Singles
1985 Buenos Aires Grand Prix
Champion	Martín Jaite
Runner-up	Diego Pérez
Score	6–4, 6–2
Draw	32
Seeds	8

Martín Jaite defeated Diego Pérez 6–4, 6–2 to win the 1985 Buenos Aires Grand Prix singles competition. Guillermo Vilas was the champion but did not defend his title.

Seeds

Draw

Finals

	Semifinals							Final
	1	Diego Pérez	6	6
	WC/6	Jimmy Brown	2	4
								1	Diego Pérez	4	2
								3	Martín Jaite	6	6
	3	Martín Jaite	7	6
	5	Horacio de la Peña	5	2

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	D Pérez	6	6
		D Campos	3	3				1	D Pérez	6	6
		A Fillol	6	6					A Fillol	1	4
	Q	G Minutella	2	2											1	D Pérez	6	6
		C Castellan	6	4	3										8	R Argüello	3	3
	Q	G Tiberti	1	6	6			Q	G Tiberti	0	5
		E Martins	3	2				8	R Argüello	6	7
	8	R Argüello	6	6																		1	D Pérez	6	6
	4	H Gildemeister	6	3	4																	WC/6	J Brown	2	4
	WC	F Davín	4	6	6			WC	F Davín	2	3
		R Viver	6	6					R Viver	6	6
		J Canter	3	1												R Viver	3	3
		G Rivas	2	6	4										WC/6	J Brown	6	6
		C Miniussi	6	4	6				C Miniussi	6	4
		F Roese	5	1				WC/6	J Brown	7	6
	WC/6	J Brown	7	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	7	E Bengoechea	6	2	4
		F Maciel	4	6	6				F Maciel	6	7
		J Góes	7	6					J Góes	3	5
	Q	G Luza	6	2												F Maciel	3	1
	Q	G Garetto	2	7	4										3	M Jaite	6	6
	WC	G Guerrero	6	5	6			WC	G Guerrero	5	1
		C Kist	3	4				3	M Jaite	7	6
	3	M Jaite	6	6																		3	M Jaite	7	6
	5	H de la Peña	6	6																		5	H de la Peña	5	2
		L Duncan	2	4				5	H de la Peña	7	6
		E Fernandez	3	6	6				I Kley	5	2
		I Kley	6	4	7										5	H de la Peña	6	6
		M Ingaramo	7	7												M Ingaramo	3	4
		P Rebolledo	5	6					M Ingaramo	4	6	7
		H Simonsson	6	6					H Simonsson	6	1	5
	2	A Ganzábal	4	4

External links

• 1985 ATP Buenos Aires Singles draw