Singles
1989 Vitosha New Otani Open
1988 Champion	Conchita Martínez
Champion	Isabel Cueto
Runner-up	Katerina Maleeva
Score	6–2, 7–6

Conchita Martínez was the defending champion but did not compete that year.

Isabel Cueto won in the final 6–2, 7–6 against Katerina Maleeva.

Seeds

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

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

	First round							Second round							Quarterfinals							Semifinals							Final
	1	K Maleeva	6	7
		A Simpkin	3	5				1	K Maleeva	6	7
	LL	R Szikszay	6	6	7			LL	R Szikszay	0	5
		S Frankl	4	7	5										1	K Maleeva	6	6
		S Meier	2	6	6											S Meier	4	4
		M-C Damas	6	4	1				S Meier	1	6	6
		A Dechaume	6	2	0			8	S Hack	6	4	4
	8	S Hack	0	6	6																	1	K Maleeva	6	6
	4	P Langrová	7	5	6																		B Romanò	2	3
		M Grossi	6	7	1			4	P Langrová	7	6
		F Bonsignori	7	6					F Bonsignori	6	2
	Q	C Singer	6	2											4	P Langrová	6	2	2
	Q	T Morton	7	3	2											B Romanò	2	6	6
		L Lásková	6	6	6				L Lásková	2	2
		B Romanò	6	6					B Romanò	6	6
	5	L Garrone	3	0																									1	Katerina Maleeva	2	6
	7	A Kanellopoulou	6	6																									2	Isabel Cueto	6	7
	Q	M Maruska	3	1				7	A Kanellopoulou	6	6
		S Menning	3	3				Q	M Frimmelová	3	3
	Q	M Frimmelová	6	6											7	A Kanellopoulou	7	6
		M Laval	6	4	7											C Dahlman	6	0
		J Joseph	2	6	6				M Laval	5	1
		C Dahlman	6	6					C Dahlman	7	6
	3	L Golarsa	0	0																		7	A Kanellopoulou	5	1
	6	S Goleš	6	6																		2	I Cueto	7	6
		S Krivencheva	1	2				6	S Goleš	6	6
		P Thorén	1	4					I Budařová	2	2
		I Budařová	6	6											6	S Goleš	1	5
		K Kschwendt	1	7	6										2	I Cueto	6	7
		M Ekstrand	6	6	1				K Kschwendt	6	4	0
		E Pampoulova	2	4				2	I Cueto	2	6	6
	2	I Cueto	6	6

External links

• 1989 Vitosha New Otani Open Draw