Women's singles
1970 US Open
Champion	Margaret Court
Runner-up	Rosie Casals
Score	6–2, 2–6, 6–1
Draw	64
Seeds	8

Defending champion Margaret Court defeated Rosie Casals in the final, 6–2, 2–6, 6–1 to win the women's singles tennis title at the 1970 US Open. With the win, Court completed the Grand Slam, becoming the first woman in the Open Era to do so. It was her record-breaking 20th major singles title, surpassing Helen Wills Moody's all-time tally.

Seeds

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	Margaret Court	6	6
		Helen Gourlay	2	2
								1	Margaret Court	6	6
								3	Nancy Richey	1	3
	3	Nancy Richey	6	6
		Lesley Hunt	4	4
															1	Margaret Court	6	2	6
															2	Rosie Casals	2	6	1
	5	Virginia Wade	5	6	6
	4	Françoise Dürr	7	4	0
								5	Virginia Wade	2	7	2
								2	Rosie Casals	6	6	6
	6	Kerry Melville	4	6	4
	2	Rosie Casals	6	4	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
	1	M Court	6	6
		P Austin	1	0				1	M Court	6	6
		P Hogan	7	3	6				P Hogan	1	1
		J Newberry	5	6	1										1	M Court	6	6
		T Faulkner	6	5	6											T Faulkner	0	2
		C Murakami	2	7	4				T Faulkner	6	6
		P Stewart	6	2	0				M Gengler	3	4
		M Gengler	3	6	6																	1	M Court	6	6
		M Cooper	4	2																			H Gourlay	2	2
		H Gourlay	6	6					H Gourlay	6	7
		C Graebner	6	6					C Graebner	3	5
		L Tenney	2	3												H Gourlay	6	6
		B-A Hansen	5	4											8	J Dalton	4	2
		K Pigeon	7	6					K Pigeon	6	6	4
		P Reese	1	2				8	J Dalton	7	0	6
	8	J Dalton	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
	3	N Richey	6	6
		L duPont	2	3				3	N Richey	6	6
		G Chanfreau	6	3	6				G Chanfreau	3	3
		D Carter	3	6	3										3	N Richey	7	2	6
		S Holdsworth	1	5												O Morozova	5	6	2
		S Johnson	6	7					S Johnson	1	3
		L Liem	7	4	1				O Morozova	6	6
		O Morozova	5	6	6																	3	N Richey	6	6
		M Rodríguez																					L Hunt	4	4
		C Sandberg	w	/	o				C Sandberg	6	6
		ME Guzmán							C Capozzi	2	2
		C Capozzi	w	/	o											C Sandberg	4	3
		L Hunt	6	6												L Hunt	6	6
		K Kemmer	3	1					L Hunt	6	6
		P Farmer							P Cody	1	3
		P Cody	w	/	o

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
	5	V Wade	6	6
		T O'Shaughnessy	1	1				5	V Wade	7	6
		I Bentzer	2	2					P Bartkowicz	6	1
		P Bartkowicz	6	6											5	V Wade	3	7	1
		D Hard	3	6	6											S Walsh	6	6	6
		V Ziegenfuss	6	4	4				D Hard	6	1	5
		S Walsh	6	4	6				S Walsh	3	6	7
		E Emmanuel	1	6	2																	5	V Wade	5	6	6
		M Struthers	4	6	2																	4	Dürr	7	4	0
		F Footman	6	4	6				F Footman	6	6
		J O'Hara	6	6	6				J O'Hara	7	7
		L Kaligis	7	2	3											J O'Hara	1	1
		N Truman	6	6											4	Dürr	6	6
		S Vinton	2	0					N Truman	1	0
		M-A Curtis	5	0				4	Dürr	6	6
	4	Dürr	7	6

Section 4

	First round							Second round							Third round							Quarterfinals
	6	K Melville	6	6
		B Vest	2	2				6	K Melville	6	7
		S Stap	6	6					S Stap	4	5
		S Barman	0	1											6	K Melville	7	7
		L Tuero	5	6	5											P Walkden	6	5
		P Walkden	7	3	7				P Walkden	6	6
		E Pande	6	6					E Pande	4	1
		C Molesworth	4	3																		6	K Melville	4	6	4
		P Teeguarden	6	6																		2	R Casals	6	4	6
		K Harris	1	2					P Teeguarden	6	6
		G Hansen	5	4					K Harter	1	4
		K Harter	7	6												P Teeguarden	5	4
		M Kroschina	3	4											2	R Casals	7	6
		C Martinez	6	6					C Martinez	0	3
		C Spinoza	3	0				2	R Casals	6	6
	2	R Casals	6	6

External links

• 1970 US Open – Women's draws and results at the International Tennis Federation