Singles
1989 Porsche Tennis Grand Prix
Champion	Gabriela Sabatini
Runner-up	Mary Joe Fernández
Score	7–6(7–5), 6–4
Draw	32 (2WC/4Q)
Seeds	8

Martina Navratilova was the three-time defending champion, but did not compete this year.

Gabriela Sabatini won the title by defeating Mary Joe Fernández 7–6^(7–5), 6–4 in the final. As a result, Sabatini won a Porsche 944 S2 for winning the tournament.^[1]

Seeds

Draw

Finals

	Semifinals							Final
	1	Gabriela Sabatini	6	6
		Laura Gildemeister	1	2
								1	Gabriela Sabatini	77	6
								5	Mary Joe Fernández	65	4
	5	Mary Joe Fernández	3	6	7
	2	Zina Garrison	6	4	5

Top half

	First round							Second round							Quarterfinals							Semifinals
	1	G Sabatini	6	6
		N Tauziat	2	1				1	G Sabatini	6	6
	Q	E Derly	5	77	0				C Dahlman	2	0
		C Dahlman	7	64	6										1	G Sabatini	6	6
		C Tanvier	6	6											6	H Mandlikova	3	0
	WC	E Pfaff	0	1					C Tanvier	5	6	4
		K Quentrec	4	3				6	H Mandlikova	7	4	6
	6	H Mandlikova	6	6																		1	G Sabatini	6	6
	3	H Suková	3	2																			L Gildemeister	1	2
		R Zrubáková	6	6					R Zrubáková	77	2	6
		R Rajchrtová	7	1	2				R White	64	6	1
		R White	5	6	6											R Zrubáková	4	6	5
		M Paz	1	4												L Gildemeister	6	2	7
		J Wiesner	6	6					J Wiesner	2	6	5
		L Gildemeister	6	6					L Gildemeister	6	1	7
	8	B Paulus	4	2

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	5	MJ Fernández	6	6
	Q	P Etchemendy	4	2				5	MJ Fernández	6	6
		S Wasserman	6	6					S Wasserman	1	0
		P Tarabini	2	2											5	MJ Fernández	6	4	77
		S Hanika	6	4	77										4	M Seles	4	6	65
		L McNeil	2	6	64				S Hanika	3	4
		B Schultz	6	3	4			4	M Seles	6	6
	4	M Seles	4	6	6																	5	MJ Fernández	3	6	7
	7	R Reggi	6	6																		2	Z Garrison	6	4	5
	Q	W Probst	2	0				7	R Reggi	1	3
		G Fernández	6	6					G Fernández	6	6
		A Henricksson	3	3												G Fernández	4	2
	Q	D Van Rensburg	7	6											2	Z Garrison	6	6
	WC	C Porwik	5	3				Q	D Van Rensburg	6	1	1
		E Reinach	4	1				2	Z Garrison	2	6	6
	2	Z Garrison	6	6

References

External links

• Official results archive (ITF)
• Official results archive (WTA)