Singles
1991 Mercedes Cup
Champion	Michael Stich
Runner-up	Alberto Mancini
Score	1–6, 7–6(11–9), 6–4, 6–2
Draw	48 (4WC/6Q/1LL)
Seeds	16

Goran Ivanišević was the defending champion, but lost in the second round to Andrés Gómez.

Michael Stich won the title by defeating Alberto Mancini 1–6, 7–6^(11–9), 6–4, 6–2 in the final.^[1]

Seeds

All seeds received a bye to the second round.

Draw

Finals

	Quarterfinals							Semifinals							Final
	1	Michael Stich	6	3	77
		Richard Krajicek	4	6	62
								1	Michael Stich	6	6
									Francisco Clavet	4	2
		Francisco Clavet	6	63	6
	Q	Cédric Pioline	3	77	1
															1	Michael Stich	1	711	6	6
																Alberto Mancini	6	69	4	2
		Alberto Mancini	6	6
	Q	Germán López	3	3
									Alberto Mancini	4	6	6
								Q	Lars Koslowski	6	1	3
	7	Goran Prpić	2	6	5
	Q	Lars Koslowski	6	2	7

Top half

Section 1

	First round							Second round							Third round							Quarterfinals
								1	M Stich	6	77
	WC	U Riglewski	0	1					F Santoro	3	63
		F Santoro	6	6											1	M Stich	6	6
		M Larsson	3	0												J Sánchez	3	3
		J Sánchez	6	6					J Sánchez	4	6	6
								16	J Arrese	6	1	4
																						1	M Stich	6	3	77
																							R Krajicek	4	6	62
								9	H Skoff	6	6
		K Curren	4	4					H de la Peña	0	3
		H de la Peña	6	6											9	H Skoff	3	4
		F Davín	2	4												R Krajicek	6	6
		R Krajicek	6	6					R Krajicek	77	5	77
								8	M Gustafsson	62	7	60

Section 2

	First round							Second round							Third round							Quarterfinals
								4	G Ivanišević	6	3	63
		R Furlan	6	2	1				A Gómez	4	6	77
		A Gómez	4	6	6											A Gómez	3	3
		T Muster	1	3												F Clavet	6	6
		F Clavet	6	6					F Clavet	7	6
								13	O Camporese	5	0
																							F Clavet	6	63	6
																						Q	C Pioline	3	77	1
								12	A Volkov	6	6
	Q	J Wöhrmann	77	4	6			Q	J Wöhrmann	2	3
		J Siemerink	64	6	3										12	A Volkov	2	6	3
	Q	C Pioline	6	6											Q	C Pioline	6	4	6
	WC	Y Noah	3	2				Q	C Pioline	6	1	6
								6	K Nováček	1	6	3

Bottom half

Section 3

	First round							Second round							Third round							Quarterfinals
								5	A Cherkasov	6	4	2
		A Mancini	6	6					A Mancini	4	6	6
		P Haarhuis	4	2												A Mancini	7	6
		M Koevermans	3	77	0										11	G Pérez Roldán	5	2
	Q	C Costa	6	61	6			Q	C Costa	3	2
								11	G Pérez Roldán	6	6
																							A Mancini	6	6
																						Q	G López	3	3
								14	R Agénor	6	3	6
	Q	M Naewie	2	4					M Rosset	1	6	3
		M Rosset	6	6											14	R Agénor	2	3
	Q	G López	65	6	6										Q	G López	6	6
	WC	T Champion	77	3	2			Q	G López	77	713
								3	E Sánchez	64	611

Section 4

	First round							Second round							Third round							Quarterfinals
								7	G Prpić	77	6
		M Filippini	6	4	7				M Filippini	63	2
		N Kulti	2	6	5										7	G Prpić	6	2	6
		E Jelen	0	6	6											E Jelen	3	6	2
	WC	CU Steeb	6	3	2				E Jelen	77	6
								10	J Svensson	63	1
																						7	G Prpić	2	6	5
																						Q	L Koslowski	6	2	7
								15	M Jaite	3	4
	LL	F Roig	60	62				Q	L Koslowski	6	6
	Q	L Koslowski	77	77											Q	L Koslowski	77	711
		M Vajda	6	3	3										2	G Forget	65	69
		W Masur	4	6	6				W Masur	7	63	67
								2	G Forget	5	77	79

References

External links

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