Women's singles
1998 Pilot Pen International
Final
Champion	Steffi Graf
Runner-up	Jana Novotná
Score	6–4, 6–1
Events
Singles men women Doubles men women
← 1997 · Pilot Pen International · 1999 →

Lindsay Davenport was the defending champion but lost in the semifinals to Steffi Graf.

Graf won in the final 6–4, 6–1 against Jana Novotná.

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
	WC/4	Steffi Graf	6	6
	2	Jana Novotná	4	1

	First round							Second round							Quarterfinals							Semifinals
								1	L Davenport	w/o
	Q	A Miller	2	6	2			Q	V Ruano Pascual
	Q	V Ruano Pascual	6	3	6										1	L Davenport	6	6
		S Farina	2	3												A Huber	3	3
		A Huber	6	6					A Huber	7	7
	Q	R Grande	4	3				6	P Schnyder	5	6
	6	P Schnyder	6	6																		1	L Davenport	3	6
																						WC/4	S Graf	6	7
								WC/4	S Graf	6	6
		H Nagyová	6	6					H Nagyová	1	3
		M Vento	3	2											WC/4	S Graf	6	6
		B Schett	3	2											7	A Coetzer	3	0
		A Kournikova	6	6					A Kournikova	6	4	5
		M Serna	6	3				7	A Coetzer	1	6	7
	7	A Coetzer	7	6

	First round							Second round							Quarterfinals							Semifinals
	8	D Van Roost	6	0	1
	WC	M J Fernández	3	6	6			WC	M J Fernández	6	4	6
		S Testud	6	6					S Testud	3	6	4
		R Dragomir	4	1											WC	M J Fernández	5	1
		N Sawamatsu	6	3	5											J Halard-Decugis	7	6
		J Halard-Decugis	3	6	7				J Halard-Decugis	7	6
								3	A Sánchez-Vicario	6	2
																							J Halard-Decugis	4	4
	5	N Tauziat	6	0																		2	J Novotná	6	6
		A Mauresmo	7	6					A Mauresmo	6	6
		J Kruger	4	6	6			Q	A Dechaume-Balleret	4	1
	Q	A Dechaume-Balleret	6	3	7											A Mauresmo	1	6
	WC	C Rubin	3	6	6										2	J Novotná	6	7
		E Likhovtseva	6	3	1			WC	C Rubin	1	5
								2	J Novotná	6	7

• 1998 Pilot Pen International Draw