Men's singles
1998 Compaq Grand Slam Cup
Final
Champion	Marcelo Ríos
Runner-up	Andre Agassi
Score	6–4, 2–6, 7–6(7–1), 5–7, 6–3
Events
Singles men women Doubles men women
← 1997 · Grand Slam Cup · 1999 →

Marcelo Ríos won in the final 6–4, 2–6, 7–6^(7–1), 5–7, 6–3 againstAndre Agassi. It was Ríos' 6th title of the year and the 11th of his career.^[1][2][3]

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

1. Petr Korda(quarterfinals)
2. Marcelo Ríos(champion)
3. Mark Philippoussis(semifinals)
4. Goran Ivanišević(quarterfinals)

Key

	First round							Quarterfinals							Semifinals									Final
								1	Petr Korda	6	0	1
		Cédric Pioline	0	0				WC	Andre Agassi	4	6	6
	WC	Andre Agassi	6	6											WC	Andre Agassi	77	65	2	7	6
																Karol Kučera	61	77	6	5	0
								4	Goran Ivanišević	7	4	6
		Karol Kučera	6	6					Karol Kučera	5	6	8
	Alt	Hicham Arazi	4	4																				WC	Andre Agassi	4	6	61	7	3
		Tim Henman	5	3																				2	Marcelo Ríos	6	2	77	5	6
	Alt	Jonas Björkman	7	6				Alt	Jonas Björkman	6	61	1
								3	Mark Philippoussis	4	77	6
															3	Mark Philippoussis	64	3	4
	Alt	Nicolas Escudé	3	3											2	Marcelo Ríos	77	6	6
	Alt	Félix Mantilla	6	6				Alt	Félix Mantilla	62	5
								2	Marcelo Ríos	77	7

• Official results archive (ATP)
• Official results archive (ITF)

• Grand Slam Cup
• 1998 ATP Tour

• CS1 German-language sources (de)
• CS1 Portuguese-language sources (pt)
• Pages using infobox tennis tournament year color with the default color
• Pages using infobox tennis tournament year footer with an unknown event
• Articles with short description
• Short description matches Wikidata