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Women's Singles
2018 Miami Open
Champion	Sloane Stephens
Runner-up	Jeļena Ostapenko
Final score	7–6(7–5), 6–1
Events
Singles men women Doubles men women
← 2017 · Miami Open · 2019 →

Johanna Konta was the defending champion, but lost in the fourth round to Venus Williams.

Sloane Stephens won the title, defeating Jeļena Ostapenko in the final, 7–6^(7–5), 6–1. It was Stephens' sixth career singles title, first Premier Mandatory title, and first title since winning the US Open back in September. By virtue of her victory, Stephens also made her debut in the Top 10, at No. 9.

Danielle Collins became the first qualifier in Miami Open history to reach the semifinals. She defeated Venus Williams in the quarterfinals.^[1]

Seeds

All seeds received a bye into the second round.

Click on the seed number of a player to go to their draw section.

Draw

Key

Finals

	Quarterfinals							Semifinals							Final
	WC	Victoria Azarenka	7	6
	5	Karolína Plíšková	5	3
								WC	Victoria Azarenka	6	2	1
								13	Sloane Stephens	3	6	6
	13	Sloane Stephens	6	6
	10	Angelique Kerber	1	2
															13	Sloane Stephens	77	6
															6	Jeļena Ostapenko	65	1
	6	Jeļena Ostapenko	77	77
	4	Elina Svitolina	63	65
								6	Jeļena Ostapenko	77	6
								Q	Danielle Collins	61	3
	8	Venus Williams	2	3
	Q	Danielle Collins	6	6

Top half

Section 1

	First Round							Second Round							Third Round							Fourth Round
								1	S Halep	3	6	7
		V Cepede Royg	4	77	3			LL	O Dodin	6	3	5
	LL	O Dodin	6	63	6										1	S Halep	6	2	3
		K Bondarenko	77	5	1										30	A Radwańska	3	6	6
		A Van Uytvanck	63	7	6				A Van Uytvanck	3	64
								30	A Radwańska	6	77
																						30	A Radwańska	2	2
																						WC	V Azarenka	6	6
								20	A Sevastova	7	6
	WC	B Mattek-Sands	2	5					A Cornet	5	4
		A Cornet	6	7											20	A Sevastova	6	4	1
		C Bellis	3	0											WC	V Azarenka	3	6	6
	WC	V Azarenka	6	6				WC	V Azarenka	77	2
								14	M Keys	65	0r

Section 2

	First Round							Second Round							Third Round							Fourth Round
								12	J Görges	62	6	4
		T Maria	3	4					C Witthöft	77	4	6
		C Witthöft	6	6												C Witthöft	6	5	0
		Z Diyas	7	710												Z Diyas	4	7	6
		J Brady	5	68					Z Diyas	6	6
								18	S Kuznetsova	1	3
																							Z Diyas	2	1r
																						5	Ka Plíšková	6	2
								32	S Cîrstea	5	2
	Q	K Boulter	4	5					S-w Hsieh	7	6
		S-w Hsieh	6	7												S-w Hsieh	4	6	64
		T Bacsinszky	2	6	4										5	Ka Plíšková	6	1	77
		E Makarova	6	2	6				E Makarova	5	5
								5	Ka Plíšková	7	7

Section 3

	First Round							Second Round							Third Round							Fourth Round
								3	G Muguruza	w/o
	WC	A Anisimova	6	1	6			WC	A Anisimova
		Q Wang	3	6	2										3	G Muguruza	6	6
		C McHale	1													C McHale	2	1
		K Kanepi	3r						C McHale	6	6
								25	B Strýcová	1	4
																						3	G Muguruza	3	4
																						13	S Stephens	6	6
								17	M Rybáriková	3	3
	Q	M Niculescu	6	6				Q	M Niculescu	6	6
		Y Putintseva	2	4											Q	M Niculescu	77	3	0r
		L Tsurenko	6	4	5										13	S Stephens	61	6	4
	WC	A Tomljanović	3	6	7			WC	A Tomljanović	1	3
								13	S Stephens	6	6

