Singles
1990 Mercedes Cup
Champion	Goran Ivanišević
Runner-up	Guillermo Pérez Roldán
Score	6–7(2–7), 6–1, 6–4, 7–6(7–5)
Draw	48 (3WC/5Q)
Seeds	16

Martín Jaite was the defending champion, but lost in the second round to Karel Nováček.

Goran Ivanišević won the title by defeating Guillermo Pérez Roldán 6–7^(2–7), 6–1, 6–4, 7–6^(7–5) in the final.^[1][2]

Seeds

All seeds received a bye into the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
	16	Horst Skoff	6	3	6
	9	Guillermo Pérez Roldán	2	6	7
								9	Guillermo Pérez Roldán	6	6	7
								12	Henri Leconte	7	3	6
		Andrei Cherkasov	6	4	4
	12	Henri Leconte	4	6	6
															9	Guillermo Pérez Roldán	77	1	4	65
															10	Goran Ivanišević	62	6	6	77
		Marcelo Filippini	6	2
	3	Emilio Sánchez	7	6
								3	Emilio Sánchez	4	4
								10	Goran Ivanišević	6	6
	10	Goran Ivanišević	6	6
	WC	Eric Jelen	2	3

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	A Gómez	7	6
		L Mattar	6	6	7				L Mattar	5	4
	WC	M Sinner	3	7	5										1	A Gómez	5	6	4
		J Arias	6	6											16	H Skoff	7	0	6
		A Mancini	4	3					J Arias	2	4
								16	H Skoff	6	6
																						16	H Skoff	6	3	6
																						9	G Pérez Roldán	2	6	7
								9	G Pérez Roldán	6	6
		U Riglewski	5	4					S Bruguera	2	4
		S Bruguera	7	6											9	G Pérez Roldán	6	6
		G Prpić	7	6												G Prpić	4	3
		F Clavet	6	5					G Prpić	6	7
								8	G Forget	2	6

Section 2

	First round							Second round							Third round							Quarterfinals
								4	M Jaite	5	7	1
		K Nováček	6	6					K Nováček	7	6	6
		J Bates	1	2												K Nováček	5	6	4
		A Cherkasov	6	5	6											A Cherkasov	7	3	6
		J Gunnarsson	2	7	4				A Cherkasov	7	6
								13	P Korda	6	1
																							A Cherkasov	6	4	4
																						12	H Leconte	4	6	6
								12	H Leconte	6	6
	Q	J Windahl	4					Q	J Windahl	4	2
		A Antonitsch	0r												12	H Leconte	7	6
		JP Fleurian	7	4	6										5	A Chesnokov	5	3
		J Yzaga	5	6	7				J Yzaga	3	3
								5	A Chesnokov	6	6

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								6	J Courier	2	4
		M Filippini	6	7					M Filippini	6	6
		R Agénor	4	6												M Filippini	6	6
		T Carbonell	2	7	6											T Carbonell	2	4
	Q	H Schwaier	6	6	3				T Carbonell	6	7
								11	CU Steeb	3	5
																							M Filippini	6	2
																						3	E Sánchez	7	6
								14	M Rosset	1	3
	Q	T Tulasne	6	2	5				R Fromberg	6	6
		R Fromberg	4	6	7											R Fromberg	3	6	2
		P Haarhuis	4	4											3	E Sánchez	6	2	6
		J Wöhrmann	6	6					J Wöhrmann	6	3	3
								3	E Sánchez	4	6	6

Section 4

	First round							Second round							Third round							Quarterfinals
								7	J Aguilera	6	5
		W Masur	6	6	6				W Masur	7	7
		J Arrese	7	4	3											W Masur	2	7	4
	Q	R Vogel	6	2											10	G Ivanišević	6	6	6
		J Sánchez	7	6					J Sánchez	2	3
								10	G Ivanišević	6	6
																						10	G Ivanišević	6	6
																						WC	E Jelen	2	3
								15	M Wilander	1	6	2
	WC	C Bergström	7	2	4				F Davín	6	4	6
		F Davín	5	6	6											F Davín	6	6	3
	WC	E Jelen	6	6	7										WC	E Jelen	4	7	6
	Q	O Delaître	7	1	5			WC	E Jelen	4	6	2
								2	T Muster	6	2	0r

References

External links

• Official results archive (ATP)
• Official results archive (ITF)