1998 Advanta Championships of Philadelphia – Singles

Singles
1998 Advanta Championships of Philadelphia
1997 Champion	Martina Hingis
Champion	Steffi Graf
Runner-up	Lindsay Davenport
Score	4–6, 6–3, 6–4

Martina Hingis was the defending champion but lost in the quarterfinals to Steffi Graf.

Graf won in the final 4–6, 6–3, 6–4 against Lindsay Davenport.

A champion seed is indicated in bold text while text in italics indicates the round in which that seed was eliminated. The top four seeds received a bye to the second round.

	Final
	1	Lindsay Davenport	6	3	4
		Steffi Graf	4	6	6

	First round							Second round							Quarterfinals							Semifinals
								1	L Davenport	6	6
		C Morariu	1	3					K Po	1	2
		K Po	6	6											1	L Davenport	5	6	6
		I Majoli	6	2	4										Q	A Frazier	7	3	3
	Q	A Frazier	2	6	6			Q	A Frazier	6	6
	WC	S Farina	6	6	4			7	P Schnyder	3	1
	7	P Schnyder	7	4	6																	1	L Davenport	6	6
																						5	M Seles	3	3
								3	J Novotná	4	4
		N Zvereva	6	6					N Zvereva	6	6
	WC	T Snyder	2	1												N Zvereva	0	1
		M Vento	1	2											5	M Seles	6	6
		A Sugiyama	6	6					A Sugiyama	3	5
		I Spîrlea	3	4				5	M Seles	6	7
	5	M Seles	6	6

	First round							Second round							Quarterfinals							Semifinals
	6	N Tauziat	6	6
		A Huber	3	2				6	N Tauziat	6	7
		L Raymond	6	6					L Raymond	2	6
	Q	E Callens	3	3											6	N Tauziat	6	4	6
	Q	S Cacic	2	0												A Coetzer	3	6	4
		A Coetzer	6	6					A Coetzer	6	6
								4	A Sánchez-Vicario	4	1
																						6	N Tauziat	1	4
	8	S Testud	6	7	0/r																		S Graf	6	6
		E Likhovtseva	7	6	1				E Likhovtseva	7	2	4
		S Graf	6	7					S Graf	6	6	6
	WC	M J Fernández	3	6												S Graf	6	4	6
	Q	B Rippner	7	6											2	M Hingis	2	6	0
		A Fusai	6	2				Q	B Rippner	4	1
								2	M Hingis	6	6

• 1998 Advanta Championships of Philadelphia Draw