Singles
2009 Copa Petrobras Montevideo
Champion	Pablo Cuevas
Runner-up	Nicolás Lapentti
Score	7–5, 6–1

Peter Luczak chose not to defend his 2008 title.
Pablo Cuevas became the new champion, after beating Nicolás Lapentti 7–5, 6–1 in the final.

Seeds

Draw

Final four

	Semifinals							Final
	1	Pablo Cuevas	6	6
	SE	Gastón Gaudio	2	4
								1	Pablo Cuevas	7	6
									Nicolás Lapentti	5	1
		Nicolás Lapentti	6	65	7
	5	Juan Ignacio Chela	2	7	62

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	P Cuevas	6	6
		P Polansky	1	3				1	P Cuevas	4
		D Muñoz de la Nava	2	3					P Santos	4	r
		P Santos	6	6											1	P Cuevas	6	7
		S Roitman	0	3											Q	L Tavares	4	5
	Q	L Tavares	6	6				Q	L Tavares	6	6
	WC	R Delgado	6					WC	R Delgado	2	4
	6	S Ventura	3	r																		1	P Cuevas	6	6
	4	N Massú	4	6	7																	SE	G Gaudio	2	4
		J Souza	6	3	65			4	N Massú	6	3	4
	SE	G Gaudio	6	6				SE	G Gaudio	2	6	6
		B Dabul	3	4											SE	G Gaudio	6	6
		R Hocevar	2	65											WC	L Horna	3	4
	Q	J-M Aranguren	6	7				Q	J-M Aranguren	65	4
	WC	L Horna	7	3	6			WC	L Horna	7	6
	7	R Ramírez Hidalgo	5	6	4

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	L Recouderc	3	4
		M Zabaleta	6	6					M Zabaleta	1	3
		JP Brzezicki	6	7					JP Brzezicki	6	6
	Q	M Alund	1	66												JP Brzezicki	2	4
		N Lapentti	6	6												N Lapentti	6	6
		D Junqueira	1	4					N Lapentti	6	6
		E Schwank	6	6					E Schwank	2	4
	3	P Capdeville	3	4																			N Lapentti	6	65	7
	5	JI Chela	6	6																		5	JI Chela	2	7	62
	ALT	D Marrero	2	0				5	JI Chela	6	7
	WC	M Puerta	6	7				WC	M Puerta	1	69
		B Kavčič	4	63											5	JI Chela	6	6
	Q	Leandro Migani	7	4	7										2	M González	1	0
		A Bogomolov Jr.	66	6	5			Q	L Migani	2	6	5
	WC	M Cuevas	3	3				2	M González	6	2	7
	2	M González	6	6

References

• Main Draw
• Qualifying Draw