Singles
1998 Croatian Indoors
Final
Champion	Goran Ivanišević
Runner-up	Greg Rusedski
Score	7–6(7–3), 7–6(7–5)
Details
Draw	32
Seeds	8
Events
Singles men women Doubles men women
← 1997 · Croatian Indoors · 1999 →

The 1998 Croatian Indoors was a men's tennis tournament played on indoor carpet courts in Split, Croatia, that was part of the International Series of the 1998 ATP Tour. It was the only edition of the tournament and was held 2–9 February 1998.

Champion seeds are indicated in bold text while text in italics indicates the round in which those seeds were eliminated.

	Semifinals							Final[1]
	1/WC	Greg Rusedski	63	77	77
	5	Marc Rosset	77	65	65
								1/WC	Greg Rusedski	63	65
								2	Goran Ivanišević	77	77
		Martin Sinner	3	63
	2	Goran Ivanišević	6	77

	First round							Second round							Quarterfinals							Semifinals
	1/WC	G Rusedski	6	6
		G Pozzi	3	4				1/WC	G Rusedski	6	6
		JA Marín	5	3					J Krošlák	4	3
		J Krošlák	7	6											1/WC	G Rusedski	6	6
		J Siemerink	77	6												M Damm	1	4
	Q	P Fredriksson	64	1					J Siemerink	4	3
		M Damm	6	77					M Damm	6	6
	8	J Sánchez	3	61																		1/WC	G Rusedski	63	77	77
	3/WC	T Henman	3	6	3																	5	M Rosset	77	65	65
		R Schüttler	6	1	6				R Schüttler	6	6
	Q	I Moldovan	4	4				Q	A Merinov	1	0
	Q	A Merinov	6	6												R Schüttler	2	2
		D Pescariu	4	4											5	M Rosset	6	6
		R Vašek	6	6					R Vašek	3	1
		R Furlan	6	2	3			5	M Rosset	6	6
	5	M Rosset	3	6	6

	First round							Second round							Quarterfinals							Semifinals
	6	T Johansson	65	4
		M Sinner	77	6					M Sinner	6	3	6
		A Rădulescu	6	4r					D Sanguinetti	2	6	3
		D Sanguinetti	1	4												M Sinner	5	6	77
		H Dreekmann	2	6	1											K Carlsen	7	3	60
		K Carlsen	6	3	6				K Carlsen	6	3	6
		Á Calatrava	77	69	3			4	A Medvedev	2	6	1
	4/WC	A Medvedev	65	711	6																		M Sinner	3	63
	7	J Novák	6	67	7																	2	G Ivanišević	6	77
		J Knippschild	3	79	5			7	J Novák	6	7
		E Benfele Álvarez	6	6					E Benfele Álvarez	1	5
		F Vicente	4	2											7	J Novák	65	69
	Q	F Bergh	3	65											2	G Ivanišević	77	711
		B Becker	6	77					B Becker	66	79	4
		D Prinosil	66	4				2	G Ivanišević	78	67	6
	2	G Ivanišević	78	6

Qualifying Draw