2011 Natomas Men's Professional Tennis Tournament – Singles

John Millman was the defending champion, but did not participate.
Ivo Karlović won the title, defeating James Blake 6–4, 3–6, 6–4 in the final.

Singles
2011 Natomas Men's Professional Tennis Tournament
Champion	Ivo Karlović
Runner-up	James Blake
Final score	6–4, 3–6, 6–4

Main article: 2011 Natomas Men's Professional Tennis Tournament

Seeds

1. James Blake (Final)
2. Ivo Karlović (Champion)
3. Sam Querrey (Semifinals)
4. Bobby Reynolds (Quarterfinals)
5. Vasek Pospisil (First Round)
6. Izak van der Merwe (Second Round)
7. Björn Phau (Second Round)
8. James Ward (First Round)

Draw

Key

• Q = Qualifier
• WC = Wild Card
• LL = Lucky Loser
• Alt = Alternate
• SE = Special Exempt
• PR = Protected Ranking
• ITF = ITF entry
• JE = Junior Exempt
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Semifinals							Final
	1	James Blake	6	7
		Alex Kuznetsov	2	5
								1	James Blake	4	6	4
								2	Ivo Karlović	6	3	6
	3/WC	Sam Querrey	6^6	6	4
	2	Ivo Karlović	7^8	3	6

Top Half

	First Round							Second Round							Quarterfinals							Semifinals
	1	J Blake	6	7
		A Delić	4	5				1	J Blake	6	6
		C Guccione	6	6					C Guccione	4	4
		JS Cabal	3	4											1	J Blake	6	6
		R Borvanov	3	6	6										WC	J Sock	4	2
	Q	S Johnson	6	4	3				R Borvanov	1	6	3
	WC	J Sock	6	7^7				WC	J Sock	6	3	6
	8	J Ward	3	6^3																		1	J Blake	6	7
	4	B Reynolds	6	2	7																		A Kuznetsov	2	5
		C Salamanca	3	6	5			4	B Reynolds	6	5	6
		F Nielsen	6	5	6				F Nielsen	2	7	2
	WC	N Monroe	2	7	4										4	B Reynolds	6^0	3
		S Greul	6	4	4											A Kuznetsov	7^7	6
		A Kuznetsov	4	6	6				A Kuznetsov	6	6
	Q	B Strode	3	4				6	I van der Merwe	4	2
	6	I van der Merwe	6	6

Bottom Half

	First Round							Second Round							Quarterfinals							Semifinals
	7	B Phau	6	6
	SE	R Farah	1	4				7	B Phau	4	6^4
		U Ignatik	3	6	6				U Ignatik	6	7^7
		F Wolmarans	6	3	4											U Ignatik	5	6^9
		D Gremelmayr	6	3	6										3/WC	S Querrey	7	7^11
	LL	J Baker	1	6	4				D Gremelmayr	7^7	6^1	3
		L Grigelis	4	7^7	2			3/WC	S Querrey	6^4	7^7	6
	3/WC	S Querrey	6	6^5	6																	3/WC	S Querrey	6^6	6	4
	5	V Pospisil	7^7	6^2	3																	2	I Karlović	7^8	3	6
		T de Bakker	6^5	7^7	6				T de Bakker	6	2	6
		T Smyczek	2	5				Q	P-L Duclos	4	6	4
	Q	P-L Duclos	6	7												T de Bakker	4	6^2
	Q	M Venus	2	4											2	I Karlović	6	7^7
		V Estrella	6	6					V Estrella	3	2
		M Fischer	3	6	6^8			2	I Karlović	6	6
	2	I Karlović	6	3	7^10

References

• Main Draw
• Qualifying Draw