Singles
1989 Virginia Slims of Washington
1988 Champion	Martina Navratilova
Final
Champion	Steffi Graf
Runner-up	Zina Garrison
Score	6–1, 7–5
Events
Singles Doubles
←  1988 · Virginia Slims of Washington ·  1990 →

Martina Navratilova was the defending champion of the singles title at the Virginia Slims of Washington tennis tournament but did not compete that year.

Graf won in the final 6–1, 7–5 against Zina Garrison.

Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

Draw

Key

	First round							Second round							Quarterfinals							Semifinals							Final
	1	S Graf	6	6
		S Martin	1	1				1	S Graf	6	6
	Q	R Baranski	3	1					C Bassett-Seguso	0	0
		C Bassett-Seguso	6	6											1	S Graf	6	6
		I Demongeot	6	6											8	H Kelesi	0	1
	Q	K Adams	3	3					I Demongeot	3	4
		P Louie-Harper	7	3	1			8	H Kelesi	6	6
	8	H Kelesi	6	6	6																	1	S Graf	6	6
	4	N Zvereva	7	6																		4	N Zvereva	3	4
		C Benjamin	5	1				4	N Zvereva	6	6
		W White	6	6	4				J Ingram	2	4
		J Ingram	4	7	6										4	N Zvereva	6	6
		T Phelps	6	1	2											L Meskhi	2	0
		L Meskhi	2	6	6				L Meskhi	6	6
		E Pfaff	6	3	6				E Pfaff	0	2
	6	B Potter	3	6	2																								1	Steffi Graf	6	7
	7	L Savchenko	0	2																									5	Zina Garrison	1	5
		M Seles	6	6					M Seles	6	6
		E Reinach	5	3					R White	3	0
		R White	7	6												M Seles	6	6
		A Henricksson	6	6											3	M Maleeva	2	4
		M Javer	0	3					A Henricksson	4	6	3
	LL	A Holíková	2	4				3	M Maleeva	6	4	6
	3	M Maleeva	6	6																			M Seles
	5	Z Garrison	6	6																		5	Z Garrison	w/o
		S Sloane	0	3				5	Z Garrison	6	6
		M L Daniels	6	4	6				M L Daniels	2	0
	Q	A Leand	4	6	3										5	Z Garrison	6	6
		D van Rensburg	6	6											LL	G Fernández	4	0
	Q	S Collins	4	4					D van Rensburg	2	0
		N Tauziat	7	6	6			LL	G Fernández	6	6
	LL	G Fernández	5	7	7

References

• 1989 Virginia Slims of Washington Draw