Singles
1988 Virginia Slims of Washington
1987 Champion	Hana Mandlíková
Final
Champion	Martina Navratilova
Runner-up	Pam Shriver
Score	6–0, 6–2
Events
Singles Doubles
← 1987 · Virginia Slims of Washington · 1989 →

Hana Mandlíková was the defending champion but lost in the semifinals to Martina Navratilova.

Navratilova won in the final 6–0, 6–2 against Pam Shriver.

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

	First round							Second round							Quarterfinals							Semifinals							Final
	1	M Navratilova	6	6
		J Wiesner	2	3				1	M Navratilova	6	6
		H Ludloff	7	4	5				G Fernández	3	1
		G Fernández	6	6	7										1	M Navratilova	6	6
		M L Daniels	4	6	3										6	Z Garrison	2	0
		J Ingram	6	1	6				J Ingram	0	2
		I Demongeot	2	0	r			6	Z Garrison	6	6
	6	Z Garrison	6	5																		1	M Navratilova	6	6
	4	H Mandlíková	6	6																		4	H Mandlíková	4	2
		W Turnbull	3	2				4	H Mandlíková	7	6
		P Harper	3	2					T Phelps	2	0
		T Phelps	6	6											4	H Mandlíková	5	6	6
		R White	6	2											8	N Zvereva	7	3	3
		A Henricksson	2	0	r				R White	4	2
		L Bonder	4	6				8	N Zvereva	6	6
	8	N Zvereva	6	7																									1	Martina Navratilova	6	6
	7	B Potter	6	6																									2	Pam Shriver	0	2
		N Bykova	4	1				7	B Potter	7	6
		A Kijimuta	6	6					L Meskhi	6	0
		L Meskhi	7	7											7	B Potter	3	2
		W White	4	6											3	G Sabatini	6	6
		N Tauziat	6	7					N Tauziat	1	6
		K Kessaris	3	1				3	G Sabatini	6	7
	3	G Sabatini	6	6																		3	G Sabatini	5	6
	5	H Suková	6	6																		2	P Shriver	7	7
		K Keil	1	0				5	H Suková	6	7
		L Savchenko	6	6					L Savchenko	4	6
		B Gerken	1	3											5	H Suková	2	5
		S Rehe	3	6	1										2	P Shriver	6	7
		S Hanika	6	4	6				S Hanika	2	0
		N Provis	0	4				2	P Shriver	6	6
	2	P Shriver	6	6

• 1988 Virginia Slims of Washington Draw