Diede de Groot defeated the defending champion Yui Kamiji in the final, 7–6^(8–6), 6–4 to win the women's singles wheelchair tennis title at the 2018 Australian Open.

	First round							Semifinals							Final
	1	Yui Kamiji	6	7
		Marjolein Buis	3	5
								1	Yui Kamiji	6	6
									Sabine Ellerbrock	3	2
		Lucy Shuker	6	66	64
		Sabine Ellerbrock	2	78	77
															1	Yui Kamiji	66	4
															2	Diede de Groot	78	6
		Kgothatso Montjane	4	3
		Aniek van Koot	6	6
									Aniek van Koot	2	3
								2	Diede de Groot	6	6
	WC	Katharina Krüger	1	1
	2	Diede de Groot	6	6

General

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