Singles
1991 U.S. Pro Indoor
Champion	Ivan Lendl
Runner-up	Pete Sampras
Score	5–7, 6–4, 6–4, 3–6, 6–3
Draw	48
Seeds	16

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.^[1]

Seeds

Draw

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

External links

• Main draw