Neige Dias was the defending champion but lost in the quarterfinals to Andrea Vieira.

Mercedes Paz won in the final 7–5, 6–2 against Rene Simpson.

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

	First round							Second round							Quarterfinals							Semifinals							Final
	1	B Fulco	6	6
		L Spadea	1	2				1	B Fulco	6	7
	Q	A Creek	6	6				Q	A Creek	1	5
		L Della Casa	1	3											1	B Fulco	3	2
		J Wiesner	5	3												P Vásquez	6	6
		L Corsato	7	6					L Corsato	1	6	2
		P Vásquez	6	6					P Vásquez	6	4	6
	7	V Martinek	3	4																			P Vásquez	2	2
	3	M Paz	6	6																		3	M Paz	6	6
		N Rooimans	4	3				3	M Paz	6	7
		K Oberleitner	4	3					S Schilder	3	6
		S Schilder	6	6											3	M Paz	6	6
		D Faber	6	6												D Faber	3	3
		A Tiezzi	2	2					D Faber	7	6
		E Raponi-Longo	6	4	6			6	P Medrado	6	3
	6	P Medrado	4	6	7																								3	Mercedes Paz	7	6
	8	G Miró	6	6																									Q	Rene Simpson	5	2
		C Bakkum	3	0				8	G Miró	6	6	7
		N Marcucci	2	6	6				N Marcucci	7	2	5
		L Pennington	6	3	2										8	G Miró	5	3
	Q	R Baranski	2	6	6										Q	R Simpson	7	6
		L Tella	6	3	2			Q	R Baranski	4	4
	Q	R Simpson	6	6				Q	R Simpson	6	6
	4	A Villagrán	4	1																		Q	R Simpson	6	6
	5	C Cohen	4	2																			A Vieira	2	2
		G Mosca	6	6					G Mosca	2	2
		A Vieira	6	6	6				A Vieira	6	6
		K Strohmeier	7	3	4											A Vieira	6	6
		M Rooimans	7	5	6										2	N Dias	2	3
	Q	J Souto	6	7	3				M Rooimans	4	7	0
		C Chabalgoity	2	6	4			2	N Dias	6	5	6
	2	N Dias	6	2	6

• 1988 Rainha Cup Draw