Doubles
1998 St. Petersburg Open
Final
Champions	Nicklas Kulti Mikael Tillström
Runners-up	Marius Barnard Brent Haygarth
Score	3–6, 6–3, 7–6
Events
Singles Doubles
← 1997 · St. Petersburg Open · 1999 →

Andrei Olhovskiy and Brett Steven were the defending champions but did not compete that year.

Nicklas Kulti and Mikael Tillström won in the final 3–6, 6–3, 7–6 against Marius Barnard and Brent Haygarth.

	First round							Quarterfinals							Semifinals							Final
	1	M Damm D Vacek	6	6
		J-L de Jager R Koenig	7	7					J-L de Jager R Koenig	3	4
		G Grant M Merklein	4	6				Q	M Barnard B Haygarth	6	6
	Q	M Barnard B Haygarth	6	7											Q	M Barnard B Haygarth	7	6
		D Adams L Pimek	6	7												T Kempers M Oosting	5	4
		K Kinnear M Ondruska	1	6					D Adams L Pimek	6	6	6
		T.J. Middleton S Noteboom	2	4					T Kempers M Oosting	3	7	7
		T Kempers M Oosting	6	6																		Q	M Barnard B Haygarth	6	3	6
	WC	Ģ Dzelde A Tchernenko	7	6																		4	N Kulti M Tillström	3	6	7
		M Commandeur L Rehmann	6	2				WC	Ģ Dzelde A Tchernenko	5	0
		D Prinosil M Rosset	2	6	6			4	N Kulti M Tillström	7	6
	4	N Kulti M Tillström	6	3	7										4	N Kulti M Tillström	7	1	6
		C Brandi F Messori	3	5											WC	D Hrbatý T Johansson	5	6	3
	WC	D Hrbatý T Johansson	6	7				WC	D Hrbatý T Johansson	7	7
		D Sapsford C Wilkinson	7	7					D Sapsford C Wilkinson	5	6
	WC	O Delaître F Santoro	6	6

• 1998 St. Petersburg Open Doubles Draw