2018 Brisbane International – Women's singles

Karolína Plíšková was the defending champion,^[1] but lost in the semifinals to Elina Svitolina.^[2]

Women's singles
2018 Brisbane International
Champion	Elina Svitolina
Runner-up	Aliaksandra Sasnovich
Score	6–2, 6–1
Draw	30 (4 Q / 2 WC )
Seeds	8

Main article: 2018 Brisbane International

Svitolina went on to win the title, defeating Aliaksandra Sasnovich in the final, 6–2, 6–1.^[3]

Garbiñe Muguruza was in contention for the WTA No. 1 singles ranking at the start of the tournament, but she retired during her opening second round match.^[4] As such, Simona Halep retained the No. 1 ranking. Of note, it was the fourth consecutive edition of the tournament that Muguruza had to retire or withdraw from due to injury.^[5]

Seeds

The top two seeds received a bye into the second round.

1. Garbiñe Muguruza (second round, retired)
2. Karolína Plíšková (semifinals)
3. Elina Svitolina (champion)
4. Caroline Garcia (first round, retired)
5. Johanna Konta (quarterfinals, retired)
6. Kristina Mladenovic (first round)
7. Anastasija Sevastova (semifinals)
8. Ashleigh Barty (first round)

Draw

Finals

	Semifinals							Final
	7	Anastasija Sevastova	63	4
	Q	Aliaksandra Sasnovich	77	6
								Q	Aliaksandra Sasnovich	2	1
								3	Elina Svitolina	6	6
	3	Elina Svitolina	7	7
	2	Karolína Plíšková	5	5

Top half

	First round							Second round							Quarterfinals							Semifinals
								1	G Muguruza	7	63	2r
		C Witthöft	5	62					A Krunić	5	77	1
		A Krunić	7	77												A Krunić	2	4
	Q	J Brady	63	1											7	A Sevastova	6	6
		S Cîrstea	77	6					S Cîrstea	2	1
		S Stosur	1	3				7	A Sevastova	6	6
	7	A Sevastova	6	6																		7	A Sevastova	63	4
	4	C Garcia	6	3	0r																	Q	A Sasnovich	77	6
		A Cornet	3	6	0				A Cornet	6	7
		T Maria	4	6	0				M Lučić-Baroni	1	5
		M Lučić-Baroni	6	4	6											A Cornet	6	2	3
	LL	H Watson	0	3											Q	A Sasnovich	3	6	6
		A Kontaveit	6	6					A Kontaveit	6	62	3
	Q	A Sasnovich	1	6	7			Q	A Sasnovich	1	77	6
	6	K Mladenovic	6	3	5

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	J Konta	4	6	6
		M Keys	6	4	3			5	J Konta	4	6	6
	WC	D Aiava	1	4				WC	A Tomljanović	6	1	4
	WC	A Tomljanović	6	6											5	J Konta	6	66	2r
		K Bertens	1	2											3	E Svitolina	1	78	3
		A Konjuh	6	6					A Konjuh	3	1
		C Suárez Navarro	2	4				3	E Svitolina	6	6
	3	E Svitolina	6	6																		3	E Svitolina	7	7
	8	A Barty	3	2																		2	Ka Plíšková	5	5
		L Tsurenko	6	6					L Tsurenko	4	3
	Q	K Kanepi	6	6				Q	K Kanepi	6	6
		D Kasatkina	2	2											Q	K Kanepi	6	5	2
	Q	K Bondarenko	2	5											2	Ka Plíšková	3	7	6
		C Bellis	6	7					C Bellis	1	1
								2	Ka Plíšková	6	6

Qualifying

Seeds

1. Natalia Vikhlyantseva (second round, withdrew)
2. Jennifer Brady (qualified)
3. Heather Watson (qualifying competition; lucky loser)
4. Aliaksandra Sasnovich (qualified)
5. Kateryna Bondarenko (qualified)
6. Andrea Petkovic (first round)
7. Kaia Kanepi (qualified)
8. Kristie Ahn (qualifying competition)

Qualifiers

1. Kateryna Bondarenko
2. Jennifer Brady
3. Kaia Kanepi
4. Aliaksandra Sasnovich

Lucky losers

1. Heather Watson

Qualifying draw

First qualifier

	First round							Second round							Qualifying competition
	1	Natalia Vikhlyantseva	77	6
		Viktoriya Tomova	64	3
								1	Natalia Vikhlyantseva
									Dayana Yastremska	w/o
		Dayana Yastremska	6	6
		Vera Lapko	2	4
																Dayana Yastremska	2	6	4
															5	Kateryna Bondarenko	6	4	6
		Alizé Lim	6	3	2
		Jaimee Fourlis	1	6	6
									Jaimee Fourlis	5	1
								5	Kateryna Bondarenko	7	6
	WC	Naiktha Bains	1	4
	5	Kateryna Bondarenko	6	6

Second qualifier

	First round							Second round							Qualifying competition
	2	Jennifer Brady	7	6
		Lizette Cabrera	5	1
								2	Jennifer Brady	6	6
									Irina Falconi	1	2
		Irina Falconi	4	6	6
		Caroline Dolehide	6	2	4
															2	Jennifer Brady	6	6
															8	Kristie Ahn	1	4
		Fanny Stollár	3	4
		Priscilla Hon	6	6
									Priscilla Hon	3	4
								8	Kristie Ahn	6	6
		Antonia Lottner	5	1
	8	Kristie Ahn	7	6

Third qualifier

	First round							Second round							Qualifying competition
	3	Heather Watson	7	6
		Danielle Lao	5	3
								3	Heather Watson	6	6
									Misaki Doi	2	4
		Misaki Doi	712	6
		Tamara Zidanšek	610	4
															3	Heather Watson	4	1
															7	Kaia Kanepi	6	6
		Kayla Day	1	1
	WC	Sara Tomic	6	6
								WC	Sara Tomic	1	4
								7	Kaia Kanepi	6	6
	WC	Kimberly Birrell	1	3
	7	Kaia Kanepi	6	6

Fourth qualifier

	First round							Second round							Qualifying competition
	4	Aliaksandra Sasnovich	6	6
		Julia Boserup	1	4
								4	Aliaksandra Sasnovich	6	6
									Isabelle Wallace	3	1
		Isabelle Wallace	4	6	6
	WC	Tammi Patterson	6	3	4
															4	Aliaksandra Sasnovich	3	7	6
																Polina Monova	6	5	2
		Olivia Rogowska	6	5	65
		Bernarda Pera	4	7	77
									Bernarda Pera	3	77	3
									Polina Monova	6	64	6
		Polina Monova	6	6
	6	Andrea Petkovic	3	3