Singles
2009 Natomas Men's Professional Tennis Tournament
Champion	Santiago Giraldo
Runner-up	Jesse Levine
Score	7–6(4), 6–1

Donald Young chose to not defend his 2008 title.
Santiago Giraldo won this tournament. He won against Jesse Levine 7–6(4), 6–1 in the final.

Seeds

Draw

Final four

	Semifinals							Final
		Jesse Witten	1	4
	6	Santiago Giraldo	6	6
								6	Santiago Giraldo	7	6
								4	Jesse Levine	64	1
	4	Jesse Levine	6	6
	WC	Ryan Harrison	4	3

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Kendrick	7	4	6
	Q	I van der Merwe	65	6	1			1	R Kendrick	67	6	7
		M Felder	3	2					L Cook	7	4	66
		L Cook	6	6											1	R Kendrick	7	4	3
		J Witten	6	6												J Witten	64	6	6
	LL	R Klaasen	3	3					J Witten	7	7
	WC	J-M Gambill	4	6	6			WC	J-M Gambill	66	5
	7	R Sweeting	6	4	4																		J Witten	1	4
	3	K Kim	6	6																		6	S Giraldo	6	6
	WC	Alexander Domijan	4	2				3	K Kim	2	65
	Q	TC Huey	3	6	6			Q	TC Huey	6	7
		T Widom	6	0	3										Q	TC Huey	1	7	4
		V Spadea	6	7											6	S Giraldo	6	66	6
		A Kuznetsov	3	65					V Spadea	1	67
		I Bozoljac	7	4	1			6	S Giraldo	6	7
	6	S Giraldo	5	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	R Karanušić	63	2
		S Jenkins	7	6					S Jenkins	6	5	6
	Q	L Sorensen	6	6				Q	L Sorensen	3	7	3
		S González	1	3												S Jenkins	1	1
	SE	A Begemann	5	6	5										4	J Levine	6	6
		S Stadler	7	3	7				S Stadler	2	4
		P Amritraj	6	3	5			4	J Levine	6	6
	4	J Levine	1	6	7																	4	J Levine	6	6
	8	G Žemlja	4	6	5																	WC	R Harrison	4	3
	WC	R Harrison	6	1	7			WC	R Harrison	2	6	6
		G Lapentti	2	3					M Lammer	6	3	3
		M Lammer	6	6											WC	R Harrison	6	3	7
		N Lindahl	6	6												N Lindahl	3	6	65
	Q	C Mamiit	3	1					N Lindahl	6	6
	WC	D Evans	6	6				WC	D Evans	3	3
	2	W Odesnik	2	4

References

• Main Draw
• Qualifying Draw