1970 Australian Open – Women's singles

Women's singles
1970 Australian Open
Final
Champion	Margaret Court
Runner-up	Kerry Melville
Score	6–3, 6–1
Details
Draw	43
Seeds	8
Events
Singles men women boys girls Doubles men women mixed boys girls WC Singles men women quad WC Doubles men women quad Legends men women mixed
← 1969 · Australian Open · 1971 →

Defending champion Margaret Court defeated Kerry Melville in the final, 6–3, 6–1 to win the women's singles tennis title at the 1970 Australian Open. It was her ninth Australian Open singles title and 17th major singles title overall. It was also the first step in an eventual Grand Slam for Court, the first in women's singles in the Open Era. Court did not lose a set during the tournament.

All seeds receive a bye into the second round.

	Quarterfinals							Semifinals							Final
	1	Margaret Court	6	6
		Evonne Goolagong	3	1
								1	Margaret Court	6	6
								4	Karen Krantzcke	1	3
	4	Karen Krantzcke	8	11
	5	Judy Dalton	6	9
															1	Margaret Court	6	6
															2	Kerry Melville	3	1
	7	Lesley Hunt	4	3
	3	Winnie Shaw	6	6
								3	Winnie Shaw	6	4
								2	Kerry Melville	8	6
	6	Christina Sandberg	0	2
	2	Kerry Melville	6	6

	First round							Second round							Third round							Quarterfinals
								1	M Court	6	6
		C Langsford	6	6					C Langsford	0	0
		S Irvine	3	2											1	M Court	6	6
																K Wilkinson	0	1
									H Kayser	4	6	5
									K Wilkinson	6	3	7
																						1	M Court	6	6
																							E Goolagong	3	1
								8	K Harris	6	8
		C Cooper	0	3					H Amos	3	6
		H Amos	6	6											8	K Harris	8	0
																E Goolagong	10	6
									E Goolagong	6	6
		N Marsh	6	7					N Marsh	4	4
		S Thomson	2	5

	First round							Second round							Third round							Quarterfinals
								4	K Krantzcke	6	6
		T Van Haren	1	1					V Lancaster	3	2
		V Lancaster	6	6											4	K Krantzcke	6	6
																L Liem	1	4
									L Liem	6	6
									J Gohl	3	3
																						4	K Krantzcke	8	11
																						5	J Dalton	6	9
								5	J Dalton	6	6
		S Walsham	7	6					S Walsham	3	2
		J Harris	5	4											5	J Dalton	6	6
																L Kaligis	1	3
									L Kaligis	6	6
									J Whyte	4	3

	First round							Second round							Third round							Quarterfinals
		S Hole	6	6
		L Cameron	3	0					S Hole	2	3
									J Young	6	6
																J Young	6	3
		C Norquay	6	3	6										7	L Hunt	8	6
		M Morgan	3	6	3				C Norquay	0	2
								7	L Hunt	6	6
																						7	L Hunt	6	6
																						3	W Shaw	4	3
									W Turnbull	4	2
									W Gilchrist	6	6
																W Gilchrist	1	3
		N Eastburn	6	4	3										3	W Shaw	6	6
		C Sieler	4	6	6				C Sieler	1	3
								3	W Shaw	6	6

	First round							Second round							Third round							Quarterfinals
		V Caulley
		E Allan	w/o						V Caulley	1	0
									J O'Neill	6	6
																J O'Neill	6	5
		K Hogarth	5	9											6	C Sandberg	8	7
		H Sheedy	7	11					H Sheedy	0	3
								6	C Sandberg	6	6
																						6	C Sandberg	0	2
																						2	K Melville	6	6
									S Alexander	6	8
									M Tesch	4	6
																S Alexander	0	2
		J Fallis	6	3	3										2	K Melville	6	6
		A Avis	1	6	6				A Avis	3	2
								2	K Melville	6	6

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

Preceded by 1969 US Open – Women's singles

Grand Slam women's singles

Succeeded by 1970 French Open – Women's singles