Section 4

	First Round							Second Round							Third Round							Fourth Round
								10	A Kerber	6	6
		J Larsson	4	77	7				J Larsson	2	2
		K Siniaková	6	65	5										10	A Kerber	6	6
		A Sasnovich	1	77	7										23	A Pavlyuchenkova	4	4
		Kr Plíšková	6	65	5				A Sasnovich	2	6	2
								23	A Pavlyuchenkova	6	3	6
																						10	A Kerber	61	77	6
																						Q	Y Wang	77	65	3
								27	C Suárez Navarro	5	3
	Q	Y Wang	6	4	77			Q	Y Wang	7	6
		M Vondroušová	2	6	60										Q	Y Wang	4	6	77
		M Linette	6	0	2										Q	A Riske	6	3	64
	Q	A Riske	1	6	6			Q	A Riske	6	6
								7	C Garcia	3	1

Bottom half

Section 5

	First Round							Second Round							Third Round							Fourth Round
								6	J Ostapenko	6	6
		M Barthel	65	3					T Babos	4	4
		T Babos	77	6											6	J Ostapenko	6	77
		B Haddad Maia	77	6												B Haddad Maia	2	62
		H Watson	63	2					B Haddad Maia	6	6
								31	S Zhang	3	2
																						6	J Ostapenko	77	6
																						9	P Kvitová	64	3
								19	D Kasatkina	6	2	2
	Q	S Vögele	4	4				Q	S Kenin	3	6	6
	Q	S Kenin	6	6											Q	S Kenin	6	2	4
		M Brengle	1	4											9	P Kvitová	3	6	6
		A Sabalenka	6	6					A Sabalenka	5	6	3
								9	P Kvitová	7	3	6

Section 6

	First Round							Second Round							Third Round							Fourth Round
								15	K Mladenovic	6	4	2
		L Davis	1	5					P Martić	3	6	6
		P Martić	6	7												P Martić	4	3
	WC	C Liu	6	6											21	A Barty	6	6
	WC	W Osuigwe	3	1				WC	C Liu	0	60
								21	A Barty	6	77
																						21	A Barty	5	4
																						4	E Svitolina	7	6
								26	D Gavrilova	77	6
	Q	A Petkovic	6	6				Q	A Petkovic	63	4
	Q	P Hercog	2	0											26	D Gavrilova	6	0	1
	WC	S Williams	3	2											4	E Svitolina	4	6	6
		N Osaka	6	6					N Osaka	4	2
								4	E Svitolina	6	6

Section 7

	First Round							Second Round							Third Round							Fourth Round
								8	V Williams	7	6
	Q	N Vikhlyantseva	7	6				Q	N Vikhlyantseva	5	4
	Q	R Peterson	5	1											8	V Williams	5	6	7
		V Lepchenko	6	5	7										29	K Bertens	7	3	5
	Q	V Golubic	4	7	5				V Lepchenko	7	65	1
								29	K Bertens	5	77	6
																						8	V Williams	5	6	6
																						11	J Konta	7	1	2
								22	E Mertens	77	6
	WC	B Pera	7	6				WC	B Pera	65	3
		L Arruabarrena	5	4											22	E Mertens	2	1
		K Flipkens	6	6											11	J Konta	6	6
		M Buzărnescu	2	3					K Flipkens	4	3
								11	J Konta	6	6

Section 8

	First Round							Second Round							Third Round							Fourth Round
								16	C Vandeweghe	3	6	1
	Q	D Collins	6	6				Q	D Collins	6	1	6
		I-C Begu	1	1											Q	D Collins	4	6	6
		C Giorgi	0	5												D Vekić	6	2	1
		D Vekić	6	7					D Vekić	6	64	6
								24	E Vesnina	3	77	1
																						Q	D Collins	3	6	6
																							M Puig	6	4	2
								28	A Kontaveit	4	1
		A Krunić	5	1					M Sakkari	6	6
		M Sakkari	7	6												M Sakkari	3	5
		M Puig	6	6												M Puig	6	7
		S Stosur	3	4					M Puig	0	6	6
								2	C Wozniacki	6	4	4

