Singles
1989 Guarujá Open
1988 Champion	Luiz Mattar
Final
Champion	Luiz Mattar
Runner-up	Jimmy Brown
Score	7–6, 6–4
Details
Draw	32
Seeds	8
Events
Singles Doubles
←  1988 · Guarujá Open ·  1990 →

Luiz Mattar was the defending champion and won in the final 7–6, 6–4 against Jimmy Brown.

Seeds

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated.

Draw

Key

	First round							Second round							Quarterfinals							Semifinals							Final
	1	L Mattar	6	6
		C Kist	2	2				1	L Mattar	7	6
	LL	G Barbosa	7	6				LL	G Barbosa	6	1
		J Daher	6	4											1	L Mattar	7	7
		R Acioly	6	0	3										7	T Witsken	5	5
	WC	R Jabali	4	6	6			WC	R Jabali	2	2
	Q	N Aerts	7	3	3			7	T Witsken	6	6
	7	T Witsken	5	6	6																	1	L Mattar	6	6
	3	J Yzaga	7	6																		3	J Yzaga	3	2
		R Argüello	6	1				3	J Yzaga	6	6
	WC	J Oncins	2	3					M Wostenholme	3	2
		M Wostenholme	6	6											3	J Yzaga	3	6	6
		M Menezes	6	6											6	E Bengoechea	6	2	4
		J Góes	3	4					M Menezes	4	4
		D Campos	6	6				6	E Bengoechea	6	6
	6	E Bengoechea	7	7																									1	Luiz Mattar	7	6
	5	J Frana	6	2	3																									Jimmy Brown	6	4
		J Brown	4	6	6				J Brown	6	6
	Q	E Oliveira	4	3					M Hennemann	0	0
		M Hennemann	6	6												J Brown	6	6	7
	Q	R Camargo	3	6	6										4	C Motta	4	7	5
		I Kley	6	3	4			Q	R Camargo	1	1
		F Roese	3	2				4	C Motta	6	6
	4	C Motta	6	6																			J Brown	1	6	6
	8	D Marcelino	6	7																		8	D Marcelino	6	1	2
		M Allen	3	6				8	D Marcelino	6	7
		R Azar	2	7	1			WC	A Hocevar	4	6
	WC	A Hocevar	6	5	6										8	D Marcelino	6	6
		P Ballauff	6	4												C Allgårdh	3	2
		R Viver	7	6					R Viver	2	4
		C Allgårdh	7	6					C Allgårdh	6	6
	2	L Duncan	5	0

External links

• 1989 Guarujá Open Draw