Martina Hingis won the singles tennis title at the 1997 Pan Pacific Open via walkover walkover after Steffi Graf withdrew from the final.

Iva Majoli was the defending champion, but lost in the quarterfinals to Graf.

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	Steffi Graf
	2	Martina Hingis	w/o

	First round							Second round							Quarterfinals							Semifinals
								1	S Graf	6	6
	Q	S Noorlander	5	7	5				L Raymond	3	2
		L Raymond	7	6	7										1	S Graf	6	6
		A Sugiyama	7	6	6										5	I Majoli	2	3
	Q	A Dechaume-Balleret	6	7	4				A Sugiyama	5	5
	Q	L Varmužová	4	5				5	I Majoli	7	7
	5	I Majoli	6	7																		1	S Graf	6	7
																						8	B Schultz-McCarthy	1	5
								3	C Martínez	7	1	6
		N Kijimuta	2	6	4			Q	K Boogert	6	6	3
	Q	K Boogert	6	4	6										3	C Martínez	1	0
		H Nagyová	6	3	3										8	B Schultz-McCarthy	6	6
		N Sawamatsu	4	6	6				N Sawamatsu	6	5
		R Dragomir	7	4	2			8	B Schultz-McCarthy	7	7
	8	B Schultz-McCarthy	5	6	6

	First round							Second round							Quarterfinals							Semifinals
	6	L Davenport	6	6
		S-T Wang	1	2				6	L Davenport	6	6
	WC	T Tanasugarn	6	6				WC	T Tanasugarn	3	1
		N Zvereva	2	1											6	L Davenport	3	6	2
		K Po	6	6											4	A Huber	6	4	6
		K Studeníková	4	1					K Po	4	3
								4	A Huber	6	6
																						4	A Huber	1	7	2
	7	I Spîrlea	6	6																		2	M Hingis	6	5	6
		E Likhovtseva	3	4				7	I Spîrlea	4	6	4
		Y Basuki	4	1					A Coetzer	6	2	6
		A Coetzer	6	6												A Coetzer	0	1
		G Pizzichini	7	4	7										2	M Hingis	6	6
	WC	R Hiraki	6	6	6				G Pizzichini	1	0
								2	M Hingis	6	6

• 1997 Toray Pan Pacific Open Draw