1991 Italian Open – Men's singles

Emilio Sánchez won the men's singles tennis title at the 1991 Italian Open after Alberto Mancini retired from the final, with the scoreline at 6–3, 6–1, 3–0.^[1]

Men's singles
1991 Italian Open
Champion	Emilio Sánchez
Runner-up	Alberto Mancini
Score	6–3, 6–1, 3–0 ret.
Draw	64
Seeds	16

Main article: 1991 Italian Open (tennis)

Thomas Muster was the defending champion, but lost to Goran Prpić in the third round.

Seeds

1. Boris Becker (withdrew)^[2]
2. Andre Agassi (first round)
3. Pete Sampras (second round)
4. Goran Ivanišević (first round)
5. Sergi Bruguera (semifinals)
6. Jim Courier (third round)
7. Jonas Svensson (second round)
8. Brad Gilbert (first round)
9. Emilio Sánchez (champion)
10. Michael Stich (first round)
11. Andrei Cherkasov (quarterfinals)
12. Guillermo Pérez Roldán (first round)
13. Jakob Hlasek (second round)
14. Magnus Gustafsson (second round)
15. Alexander Volkov (second round)
16. Karel Nováček (first round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• ITF = ITF entry
• PR = Protected ranking
• SR = Special ranking
• SE = Special exempt
• JE = Junior exempt
• JR = Junior Accelerator Programme entrant
• CO = College Accelerator Programme entrant
• NG = Next Gen Accelerator Program entrant
• w/o = Walkover
• r = Retired
• d = Defaulted

Finals

	Quarterfinals							Semifinals							Final
		Richard Fromberg	2	2
	9	Emilio Sánchez	6	6
								9	Emilio Sánchez	6	6
									Goran Prpić	4	2
		Goran Prpić	77	7
	11	Andrei Cherkasov	63	5
															9	Emilio Sánchez	6	6	3
															Q	Alberto Mancini	3	1	0r
	5	Sergi Bruguera	6	77
		Fabrice Santoro	4	61
								5	Sergi Bruguera	3	1
								Q	Alberto Mancini	6	6
	Q	Alberto Mancini	6	6
		Horacio de la Peña	4	2

Section 1

	First round							Second round							Third round							Quarterfinals
	LL	C Pioline	7	6
		M Rosset	5	3				LL	C Pioline	4	5
		M Jaite	6	5	64				C Caratti	6	7
		C Caratti	4	7	77											C Caratti	5	0
		R Fromberg	4	77	6											R Fromberg	7	6
		P McEnroe	6	65	2				R Fromberg	7	6
		J Siemerink	77	3	2			15	A Volkov	5	3
	15	A Volkov	63	6	6																		R Fromberg	2	2
	9	E Sánchez	6	6																		9	E Sánchez	6	6
		T Woodbridge	1	1				9	E Sánchez	6	6
		H Skoff	6	6					H Skoff	4	3
		L Mattar	1	1											9	E Sánchez	6	6
	Q	W Ferreira	6	2	6										Q	W Ferreira	2	2
		T Carbonell	4	6	4			Q	W Ferreira	77	6
		M Woodforde	3	6	6				M Woodforde	62	4
	8	B Gilbert	6	2	4

Section 2

	First round							Second round							Third round							Quarterfinals
	4	G Ivanišević	6	5	3
		P Haarhuis	3	7	6				P Haarhuis	4	2
		T Muster	6	6					T Muster	6	6
		A Mansdorf	4	2												T Muster	6	3	2
		M Filippini	0	6	1											G Prpić	3	6	6
		G Prpić	6	2	6				G Prpić	6	7
	WC	P Canè	6	2	4			13	J Hlasek	1	5
	13	J Hlasek	3	6	6																		G Prpić	77	7
	11	A Cherkasov	6	6																		11	A Cherkasov	63	5
		A Antonitsch	2	4				11	A Cherkasov	63	6	77
	WC	S Pescosolido	6	6				WC	S Pescosolido	77	2	64
	Q	R Krajicek	1	2											11	A Cherkasov	4	6	6
		O Camporese	5	6	4										6	J Courier	6	1	2
		N Kulti	7	4	6				N Kulti	0	3
		J Arrese	4	6	3			6	J Courier	6	6
	6	J Courier	6	4	6

Section 3

	First round							Second round							Third round							Quarterfinals
	5	S Bruguera	3	6	77
	Q	C Costa	6	2	65			5	S Bruguera	6	6
	WC	Y Noah	6	6				WC	Y Noah	1	3
		A Mronz	1	3											5	S Bruguera	6	6
	WC	C Pistolesi	6	65	64										Q	C Miniussi	1	2
		A Krickstein	4	77	77				A Krickstein	2	4
	Q	C Miniussi	66	6	6			Q	C Miniussi	6	6
	12	G Pérez Roldán	78	4	1																	5	S Bruguera	6	77
	14	M Gustafsson	78	6																			F Santoro	4	61
		M Wilander	66	1				14	M Gustafsson	0	3
		H Leconte	6	4	6				H Leconte	6	6
	Q	F Fontang	2	6	2											H Leconte	4	7	65
		F Santoro	6	6												F Santoro	6	5	77
		M Larsson	4	1					F Santoro	6	4	7
	Q	V Gabrichidze	62	6	2			3	P Sampras	2	6	5
	3	P Sampras	77	4	6

Section 4

	First round							Second round							Third round							Quarterfinals
	7	J Svensson	6	3	6
		F Davín	4	6	4			7	J Svensson	6	5	5
		R Agénor	4	4				Q	A Mancini	4	7	7
	Q	A Mancini	6	6											Q	A Mancini	6	4	77
		P Cash	6	4	1											M Koevermans	0	6	61
		J Aguilera	3	6	6				J Aguilera	2	2
		M Koevermans	4	6	6				M Koevermans	6	6
	10	M Stich	6	4	4																	Q	A Mancini	6	6
	16	K Nováček	0	3																			H de la Peña	4	2
	Q	M Cierro	6	6				Q	M Cierro	5	1
		P Lundgren	2	2					H de la Peña	7	6
		H de la Peña	6	6												H de la Peña	77	6
		R Furlan	6	6												E Jelen	62	1
		J Yzaga	4	0					R Furlan	6	3	66
		E Jelen	6	79					E Jelen	2	6	78
	2	A Agassi	3	67