Garbiñe Muguruza defeated Simona Halep in the final, 6–1, 6–0 to win the women's singles tennis title at the 2017 Cincinnati Masters. By losing in the final, Halep failed to take advantage of her third opportunity in 2017 to take over the WTA No. 1 singles ranking when the top ranking was only one match win away.^[1]

Karolína Plíšková was the defending champion, but lost in the semifinals to Muguruza.

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

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

	Quarterfinals							Semifinals							Final
	1	Karolína Plíšková	6	6
	6	Caroline Wozniacki	2	4
								1	Karolína Plíšková	3	2
								4	Garbiñe Muguruza	6	6
	4	Garbiñe Muguruza	6	5	7
	8	Svetlana Kuznetsova	2	7	5
															4	Garbiñe Muguruza	6	6
															2	Simona Halep	1	0
		Julia Görges	1	63
	WC	Sloane Stephens	6	77
								WC	Sloane Stephens	2	1
								2	Simona Halep	6	6
	7	Johanna Konta	4	61
	2	Simona Halep	6	77

	First round							Second round							Third round							Quarterfinals
								1	Ka Plíšková	6	6
	Q	D Vekić	3	6	3			LL	N Vikhlyantseva	2	3
	LL	N Vikhlyantseva	6	2	6										1	Ka Plíšková	6	4	6
		K Siniaková	2	2											Q	C Giorgi	3	6	0
	Q	C Giorgi	6	6				Q	C Giorgi	77	5	6
		D Gavrilova	6	78					D Gavrilova	61	7	3
	13	K Mladenovic	0	66																		1	Ka Plíšková	6	6
	9	V Williams	6	6																		6	C Wozniacki	2	4
		A Riske	2	0				9	V Williams	3	6	2
	Q	A Barty	6	6				Q	A Barty	6	2	6
	Q	V Lepchenko	4	4											Q	A Barty	4	2
		E Vesnina	4	6	6										6	C Wozniacki	6	6
		C Garcia	6	4	4				E Vesnina	2	4
								6	C Wozniacki	6	6

	First round							Second round							Third round							Quarterfinals
								4	G Muguruza	6	6
		L Davis	3	2				Q	B Haddad Maia	2	0
	Q	B Haddad Maia	6	6											4	G Muguruza	6	3	77
	Q	A Sasnovich	4	2											16	M Keys	4	6	63
		D Kasatkina	6	6					D Kasatkina	2	1
		C Vandeweghe	4	6	3			16	M Keys	6	6
	16	M Keys	6	3	6																	4	G Muguruza	6	5	7
	12	J Ostapenko	4	2																		8	S Kuznetsova	2	7	5
	Q	A Krunić	6	6				Q	A Krunić	2	2
		M Lučić-Baroni	3	5					C Suárez Navarro	6	6
		C Suárez Navarro	6	7												C Suárez Navarro	2	4
	Q	V Cepede Royg	4	6	3										8	S Kuznetsova	6	6
		Y Putintseva	6	3	6				Y Putintseva	3	4
								8	S Kuznetsova	6	6

	First round							Second round							Third round							Quarterfinals
								5	E Svitolina	6	6
		L Tsurenko	5	78	6				L Tsurenko	1	4
		A Pavlyuchenkova	7	66	0										5	E Svitolina	5	4
	Q	F Abanda	3	6	6											J Görges	7	6
	Q	M Linette	6	4	2			Q	F Abanda	4	4
		J Görges	6	6					J Görges	6	6
	10	A Radwańska	4	4																			J Görges	1	63
	14	P Kvitová	1	77	6																	WC	S Stephens	6	77
		A Kontaveit	6	62	3			14	P Kvitová	2	3
	WC	S Stephens	6	77				WC	S Stephens	6	6
		L Šafářová	4	65											WC	S Stephens	2	6	6
		E Makarova	6	6												E Makarova	6	3	4
		B Strýcová	4	1					E Makarova	6	1	713
								3	A Kerber	4	6	611

