Singles
1998 Croatian Bol Ladies Open
Final
Champion	Mirjana Lučić
Runner-up	Corina Morariu
Score	6–2, 6–4
Details
Draw	32 (4 Q / 2 WC )
Seeds	8
Events
Singles Doubles
← 1997 · Croatian Bol Ladies Open · 1999 →

The singles division of the 1998 Croatian Bol Ladies Open was played on outdoor clay courts in Bol, Croatia as part of Tier IV of the 1998 WTA Tour. Mirjana Lučić was the defending champion and won in the final 6–2, 6–4 against Corina Morariu.

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	J Kruger	6	6
	Q	I Selyutina	3	4				1	J Kruger	6	6
		A Mauresmo	6	7					A Mauresmo	4	1
	LL	N Vaidyanathan	1	5											1	J Kruger	4	6	6
		K Studeníková	6	4	1										Q	R Sandu	6	3	2
	Q	R Sandu	3	6	6			Q	R Sandu	6	7
		P Suárez	4	6	7				P Suárez	2	6
	6	G León García	6	3	5																	1	J Kruger	2	1
	4	M Lučić	6	3	7																	4	M Lučić	6	6
		K Brandi	2	6	6			4	M Lučić	6	6
	WC	D Krstulović	4	2				Q	C Black	2	0
	Q	C Black	6	6											4	M Lučić	6	6
		D Chládková	3	6												M Díaz Oliva	2	3
		M Díaz Oliva	6	7					M Díaz Oliva	7	6
		L Golarsa	3	1				8	S Kleinová	6	1
	8	S Kleinová	6	6																									4	Mirjana Lučić	6	6
	7	M Sánchez Lorenzo	2	4																									5	Corina Morariu	2	4
		T Panova	6	6					T Panova	4	0
		L Ghirardi	7	5	6				L Ghirardi	6	6
	WC	J Kostanić	5	7	4											L Ghirardi	5	2
	Q	S Talaja	1	6	6										Q	S Talaja	7	6
		S Plischke	6	2	2			Q	S Talaja	6	6
		T Križan	6	6					T Križan	2	2
	3	F Li	4	1																		Q	S Talaja	6	4	3
	5	C Morariu	6	6																		5	C Morariu	4	6	6
		C Torrens Valero	4	4				5	C Morariu	6	6
		L Němečková	2	3					Y Yoshida	2	4
		Y Yoshida	6	6											5	C Morariu	6	6
		N Miyagi	1	7	1											S Cecchini	3	1
		S Cecchini	6	6	6				S Cecchini	5
		F Lubiani	2	6				2	M J Fernández	2	r
	2	M J Fernández	6	7

• 1998 Croatian Bol Ladies Open Draw