Men's singles
2016 Citi Open
Champion	Gaël Monfils
Runner-up	Ivo Karlović
Score	5–7, 7–6(8–6), 6–4
Draw	48 (6Q / 4WC)
Seeds	16

Kei Nishikori was the defending champion, but chose not to participate this year.
Second-seeded Gaël Monfils won the title, defeating Ivo Karlović in the final: 5–7, 7–6^(8–6), 6–4.

Seeds

All seeds receive a bye into the second round.

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

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	John Isner	67	615
	5	Steve Johnson	79	717
								5	Steve Johnson	4	4
								13	Ivo Karlović	6	6
	13	Ivo Karlović	77	78
	6	Jack Sock	64	66
															13	Ivo Karlović	7	66	4
															2	Gaël Monfils	5	78	6
	7/WC	Alexander Zverev	6	6
	4	Benoît Paire	1	3
								7/WC	Alexander Zverev	4	0
								2	Gaël Monfils	6	6
	8	Sam Querrey	4	6	1
	2	Gaël Monfils	6	3	6

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	J Isner	6	6
	Q	J Duckworth	7	6				Q	J Duckworth	3	4
		T Smyczek	5	1											1	J Isner	77	6
		D Kudla	5	0											15	M Baghdatis	63	2
		J Millman	7	6					J Millman	2	4
								15	M Baghdatis	6	6
																						1	J Isner	67	615
																						5	S Johnson	79	717
								10	V Troicki	64	4
	Q	R Harrison	77	6				Q	R Harrison	77	6
		S Robert	61	3											Q	R Harrison	4	4
		A Mannarino	77	7											5	S Johnson	6	6
	WC	F Tiafoe	64	5					A Mannarino	3	4
								5	S Johnson	6	6

Section 2

	First round							Second round							Third round							Quarterfinals
								3	B Tomic	77	6
		D Young	6	3	6				D Young	64	3
	Q	E Escobedo	4	6	3										3	B Tomic	64	3
		S Groth	63	65											13	I Karlović	77	6
	PR	B Baker	77	77				PR	B Baker	3	64
								13	I Karlović	6	77
																						13	I Karlović	77	78
																						6	J Sock	64	66
								12	G Dimitrov	4	4
		D Evans	6	6					D Evans	6	6
		B Becker	2	1												D Evans	1	5
		L Lacko	77	4	6										6	J Sock	6	7
	WC	D Shapovalov	63	6	4				L Lacko	61	4
								6	J Sock	77	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								7/WC	A Zverev	6	6
		D Sela	4	3					T Fritz	4	2
		T Fritz	6	6											7/WC	A Zverev	6	5	6
	WC	R Opelka	77	64	63											M Jaziri	2	7	2
		M Jaziri	64	77	77				M Jaziri	5	6	77
								9	K Anderson	7	4	63
																						7/WC	A Zverev	6	6
																						4	B Paire	1	3
								14	G Müller	6	6
		Y Nishioka	6	4					Y Nishioka	4	1
		I Dodig	2	2r											14	G Müller	2	6	64
	Q	V Millot	7	2	4										4	B Paire	6	3	77
	Q	J Donaldson	5	6	6			Q	J Donaldson	0	5
								4	B Paire	6	7

Section 4

	First round							Second round							Third round							Quarterfinals
								8	S Querrey	65	6	6
	Q	A Kuznetsov	6	2	4				B Fratangelo	77	4	4
		B Fratangelo	4	6	6										8	S Querrey	77	6
		J Thompson	6	6											11	A Dolgopolov	65	3
		V Estrella Burgos	3	2					J Thompson	4	6	64
								11	A Dolgopolov	6	1	77
																						8	S Querrey	4	6	1
																						2	G Monfils	6	3	6
								16	B Ćorić	6	6
		Y Sugita	1	6	77				Y Sugita	4	4
		V Pospisil	6	2	64										16	B Ćorić	2	3
		A Krajicek	1	63											2	G Monfils	6	6
		Y-h Lu	6	77					Y-h Lu	3	2
								2	G Monfils	6	6

Qualifying

Qualifying draw

First qualifier

	First round							Qualifying competition
								1	Dennis Novikov	63	4
	WC	Leon Vessels	1	1				10	Ernesto Escobedo	77	6
	10	Ernesto Escobedo	6	6

Second qualifier

	First round							Qualifying competition
								2	Vincent Millot	63	7	4
		Mackenzie McDonald	3	6	64			9	Alejandro Falla	77	5	1r
	9	Alejandro Falla	6	3	77

Third qualifier

	First round							Qualifying competition
								3	Jared Donaldson	711	6
	Alt	Scott Lipsky	1	0				11	Marinko Matosevic	69	4
	11	Marinko Matosevic	6	6

Fourth qualifier

	First round							Qualifying competition
								4	Ryan Harrison	6	6
	WC	Ryan Shane	4	2				8	Amir Weintraub	4	3
	8	Amir Weintraub	6	6

Fifth qualifier

	First round							Qualifying competition
	5	Matthew Barton	6	6
	WC	Nikita-Girey Demir	0	1
								5	Matthew Barton	4	3
								12	Alex Kuznetsov	6	6
	Alt	Eric Butorac	2	2
	12	Alex Kuznetsov	6	6

Sixth qualifier

	First round							Qualifying competition
	6	James Duckworth	6	6
	WC	Ulises Blanch	1	4
								6	James Duckworth	4	77	6
								7	Alexander Sarkissian	6	65	2
		Nathan Pasha	1	1
	7	Alexander Sarkissian	6	6

References

• Main Draw
• Qualifying Draw