Qualifying

Seeds

Qualifiers

Lucky Loser

Qualifying draw

First qualifier

	First Round							Qualifying Competition
	1	Monica Niculescu	6	6
		Antonia Lottner	4	0
								1	Monica Niculescu	6	6
								21	Yanina Wickmayer	1	3
		Olivia Rogowska	4	77	4
	21	Yanina Wickmayer	6	63	6

Second qualifier

	First Round							Qualifying Competition
	2	Polona Hercog	6	6
	WC	Wang Xiyu	4	2
								2	Polona Hercog	6	6
									Barbora Krejčíková	4	2
		Barbora Krejčíková	4	7	3
	19	Jana Fett	6	5	1r

Third qualifier

	First Round							Qualifying Competition
	3	Natalia Vikhlyantseva	6	6
	WC	Emiliana Arango	3	2
								3	Natalia Vikhlyantseva	77	6
								24	Nicole Gibbs	63	4
		Sofya Zhuk	2	0
	24	Nicole Gibbs	6	6

Fourth qualifier

	First Round							Qualifying Competition
	4	Sara Errani	4	7	62
		Tereza Martincová	6	5	77
									Tereza Martincová	5	2
								PR	Stefanie Vögele	7	6
	PR	Stefanie Vögele	7	6
	16	Kristie Ahn	5	2

Fifth qualifier

	First Round							Qualifying Competition
	5	Pauline Parmentier	0	3
		Rebecca Peterson	6	6
									Rebecca Peterson	6	6
								22	Eugenie Bouchard	4	3
	WC	Allie Kiick	2	2
	22	Eugenie Bouchard	6	6

Sixth qualifier

	First Round							Qualifying Competition
	6	Duan Yingying	64	2r
		Wang Yafan	77	5
									Wang Yafan	6	6
									Françoise Abanda	4	3
		Françoise Abanda	6	6
	18	Evgeniya Rodina	4	3

Seventh qualifier

	First Round							Qualifying Competition
	7	Océane Dodin	4	7	6
		Naomi Broady	6	5	3
								7	Océane Dodin	1	0r
								14	Alison Riske	6	0
		Ons Jabeur	5	1
	14	Alison Riske	7	6

Eighth qualifier

	First Round							Qualifying Competition
	8	Kurumi Nara	77	4	3
		Vera Lapko	63	6	6
									Vera Lapko	61	2
								13	Andrea Petkovic	77	6
	PR	Sabine Lisicki	6	3	1r
	13	Andrea Petkovic	4	6	3

Ninth qualifier

	First Round							Qualifying Competition
	9	Jana Čepelová	6	7
		Viktoriya Tomova	4	5
								9	Jana Čepelová	63	4
								23	Danielle Collins	77	6
	WC	Tereza Smitková	2	4
	23	Danielle Collins	6	6

Tenth qualifier

	First Round							Qualifying Competition
	10	Sachia Vickery	7	1	2
		Roberta Vinci	5	6	6
									Roberta Vinci	4	3
								15	Viktorija Golubic	6	6
		Arina Rodionova	3	3
	15	Viktorija Golubic	6	6

Eleventh qualifier

	First Round							Qualifying Competition
	11	Taylor Townsend	61	2
	WC	Katie Boulter	77	6
								WC	Katie Boulter	3	77	6
									Carol Zhao	6	61	2
		Carol Zhao	6	6
	17	Sara Sorribes Tormo	2	2

Twelfth qualifier

	First Round							Qualifying Competition
	12	Sofia Kenin	6	7
	WC	Ann Li	2	5
								12	Sofia Kenin	3	6	6
									Ysaline Bonaventure	6	4	3
		Ysaline Bonaventure	6	6
	20	Mariana Duque Mariño	3	2

Sources

• Main Draw


• Qualifying Draw

References