Singles
2003 Brasil Open
Champion	Sjeng Schalken
Runner-up	Rainer Schüttler
Score	6–2, 6–4

Gustavo Kuerten was the defending champion but lost in the semifinals to Rainer Schüttler.

Sjeng Schalken won in the final 6–2, 6–4 against Rainer Schüttler.

Seeds

Draw

Finals

	Semifinals							Final
	1	Rainer Schüttler	6	2	7
	3	Gustavo Kuerten	4	6	5
								1	Rainer Schüttler	2	4
								2	Sjeng Schalken	6	6
	Q	Gastón Etlis	1	0r
	2	Sjeng Schalken	6	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Schüttler	6	6
	WC	A Sá	2	0				1	R Schüttler	6	6
		P Goldstein	6	6					P Goldstein	0	1
		F Browne	2	0											1	R Schüttler	6	6
		R Delgado	6	5												R Delgado	1	3
		M Puerta	3	1r					R Delgado	2	6	6
	WC	M Daniel	4	3				7	F Saretta	6	3	4
	7	F Saretta	6	6																		1	R Schüttler	6	2	7
	3	G Kuerten	6	6																		3	G Kuerten	4	6	5
		M Norman	3	2				3	G Kuerten	6	6
		W Eschauer	5	77	77				W Eschauer	2	1
	Q	J Silva	7	62	61										3	G Kuerten	6	6
	Q	P Capdeville	77	0	1											R Mello	2	2
		R Mello	64	6	6				R Mello	2	6	6
		T Larkham	4	6	1			6	J I Chela	6	2	4
	6	J I Chela	6	2	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	8	K Carlsen	4	6	713
	WC	F Ferreiro	6	4	611			8	K Carlsen	7	65	6
		I Miranda	4	4					W Moodie	5	77	3
		W Moodie	6	6											8	K Carlsen	4	77	3
	Q	G Etlis	1	6	6										Q	G Etlis	6	62	6
		B Vahaly	6	2	3			Q	G Etlis	7	4	77
		E Taino	77	7					E Taino	5	6	65
	4	F González	65	5																		Q	G Etlis	1	0r
	5	V Spadea	6	7																		2	S Schalken	6	2
		G Cañas	4	5				5	V Spadea	6	2	3
		H Gamonal	77	6					H Gamonal	1	6	1r
	Q	M Quintero	60	2											5	V Spadea	60	2
		A Popp	1	6	1										2	S Schalken	77	6
		G Carraz	6	4	6				G Carraz	5	4
		C Saulnier	64	6	3			2	S Schalken	7	6
	2	S Schalken	77	2	6

External links

• 2003 Brasil Open Draw