Men's singles
1998 Pilot Pen International
Final
Champion	Karol Kučera[1]
Runner-up	Goran Ivanišević
Score	6–4, 5–7, 6–2
Details
Draw	56
Seeds	16
Events
Singles men women Doubles men women
← 1997 · Pilot Pen International

The 1998 Pilot Pen International was a tennis tournament played on outdoor hard courts at the Cullman-Heyman Tennis Center in New Haven, Connecticut, in the United States that was part of the International Series Gold of the 1998 ATP Tour and of Tier II of the 1998 WTA Tour. The men's tournament was held from August 17 through August 23, 1998, while the women's tournament was held from August 24 through August 30, 1998.

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

	Semifinals							Final[1]
	8	Goran Ivanišević	6	6
	5	Yevgeny Kafelnikov	3	4
								8	Goran Ivanišević	4	7	2
								7	Karol Kučera	6	5	6
	4	Richard Krajicek	6	4
	7	Karol Kučera	7	6

	First round							Second round							Third round							Quarterfinals
								1	P Sampras	6	7
		L Hewitt	6	6					L Hewitt	1	6
		S Sargsian	3	4											1	P Sampras	3	4
		S Bruguera	7	3	6											L Paes	6	6
		P McEnroe	6	6	3				S Bruguera	1	2
		L Paes	6	6					L Paes	6	6
	15	M Rosset	3	0																			L Paes	2	4
	10	N Kiefer	6	6																		8	G Ivanišević	6	6
		L Burgsmüller	3	3				10	N Kiefer	6	7
		M Woodforde	6	7					M Woodforde	0	5
		M Safin	4	5											10	N Kiefer	3	5
		G Grant	6	6											8	G Ivanišević	6	7
		C Doseděl	2	3					G Grant	3	6	3
								8	G Ivanišević	6	3	6

	First round							Second round							Third round							Quarterfinals
								3	P Korda	6	3	6
		A Medvedev	7	6					A Medvedev	3	6	1
		E Erlich	6	3											3	P Korda	6	3
		K Carlsen	7	6											13	B Ulihrach	7	6
		D Prinosil	6	4					K Carlsen	6	4	4
	13	B Ulihrach	6	6				13	B Ulihrach	3	6	6
		J Sánchez	1	1																		13	B Ulihrach	6	3	3
	11	G Kuerten	6	6																		5	Y Kafelnikov	4	6	6
		M Puerta	3	4				11	G Kuerten	6	6
		A O'Brien	6	6					A O'Brien	3	2
		M Mirnyi	3	4											11	G Kuerten	4	4
		T Woodbridge	3	6	6										5	Y Kafelnikov	6	6
		M-K Goellner	6	4	3				T Woodbridge	0	2
								5	Y Kafelnikov	6	6

	First round							Second round							Third round							Quarterfinals
								6	T Henman	6	6
		V Santopadre	6	6					V Santopadre	2	3
		A Rădulescu	2	3											6	T Henman	4	6	6
		D Sanguinetti	6	7												D Sanguinetti	6	3	3
		J Stark	4	5					D Sanguinetti	6	6	7
	12	F Santoro	1	6	6			12	F Santoro	1	7	5
		L Arnold	6	3	1																	6	T Henman	7	2	6
		R Schüttler	4	6	6																	4	R Krajicek	5	6	7
	14	N Escudé	6	4	3				R Schüttler	3	3
		H Levy	7	6					H Levy	6	6
		G Cañas	5	3												H Levy	2	4
		M Washington	6	6											4	R Krajicek	6	6
		S Lareau	4	4					M Washington	5	4
								4	R Krajicek	7	6

	First round							Second round							Third round							Quarterfinals
								7	K Kučera	6	6
		H Gumy	5						H Gumy	3	3
		D Vacek	3r												7	K Kučera	6	7
		D van Scheppingen	6												9	J Siemerink	4	5
		I Heuberger	4r						D van Scheppingen	3	3
	9	J Siemerink	6	6				9	J Siemerink	6	6
		N Lapentti	4	3																		7	K Kučera	3	6	6
	16	G Raoux	7	6																		16	G Raoux	6	3	1
		J Gimelstob	6	4				16	G Raoux	6	6
		J van Lottum	6	6					J van Lottum	3	4
		J Alonso	4	2											16	G Raoux	7	6
		J Tarango	6	6											2	P Rafter	6	3
		L Roux	2	2					J Tarango	2	1
								2	P Rafter	6	6

• ATP main draw