Singles
1998 Singapore Open
Final
Champion	Marcelo Ríos[1]
Runner-up	Mark Woodforde
Score	6–4, 6–2
Details
Draw	32
Seeds	8
Events
Singles Doubles
← 1997 · Singapore Open · 1999 →

The1998 Singapore Open was a men'stennis tournament played on IndoorHard inSingapore, Singapore that was part of theChampionship Series of the1998 ATP Tour. It was the seventh edition of the tournament and was held from 12 October – 18 October.

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

	Semifinals							Final[1]
	1	Marcelo Ríos	6	6
		Jim Courier	2	1
								1	Marcelo Ríos	6	6
									Mark Woodforde	4	2
		Sjeng Schalken	6	4	2
		Mark Woodforde	0	6	6

	First round							Second round							Quarterfinals							Semifinals
	1	M Ríos	6	6
		S Lareau	2	0				1	M Ríos	6	6
		A Pavel	7	6					A Pavel	2	4
		D van Scheppingen	63	4											1	M Ríos	5	6	6
		L Hewitt	6	7												L Hewitt	7	3	4
		L Roux	2	66					L Hewitt	66	6	7
		J Gimelstob	6	6					J Gimelstob	7	2	64
	8	R Delgado	4	4																		1	M Ríos	6	6
	4	J-M Gambill	6	6																			J Courier	2	1
		J Stark	1	2				4	J-M Gambill	w/o
		B Steven	6	6					B Steven
		C Vinck	3	4											4	J-M Gambill	4	4
		J Courier	6	6												J Courier	6	6
		D Nestor	3	2					J Courier	6	2	7
	6	M Tillström	6	6				6	M Tillström	4	6	63
		M Bhupathi	1	3

	First round							Second round							Quarterfinals							Semifinals
		S Schalken	6	6
	5	A Ilie	4	2					S Schalken	7	6
		T Woodbridge	7	65	6				T Woodbridge	63	4
		S Sargsian	64	7	4											S Schalken	3	6	6
		J van Lottum	7	6												J van Lottum	6	3	4
		W Black	5	2					J van Lottum	6	6
		M Kohlmann	2	6	6				M Kohlmann	4	2
	3	M Chang	6	3	4																		S Schalken	6	4	2
		K Carlsen	0	6	6																		M Woodforde	0	6	6
	7	P Haarhuis	6	3	4				K Carlsen	6	6
		M Damm	7	6					M Damm	1	1
		L Paes	5	1												K Carlsen	6	2	3
		M Woodforde	7	6												M Woodforde	4	6	6
		M Ondruska	64	2					M Woodforde	6	7
	2	G Ivanišević	6	6				2	G Ivanišević	4	64
		S Campbell	2	1

• 1998 ATP Tour
• Singapore Open (men's tennis)

• Pages using infobox tennis tournament year footer with an unknown event
• Articles with short description
• Short description matches Wikidata