1991 U.S. Pro Indoor – Singles

Singles
1991 U.S. Pro Indoor
Champion	Ivan Lendl
Runner-up	Pete Sampras
Score	5–7, 6–4, 6–4, 3–6, 6–3
Seeds	16

Main article: 1991 U.S. Pro Indoor

Pete Sampras was the defending champion.

Ivan Lendl won the title, defeating Sampras, 5–7, 6–4, 6–4, 3–6, 6–3 in the final.

Seeds

1. Ivan Lendl (Champion)
2. Pete Sampras (Final)
3. Brad Gilbert (Semifinals)
4. John McEnroe (Semifinals)
5. Jay Berger (Second Round)
6. Jim Courier (Second Round)
7. Michael Stich (Quarterfinals)
8. Tim Mayotte (Second Round)
9. Petr Korda (Quarterfinals)
10. Derrick Rostagno (Second Round)
11. Darren Cahill (Third Round)
12. Mark Koevermans (Second Round)
13. Wally Masur (Third Round)
14. Paul Haarhuis (Third Round)
15. Gary Muller (Third Round)
16. Patrick McEnroe (Second Round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Finals

	Semifinals							Final
	1	Ivan Lendl	6	3	6
	3	Brad Gilbert	4	6	4
								1	Ivan Lendl	5	6	6	3	6
								2	Pete Sampras	7	4	4	6	3
	4/WC	John McEnroe	2	4
	2	Pete Sampras	6	6

Top Half

Section 1

	First Round							Second Round							Third Round							Quarterfinals
								1	I Lendl	6	7
	Q	D Goldie	4	67					G Raoux	1	5
		G Raoux	6	79											1	I Lendl	77	6
		R Furlan	4	7	6										15	G Muller	65	3
		V Paloheimo	6	5	4				R Furlan	77	3	4
								15	G Muller	65	6	6
																						1	I Lendl	6	79
																						7	M Stich	2	67
								10	D Rostagno	5	3
	Q	G Stafford	2	2				Q	C Adams	7	6
	Q	C Adams	6	6											Q	C Adams	4	4
	Q	J Tarango	5	4											7	M Stich	6	6
	WC	C Caratti	7	6				WC	C Caratti	2	4
								7	M Stich	6	6

Section 2

	First Round							Second Round							Third Round							Quarterfinals
								3	B Gilbert	6	6
		T Carbonell	6	6					T Carbonell	3	3
	WC	G Bloom	1	1											3	B Gilbert	77	6
		U Riglewski	6	63	6										14	P Haarhuis	63	1
	Q	G Layendecker	3	77	0				U Riglewski	1	3
								14	P Haarhuis	6	6
																						3	B Gilbert	4	6	6
																							K Curren	6	3	0
								11	D Cahill	6	6
		T Högstedt	6	6					T Högstedt	4	2
		R Krishnan	3	1											11	D Cahill	79	3	62
		M Kratzmann	3	77	4											K Curren	67	6	77
		K Curren	6	64	6				K Curren	6	6
								5	J Berger	1	2

Bottom Half

Section 3

	First Round							Second Round							Third Round							Quarterfinals
								6	J Courier	2	4
		J Grabb	6	6					J Grabb	6	6
		P Kühnen	4	4												J Grabb	77	1	3
		A Rahunen	713	7												A Rahunen	63	6	6
		G Connell	611	5					A Rahunen	6	6
								12	M Koevermans	1	2
																							A Rahunen	5	3
																						4/WC	J McEnroe	7	6
								13	W Masur	4	77	77
		C van Rensburg	6	6					C van Rensburg	6	61	65
		B Pearce	2	1											13	W Masur	62	4
		A Mronz	6	6											4/WC	J McEnroe	77	6
		H de la Peña	2	2					A Mronz	1	2
								4/WC	J McEnroe	6	6

Section 4

	First Round							Second Round							Third Round							Quarterfinals
								8	T Mayotte	4	2
		J-P Fleurian	5	4				Q	W Ferreira	6	6
	Q	W Ferreira	7	6											Q	W Ferreira	5	63
		J Yzaga	6	6											9	P Korda	7	77
		A Järryd	3	3					J Yzaga	4	3
								9	P Korda	6	6
																						9	P Korda	4	0
																						2	P Sampras	6	6
								16/WC	P McEnroe	0	3
		A Antonitsch	61	6	0				M Washington	6	6
		M Washington	77	4	6											M Washington	3	67
		M Šrejber	6	62	6										2	P Sampras	6	79
		S Davis	4	77	3				M Šrejber	2	5
								2	P Sampras	6	7

References

• Main Draw