Singles
1989 Toray Pan Pacific Open
Final
Champion	Martina Navratilova
Runner-up	Lori McNeil
Score	6–7, 6–3, 7–6
Details
Draw	28 (4 Q )
Seeds	8
Events
Singles Doubles
← 1988 · Pan Pacific Open · 1990 →

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.^[1]

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.

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

	First round							Second round							Quarterfinals							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

	First round							Second round							Quarterfinals							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

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