Women's singles
2018 Citi Open
Champion	Svetlana Kuznetsova
Runner-up	Donna Vekić
Score	4–6, 7–6(9–7), 6–2

Ekaterina Makarova was the defending champion, but lost in the first round to Ana Bogdan.

Svetlana Kuznetsova won the title, beating Donna Vekić in the final, 4–6, 7–6^(9–7), 6–2, despite being four match points down in the second set.

Seeds

Draw

Finals

	Semifinals							Final
	SE	Zheng Saisai	5	3
	7	Donna Vekić	7	6
								7	Donna Vekić	6	67	2
									Svetlana Kuznetsova	4	79	6
		Svetlana Kuznetsova	6	6
		Andrea Petkovic	2	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	LL	Y Bonaventure	6	6
	Q	A Kalinina	3	3				LL	Y Bonaventure	4	4
	WC	K Swan	2	4				SE	S Zheng	6	6
	SE	S Zheng	6	6											SE	S Zheng	6	6
	Q	A Kiick	6	6											Q	A Kiick	3	1
		X Han	2	3				Q	A Kiick	6	5	6
		K Boulter	6	6					K Boulter	4	7	1
	5	A Krunić	2	0																		SE	S Zheng	5	3
	3	N Osaka	6	77																		7	D Vekić	7	6
		B Pera	2	64				3	N Osaka	2	6	3
		M Linette	6	6					M Linette	6	3	6
		O Rogowska	4	1												M Linette	1	60
	LL	M Hibi	1	66											7	D Vekić	6	77
		F Stollár	6	78					F Stollár	2	6	613
		C Dolehide	3	4				7	D Vekić	6	3	715
	7	D Vekić	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	Y Putintseva	6	3	6
		T Maria	3	6	4			8	Y Putintseva	7	6
		J Brady	6	6					J Brady	5	2
		N Vikhlyantseva	1	4											8	Y Putintseva	2	2
		S Kuznetsova	6	6												S Kuznetsova	6	6
		K Ahn	2	1					S Kuznetsova	6	6
		A Bogdan	77	6					A Bogdan	2	1
	4	E Makarova	62	3																			S Kuznetsova	6	6
	6	B Bencic	7	6																			A Petkovic	2	2
	Q	H Dart	5	2				6	B Bencic	w/o
		N Hibino	7	6					N Hibino
	Q	S Zhuk	5	4											6	B Bencic	3	6	68
		J Loeb	1	1												A Petkovic	6	2	710
		A Petkovic	6	6					A Petkovic	2	6	6
	WC	B Mattek-Sands	5	4				2	S Stephens	6	4	2
	2	S Stephens	7	6

Qualifying

Draw

First qualifier

	First round							Qualifying competition
	1	Ysaline Bonaventure	6	7
		Sophie Chang	4	5
								1	Ysaline Bonaventure	1	0
								7	Allie Kiick	6	6
		Nika Kukharchuk	2	0
	7	Allie Kiick	6	6

Second qualifier

	First round							Qualifying competition
	2	Anhelina Kalinina	6	6
		Sesil Karatantcheva	4	1
								2	Anhelina Kalinina	6	6
									Louisa Chirico	3	4
		Louisa Chirico	6	77
	8	Lauren Davis	1	62

Third qualifier

	First round							Qualifying competition
	3	Sofya Zhuk	6	6
		Deniz Khazaniuk	4	3
								3	Sofya Zhuk	6	77
								6	Mayo Hibi	3	63
	WC	Natasha Subhash	0	1
	6	Mayo Hibi	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Harriet Dart	6	6
		Shuko Aoyama	1	0
								4	Harriet Dart	6	6
								Alt	Alexa Guarachi	2	2
	Alt	Alexa Guarachi	2	7	7
	5	Francesca Di Lorenzo	6	5	5

References

• Main Draw
• Qualifying Draw