Men's singles
2018 Citi Open
Champion	Alexander Zverev
Runner-up	Alex de Minaur
Score	6–2, 6–4
Draw	48 (6Q / 4WC)
Seeds	16

Alexander Zverev was the defending champion and successfully defended his title, defeating Alex de Minaur in the final, 6–2, 6–4.

Seeds

All seeds receive byes into the second round.

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

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	Alexander Zverev	3	6	6
	7	Kei Nishikori	6	1	4
								1	Alexander Zverev	6	6
								10	Stefanos Tsitsipas	2	4
	3	David Goffin	3	4
	10	Stefanos Tsitsipas	6	6
															1	Alexander Zverev	6	6
																Alex de Minaur	2	4
		Alex de Minaur	w/o
		Andy Murray
									Alex de Minaur	5	78	6
								16	Andrey Rublev	7	66	4
		Denis Kudla	1	4
	16	Andrey Rublev	6	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	A Zverev	6	6
		E Donskoy	4	1					M Jaziri	2	1
		M Jaziri	6	6											1	A Zverev	6	7
	WC	T Smyczek	77	6											15	M Zverev	3	5
		R Berankis	64	2				WC	T Smyczek	2	67
								15	M Zverev	6	79
																						1	A Zverev	3	6	6
																						7	K Nishikori	6	1	4
								9	D Shapovalov	3	6	6
	Q	Y Watanuki	6	5	1			WC	D Medvedev	6	1	4
	WC	D Medvedev	3	7	6										9	D Shapovalov	61	3
	WC	S Wawrinka	4	77	63										7	K Nishikori	77	6
	Q	D Young	6	65	77			Q	D Young	3	4
								7	K Nishikori	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								3	D Goffin	6	1	77
		P-H Herbert	7	6					P-H Herbert	2	6	65
	Q	M Krueger	5	3											3	D Goffin	6	6
		I Ivashka	4	3											13	F Tiafoe	0	3
		H Hurkacz	6	6					H Hurkacz	2	4
								13	F Tiafoe	6	6
																						3	D Goffin	3	4
																						10	S Tsitsipas	6	6
								10	S Tsitsipas	3	6	7
		J Donaldson	6	77					J Donaldson	6	3	5
		J Thompson	4	64											10	S Tsitsipas	6	6
	PR	J Duckworth	6	7											PR	J Duckworth	3	4
	Q	T-S Kwiatkowski	3	5				PR	J Duckworth	1	6	77
								LL	J Kubler	6	2	65

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								8	H Chung	62	6	6
		M Baghdatis	6	3	6				M Baghdatis	77	4	3
		B Paire	3	6	2										8	H Chung	2	6	2
		V Pospisil	78	2	3											A de Minaur	6	4	6
		A de Minaur	66	6	6				A de Minaur	6	7
								11	S Johnson	4	5
																							A de Minaur	w/o
																							A Murray
								14	J Chardy	4	4
		M Bašić	69	4					M Copil	6	6
		M Copil	711	6												M Copil	77	3	64
		M McDonald	6	4	5											A Murray	65	6	77
		A Murray	3	6	7				A Murray	77	1	6
								4	K Edmund	64	6	4

Section 4

	First round							Second round							Third round							Quarterfinals
								6	L Pouille	62	6	3
	Q	V Millot	6	6				Q	V Millot	77	4	0r
		Y Sugita	3	2											6	L Pouille	5	78	65
		L Lacko	77	1	4											D Kudla	7	66	77
		D Kudla	63	6	6				D Kudla	6	6
								12	K Khachanov	2	3
																							D Kudla	1	4
																						16	A Rublev	6	6
								16	A Rublev	77	6
	WC	T Paul	3	77	6			WC	T Paul	65	4
	Q	A Bolt	6	60	2										16	A Rublev	6	6
		M Youzhny	4	4											WC	N Rubin	3	2
	WC	N Rubin	6	6				WC	N Rubin	6	78
								2	J Isner	4	66

Qualifying

Qualifying draw

First qualifier

	First round							Qualifying competition
								1	Jason Kubler	4	4
								10	Yosuke Watanuki	6	6
	Alt	Patrick Kypson	5	3
	10	Yosuke Watanuki	7	6

Second qualifier

	First round							Qualifying competition
								2	Ramkumar Ramanathan	3	3
								7	Mitchell Krueger	6	6
	WC	Andrew Fenty	64	1
	7	Mitchell Krueger	77	6

Third qualifier

	First round							Qualifying competition
								3	Jason Jung	7	5	0r
								8	Donald Young	5	7	1
	WC	Danny Thomas	62	6	2
	8	Donald Young	77	4	6

Fourth qualifier

	First round							Qualifying competition
								4	Alex Bolt	7	60	7
								WC	Jared Hiltzik	5	77	5
	WC	Jared Hiltzik	6	6
	9	Stefan Kozlov	3	3

Fifth qualifier

	First round							Qualifying competition
	5	Christopher Eubanks	6	6
	WC	Ryan Shane	3	2
								5	Christopher Eubanks	5	4
								11	Vincent Millot	7	6
	WC	Hunter Koontz	2	78	2
	11	Vincent Millot	6	66	6

Sixth qualifier

	First round							Qualifying competition
	6	Filip Peliwo	5	3
		Antoine Escoffier	7	6
									Antoine Escoffier	6	1	2r
									Thai-Son Kwiatkowski	3	6	5
		Thai-Son Kwiatkowski	78	0	7
	12/PR	Illya Marchenko	66	6	5

References

• Main draw
• Qualifying draw