	First round							Second round							Third round							Quarterfinals
								7	J Konta	6	6
	WC	O Dodin	3	0					K Bertens	3	3
		K Bertens	6	6											7	J Konta	6	6
		A Cornet	77	3	6										11	D Cibulková	3	4
		C Bellis	65	6	2				A Cornet	1	4
		A Konjuh	7	5	2			11	D Cibulková	6	6
	11	D Cibulková	5	7	6																	7	J Konta	4	61
	15	A Sevastova	3	6	6																	2	S Halep	6	77
		S Peng	6	4	2			15	A Sevastova	6	7
		T Babos	5	5					R Vinci	2	5
		R Vinci	7	7											15	A Sevastova	4	3
	Q	T Townsend	3	6	6										2	S Halep	6	6
	Q	M Puig	6	3	2			Q	T Townsend	4	1
								2	S Halep	6	6

1. Natalia Vikhlyantseva

	First round							Qualifying competition
	1	Magdaléna Rybáriková	6	6
		Andrea Petkovic	4	1
								1	Magdaléna Rybáriková	3	4
								22	Camila Giorgi	6	6
	PR	Misa Eguchi	63	3
	22	Camila Giorgi	77	6

	First round							Qualifying competition
	2	Elise Mertens	6	5	2
		Aliaksandra Sasnovich	2	7	6
									Aliaksandra Sasnovich	4	77	6
								WC	Sofia Kenin	6	64	3
	WC	Sofia Kenin	6	6
	21	Evgeniya Rodina	3	2

	First round							Qualifying competition
	3	Mona Barthel	5	2
		Zarina Diyas	7	6
									Zarina Diyas	4	3
								24	Magda Linette	6	6
	WC	Caroline Dolehide	77	66	63
	24	Magda Linette	64	78	77

	First round							Qualifying competition
	4	Donna Vekić	6	4	6
		Kurumi Nara	4	6	3
								4	Donna Vekić	2	6	6
									Aryna Sabalenka	6	4	1
		Aryna Sabalenka	77	6
	16	Heather Watson	64	4

	First round							Qualifying competition
	5	Johanna Larsson	4	65
		Ekaterina Alexandrova	6	77
									Ekaterina Alexandrova	3	63
								19	Beatriz Haddad Maia	6	77
		Ana Bogdan	3	1
	19	Beatriz Haddad Maia	6	6

	First round							Qualifying competition
	6	Sorana Cîrstea	77	3	4
		Aleksandra Krunić	61	6	6
									Aleksandra Krunić	77	4	6
								18	Francesca Schiavone	65	6	2
	WC	Nicole Gibbs	77	2	1
	18	Francesca Schiavone	61	6	6

	First round							Qualifying competition
	7	Monica Niculescu	6	2	1
		Mariana Duque Mariño	4	6	6
									Mariana Duque Mariño	4	77	5
								15	Monica Puig	6	64	7
		Sara Sorribes Tormo	2	2
	15	Monica Puig	6	6

	First round							Qualifying competition
	8	Ashleigh Barty	7	6
		Risa Ozaki	5	2
								8	Ashleigh Barty	6	6
								23	Kirsten Flipkens	1	0
		Hsieh Su-wei	3	2
	23	Kirsten Flipkens	6	6

	First round							Qualifying competition
	9	Irina-Camelia Begu	77	1	3
	WC	Taylor Townsend	64	6	6
								WC	Taylor Townsend	62	7	6
								13	Carina Witthöft	77	5	1
		Alison Van Uytvanck	2	1
	13	Carina Witthöft	6	6

	First round							Qualifying competition
	10	Natalia Vikhlyantseva	7	6
		Kateryna Bondarenko	5	3
								10	Natalia Vikhlyantseva	65	4
									Françoise Abanda	77	6
		Françoise Abanda	6	0	6
	20	Misaki Doi	2	6	3

	First round							Qualifying competition
	11	Christina McHale	6	3	2
		Petra Martić	1	6	6
									Petra Martić	3	6	5
								17	Verónica Cepede Royg	6	3	7
	WC	Irina Falconi	6	0	3
	17	Verónica Cepede Royg	2	6	6

	First round							Qualifying competition
	12	Lara Arruabarrena	6	1	69
		Jennifer Brady	2	6	711
									Jennifer Brady	67	3
								14	Varvara Lepchenko	79	6
	WC	Kayla Day	4	4
	14	Varvara Lepchenko	6	6

• Main Draw
• Qualifying Draw