Singles
1998 Shanghai Open
Final
Champion	Michael Chang[1]
Runner-up	Goran Ivanišević
Score	4–6, 6–1, 6–2
Events
Singles Doubles
← 1997 · Shanghai Open · 1999 →

The 1998 Shanghai Open was a men's tennis tournament played on indoor carpet in Shanghai, China that was part of the International Series of the 1998 ATP Tour. It was the third edition of the tournament and was held from 5 October – 12 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	Goran Ivanišević	5	6	7
	6	Ramón Delgado	7	3	5
								1	Goran Ivanišević	6	1	2
								2	Michael Chang	4	6	6
	5	Paul Haarhuis	5	3
	2	Michael Chang	7	6

	First round							Second round							Quarterfinals							Semifinals
	1	G Ivanišević	6	7
		B Steven	4	68				1	G Ivanišević	6	6
		J Gimelstob	6	6					J Gimelstob	1	4
		D van Scheppingen	3	2											1	G Ivanišević	6	7
		S Campbell	6	6											7	K Carlsen	3	62
		TJ Middleton	4	3					S Campbell	3	6	3
	7	K Carlsen	7	6				7	K Carlsen	6	3	6
		M Sinner	5	4																		1	G Ivanišević	5	6	7
	3	J-M Gambill	6	6																		6	R Delgado	7	3	5
		Y Zhang	4	3				3	J-M Gambill	0	R
		M Tebbutt	6	62	6				M Tebbutt	5
		S Schalken	4	7	4											M Tebbutt	4	7	3
		L Paes	6	7											6	R Delgado	6	66	6
		J van Lottum	3	66					L Paes	6	3	5
	6	R Delgado	6	3	6			6	R Delgado	2	6	7
		D Nestor	4	6	2

	First round							Second round							Quarterfinals							Semifinals
	5	P Haarhuis	6	6
		Ó Burrieza	3	4				5	P Haarhuis	6	6
		K Braasch	7	6					K Braasch	0	3
		M Kohlmann	66	4											5	P Haarhuis	7	7
		M Woodforde	7	6												M Woodforde	67	64
		W Black	61	4					M Woodforde	6	6
		S Sargsian	6	6					S Sargsian	2	2
	4	M Tillström	3	3																		5	P Haarhuis	5	3
	8	T Woodbridge	1	6	7																	2	M Chang	7	6
		J Courier	6	3	66			8	T Woodbridge	6	3	6
		L Roux	6	6					L Roux	2	6	2
		Y Zheng	2	1											8	T Woodbridge	2	2
		L Tieleman	6	7											2	M Chang	6	6
		A Pavel	3	65					L Tieleman	3	3
	2	M Chang	6	7				2	M Chang	6	6
		S Lareau	3	64