Singles
1998 Heineken Open
Final
Champion	Marcelo Ríos
Runner-up	Richard Fromberg
Score	4–6, 6–4, 7–6(7–3)
Details
Draw	32 (4 Q / 3 WC )
Seeds	8
Events
Singles Doubles
← 1997 · ATP Auckland Open · 1999 →

First-seeded Marcelo Ríos defeated Richard Fromberg 4–6, 6–4, 7–6^(7–3) to win the 1998 Heineken Open singles competition. Jonas Björkman was the champion but did not defend his title.

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	M Ríos	6	6
		N Lapentti	3	3				1	M Ríos	7	6
		F Meligeni	4	6	66			WC	M Nielsen	5	1
	WC	M Nielsen	6	1	78										1	M Ríos	5	6	6
		K Carlsen	6	6												K Carlsen	7	4	1
		J Viloca	2	3					K Carlsen	6	6
	WC	A Hunt	6	77				WC	A Hunt	1	3
	7	D Vacek	4	60																		1	M Ríos	6	6
	4	M Filippini	77	3	2																		B Black	1	3
		M Washington	61	6	6				M Washington	0	4
		B Black	6	6					B Black	6	6
		A Gaudenzi	1	3												B Black	6	2	7
	Q	C Vinck	6	77											Q	C Vinck	4	6	5
	Q	G Weiner	1	63				Q	C Vinck	4	6	6
	Q	B MacPhie	6	3	2			5	J Tarango	6	1	1
	5	J Tarango	3	6	6																								1	Marcelo Ríos	4	6	77
	6	B Steven	6	6																										Richard Fromberg	6	4	63
	WC	T Susnjak	1	2				6	B Steven	64	3
		R Fromberg	3						R Fromberg	77	6
		K Alami	0	R												R Fromberg	6	78
		M Damm	77	6											3	D Hrbatý	2	66
		C Ruud	65	3					M Damm	3	4
		R Reneberg	2	4				3	D Hrbatý	6	6
	3	D Hrbatý	6	6																			R Fromberg	6	710
	8	J Sánchez	6	7																		2	F Mantilla	3	68
		G Stafford	4	5				8	J Sánchez	0	1
		L Roux	6	2	3				C Costa	6	6
		C Costa	1	6	6											C Costa	2	3
	Q	M Sell	6	2	7										2	F Mantilla	6	6
		M Tillström	3	6	5			Q	M Sell	3	67
		J van Herck	63	3				2	F Mantilla	6	79
	2	F Mantilla	77	6

• ATP Singles draw
• ATP Singles Qualifying draw