Zina Garrison was the defending champion but lost in the semifinals to Natalia Zvereva.

Martina Navratilova won in the final against Zvereva, 6–4, 7–6^(8–6).

The top eight seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
	1	Martina Navratilova	6	6
	5	Lori McNeil	3	2
								1	Martina Navratilova	6	6
									Brenda Schultz	3	2
		Brenda Schultz	6	6
	LL	Catherine Suire	3	2
															1	Martina Navratilova	6	78
															4	Natalia Zvereva	4	66
	8	Manon Bollegraf	4	77	2
	4	Natalia Zvereva	6	65	6
								4	Natalia Zvereva	2	77	8
								2	Zina Garrison	6	64	6
		Mariaan de Swardt	3	4
	2	Zina Garrison	6	6

	First round							Second round							Third round							Quarterfinals
								1	M Navratilova	6	6
		J Durie	6	3	3				Y Basuki	2	3
		Y Basuki	4	6	6										1	M Navratilova	6	6
		N Miyagi	61	4												M Kidowaki	0	2
		M Kidowaki	77	6					M Kidowaki	78	78
	Q	S Collins	3	2				13	A Minter	66	66
	13	A Minter	6	6																		1	M Navratilova	6	6
	15	A Kijimuta	65	3																		5	L McNeil	3	2
		C Wood	77	6					C Wood	77	1	4
		B Nagelsen	2	6	4				A Henricksson	64	6	6
		A Henricksson	6	3	6											A Henricksson	2	3
		E Pfaff	3	4											5	L McNeil	6	6
	Q	R Stubbs	6	6				Q	R Stubbs	6	5	2
								5	L McNeil	4	7	6

	First round							Second round							Third round							Quarterfinals
								3	N Tauziat	65	6	6
		E Reinach	77	5	6				E Reinach	77	4	4
		L Golarsa	64	7	3										3	N Tauziat	3	5
		A Temesvári-Trunkos	6	6												B Schultz	6	7
		S Loosemore	4	4					A Temesvári-Trunkos	66	2
		B Schultz	6	6					B Schultz	78	6
	10	C Kohde-Kilsch	4	1																			B Schultz	6	6
	LL	C Suire	6	77																		LL	C Suire	3	2
		L Field	3	61				LL	C Suire	6	3	6
		K Godridge	6	6					K Godridge	4	6	2
		N van Lottum	2	4											LL	C Suire	6	77
		R Baranski	2	4												B Cordwell	2	64
		B Cordwell	6	6					B Cordwell	6	6
								7	N Sawamatsu	2	4

	First round							Second round							Third round							Quarterfinals
								8	M Bollegraf	4	6	8
		E Smylie	6	6					E Smylie	6	2	6
		D Faber	2	3											8	M Bollegraf	6	6
	Q	M Jaggard	6	77											16	P Shriver	4	3
		S Martin	4	64				Q	M Jaggard	3	4
		J Salmon	0	4				16	P Shriver	6	6
	16	P Shriver	6	6																		8	M Bollegraf	4	77	2
	14	S Rehe	4	6	5																	4	N Zvereva	6	65	6
		K Date	6	2	7				K Date	77	2	6
		T Takagi	6	67	6				T Takagi	62	6	2
	Q	J-A Faull	0	79	2											K Date	3	1
	Q	C MacGregor	5	6	6										4	N Zvereva	6	6
		A Grunfeld	7	4	4			Q	C MacGregor	79	63	4
								4	N Zvereva	67	77	6

	First round							Second round							Third round							Quarterfinals
								6	M McGrath	65	0
		N Jagerman	4	1					M de Swardt	77	6
		M de Swardt	6	6												M de Swardt	6	6
		C Dahlman	4	6	1										9	G Magers	3	4
	Q	K Adams	6	4	6			Q	K Adams	2	2
	Q	M Lindström	4	4				9	G Magers	6	6
	9	G Magers	6	6																			M de Swardt	3	4
	11	C Lindqvist	6	7																		2	Z Garrison	6	6
		B Griffiths	3	5				11	C Lindqvist	6	2	1
	Q	S Wibowo	0	1					S Gomer	2	6	6
		S Gomer	6	6												S Gomer	6	2	4
		P Paradis-Mangon	6	4	6										2	Z Garrison	4	6	6
	LL	M Oremans	2	6	3				P Paradis-Mangon	4	3
								2	Z Garrison	6	6

• 1991 Dow Classic draws
• ITF tournament details Archived 16 April 2017 at the Wayback Machine
• ITF singles results page