kijimuta | 6 | 6 | | | | | | 8 | M J Fernández | 6 | 6 | | | | |
| | M Yanagi | 3 | 0 | | | N Kijimuta | 0 | 2 | | | | | | | | |
| Q | T Takagi | 3 | 0 | | 8 | M J Fernández | 6 | 6 | | | | | | | | |
| 8 | M J Fernández | 6 | 6 | | | | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | Z Garrison | 6 | 6 | | | | | | | | | | | | | | | | |
| | A Grossman | 3 | 0 | | 5 | Z Garrison | 6 | 6 | | | | | | | | | | | |
| | W White | 7 | 6 | | | W White | 3 | 2 | | | | | | | | | | | |
| LL | K Okamoto | 6 | 0 | | | | | | | 5 | Z Garrison | 6 | 6 | | | | | | |
| | N Sawamatsu | 6 | 4 | 2 | | | | | | Q | M Van Nostrand | 1 | 0 | | | | | | |
| Q | M Van Nostrand | 2 | 6 | 6 | Q | M Van Nostrand | 6 | 7 | | | | | | | | | | | |
| | | | | | 4 | N Zvereva | 2 | 5 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 5 | Z Garrison | 7 | 4 | 4 |
| 7 | L McNeil | 7 | 6 | | | | | | | | | | | | 7 | L McNeil | 5 | 6 | 6 |
| | N Provis | 5 | 2 | | 7 | L McNeil | 6 | 6 | | | | | | | | | | | |
| Q | M Kidowaki | 6 | 3 | 1 | | P Louie-Harper | 4 | 1 | | | | | | | | | | | |
| | P Louie-Harper | 4 | 6 | 6 | | | | | | 7 | L McNeil | 6 | 5 | 6 | | | | | |
| | E O'Neill | 7 | 3 | 3 | | | | | | 2 | C Evert | 2 | 7 | 4 | | | | | |
| Q | A Leand | 6 | 6 | 6 | Q | A Leand | 2 | 6 | 3 | | | | | | | | | | |
| | | | | | 2 | C Evert | 6 | 4 | 6 | | | | | | | | | | |