Singles
1998 St. Petersburg Open
Champion	Richard Krajicek
Runner-up	Marc Rosset
Score	6–4, 7–6(7–5)
Draw	32
Seeds	8

Thomas Johansson was the defending champion but lost in the semifinal 6–4, 6–4 against Richard Krajicek.

Richard Krajicek won in the final 6–4, 7–6^(7–5) against Marc Rosset.

Seeds

Draw

Finals

	Semifinals							Final
	1	Richard Krajicek	6	6
	5	Thomas Johansson	4	4
								1	Richard Krajicek	6	77
								4	Marc Rosset	4	65
	4	Marc Rosset	6	6
	2	Cédric Pioline	1	4

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	R Krajicek	6	4	6
		J Krošlák	1	6	3			1	R Krajicek	62	6	6
		M Damm	6	2	66				D Prinosil	77	4	2
		D Prinosil	3	6	78										1	R Krajicek	77	6
		R Vašek	77	3	3										8	D Vacek	64	1
		J Knippschild	63	6	6				J Knippschild	2	1	r
		R Furlan	3	62				8	D Vacek	6	2
	8	D Vacek	6	77																		1	R Krajicek	6	6
	3	F Santoro	77	6																		5	T Johansson	4	4
		A Boetsch	64	3				3	F Santoro	6	7
	Q	J-F Bachelot	7	6				Q	J-F Bachelot	3	5
		D Pescariu	5	3											3	F Santoro	3	3
	Q	L Burgsmüller	2	4											5	T Johansson	6	6
		D Sanguinetti	6	6					D Sanguinetti	2	2
		G Pozzi	62	2				5	T Johansson	6	6
	5	T Johansson	77	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	D Hrbatý	6	6
		R Schüttler	3	4				6	D Hrbatý	6	6
	Q	N Kulti	6	2				Q	N Kulti	3	4
		G Schaller	2	0r											6	D Hrbatý	4	3
	Q	O Delaître	7	6											4	M Rosset	6	6
		J Golmard	5	1				Q	O Delaître	4	3
	WC	A Tchernenko	2	3				4	M Rosset	6	6
	4	M Rosset	6	6																		4	M Rosset	6	6
	7	M-K Goellner	6	7																		2	C Pioline	1	4
		JA Marín	4	5				7	M-K Goellner	4	4
	WC	K Ivanov-Smolensky	1	2					H Dreekmann	6	6
		H Dreekmann	6	6												H Dreekmann	6	3	5
		M Tillström	6	3	4										2	C Pioline	4	6	7
		J Van Herck	3	6	6				J Van Herck	3	4
		M Ondruska	5	2				2	C Pioline	6	6
	2	C Pioline	7	6

References

• 1998 St. Petersburg Open Draw
• 1998 St. Petersburg Open Qualifying Draw