2013 Citi Open – Men's singles

Alexandr Dolgopolov was the defending champion, but lost to Indian qualifier Somdev Devvarman in the second round.

Men's singles
2013 Citi Open
Champion	Juan Martín del Potro
Runner-up	John Isner
Score	3–6, 6–1, 6–2
Draw	48 (6Q / 5WC)
Seeds	16

Main article: 2013 Citi Open

Juan Martín del Potro won his third Citi Open title and second title of the year, defeating John Isner in the final, 3–6, 6–1, 6–2.

Seeds

All seeds received a bye into the second round.

1. Juan Martín del Potro (champion)
2. Kei Nishikori (third round)
3. Tommy Haas (semifinals)
4. Milos Raonic (third round)
5. Gilles Simon (second round)
6. Sam Querrey (third round)
7. Kevin Anderson (quarterfinals)
8. John Isner (final)
9. Alexandr Dolgopolov (second round)
10. Feliciano López (withdrew because of fatigue)
11. Grigor Dimitrov (quarterfinals)
12. Julien Benneteau (second round)
13. Ivan Dodig (third round)
14. Bernard Tomic (third round)
15. Nikolay Davydenko (second round)
16. Marcos Baghdatis (quarterfinals)
17. Michaël Llodra (second round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Quarterfinals							Semifinals							Final
	1/WC	Juan Martín del Potro	77	6
	7	Kevin Anderson	60	3
								1/WC	Juan Martín del Potro	77	6
								3	Tommy Haas	64	3
	3	Tommy Haas	77	77
	11	Grigor Dimitrov	65	63
															1/WC	Juan Martín del Potro	3	6	6
															8	John Isner	6	1	2
		Dmitry Tursunov	6	4	77
		Marinko Matosevic	3	6	64
									Dmitry Tursunov	79	3	4
								8	John Isner	67	6	6
	8	John Isner	65	6	6
	16	Marcos Baghdatis	77	4	4

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1/WC	JM del Potro	6	7
		L Hewitt	3	5					R Harrison	1	5
		R Harrison	6	7											1/WC	JM del Potro	6	6
		D Goffin	6	6											14	B Tomic	3	3
		Y-h Lu	4	4					D Goffin	1	3
								14	B Tomic	6	6
																						1/WC	JM del Potro	77	6
																						7	K Anderson	60	3
								12	J Benneteau	3	5
	Q	M Ebden	6	1	3				M Fish	6	7
		M Fish	2	6	6											M Fish	62	1
	WC	J Duckworth	6	6											7	K Anderson	77	6
	Q	Y Sugita	2	2				WC	J Duckworth	3	6	4
								7	K Anderson	6	3	6

Section 2

	First round							Second round							Third round							Quarterfinals
								3	T Haas	3	7	6
		G Žemlja	1	710	1			Q	T Smyczek	6	5	3
	Q	T Smyczek	6	68	6										3	T Haas	6	4	7
		R Berankis	6	3	2										13	I Dodig	4	6	5
		T Kamke	3	6	6				T Kamke	6	2	3
								13	I Dodig	2	6	6
																						3	T Haas	77	77
																						11	G Dimitrov	65	63
								11	G Dimitrov	77	6
		X Malisse	4	6	6				X Malisse	64	4
		R Ram	6	3	2										11	G Dimitrov	6	6
		D Istomin	6	6											6	S Querrey	3	2
		S Giraldo	3	4					D Istomin	6	3	69
								6	S Querrey	4	6	711

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								5	G Simon	4	2
	LL	J Levine	65	5					D Tursunov	6	6
		D Tursunov	77	7												D Tursunov	4	6	7
		R Štěpánek	77	6												R Štěpánek	6	4	5
	WC	S Johnson	63	3					R Štěpánek	6	6
								17	M Llodra	2	1
																							D Tursunov	6	4	77
																							M Matosevic	3	6	64
								15	N Davydenko	4	5
		J Blake	2	66					M Matosevic	6	7
		M Matosevic	6	78												M Matosevic	7	79
	WC	D Kudla	62	2											4	M Raonic	5	67
	Q	S Groth	77	6				Q	S Groth	5	4
								4	M Raonic	7	6

Section 4

	First round							Second round							Third round							Quarterfinals
								8	J Isner	77	77
		A Bogomolov Jr.	6	4	3			Q	A Kuznetsov	62	64
	Q	A Kuznetsov	3	6	6										8	J Isner	7	7
	Q	S Devvarman	7	6											Q	S Devvarman	5	5
	LL	R Williams	5	1				Q	S Devvarman	6	77
								9	A Dolgopolov	3	64
																						8	J Isner	65	6	6
																						16	M Baghdatis	77	4	4
								16	M Baghdatis	62	6	6
		L Lacko	1	6	6				L Lacko	77	2	4
		A Falla	6	4	4										16	M Baghdatis	6	6
	WC	J Sock	6	6											2	K Nishikori	1	2
		I Sijsling	4	2				WC	J Sock	5	2
								2	K Nishikori	7	6

Qualifying

Seeds

1. Matthew Ebden (qualified)
2. Rhyne Williams (qualifying competition, lucky loser)
3. Tim Smyczek (qualified)
4. Jesse Levine (qualifying competition, lucky loser)
5. Somdev Devvarman (qualified)
6. Alex Kuznetsov (qualified)
7. Illya Marchenko (first round)
8. Yūichi Sugita (qualified)
9. Donald Young (first round)
10. Malek Jaziri (qualifying competition)
11. Farrukh Dustov (first round)
12. Samuel Groth (qualified)

Qualifiers

1. Matthew Ebden
2. Samuel Groth
3. Tim Smyczek
4. Yūichi Sugita
5. Somdev Devvarman
6. Alex Kuznetsov

Lucky losers

1. Rhyne Williams
2. Jesse Levine

Qualifying draw

First qualifier

	First round							Qualifying competition
								1	Matthew Ebden	6	6
		Saketh Myneni	62	6	6				Saketh Myneni	3	1
	9	Donald Young	77	3	4

Second qualifier

	First round							Qualifying competition
	2	Rhyne Williams	6	3	6
		Robby Ginepri	2	6	3
								2	Rhyne Williams	2	77	2
								12	Samuel Groth	6	65	6
		Sanam Singh	0	5
	12	Samuel Groth	6	7

Third qualifier

	First round							Qualifying competition
	3	Tim Smyczek	6	2	6
	Alt	Alexander Peya	0	6	3
								3	Tim Smyczek	5	6	6
								WC	Jarmere Jenkins	7	2	2
	WC	Jarmere Jenkins	6	6
	11	Farrukh Dustov	4	3

Fourth qualifier

	First round							Qualifying competition
	4	Jesse Levine	6	77
		Denys Molchanov	4	65
								4	Jesse Levine	6	4	3
								8	Yūichi Sugita	2	6	6
		Sekou Bangoura	3	5
	8	Yūichi Sugita	6	7

Fifth qualifier

	First round							Qualifying competition
	5	Somdev Devvarman	7	6
		Jesse Witten	5	0
								5	Somdev Devvarman	6	6
									Christian Harrison	0	1
		Christian Harrison	6	3	79
	7	Illya Marchenko	3	6	67

Sixth qualifier

	First round							Qualifying competition
	6	Alex Kuznetsov	6	3	6
	WC	Mac Styslinger	3	6	1
								6	Alex Kuznetsov	6	77
								10	Malek Jaziri	4	64
	WC	Mitchell Frank	4	2
	10	Malek Jaziri	6	6