Singles
1972 U.S. Professional Indoor
Champion	Rod Laver
Runner-up	Ken Rosewall
Score	4–6, 6–2, 6–2, 6–2
Draw	32
Seeds	8

The 1972 U.S. Professional Indoor – singles was an event of the 1971 U.S. Professional Indoor men's tennis tournament played at the Spectrum in Philadelphia in the United States from February 8 through February 13, 1971. The draw comprised 32 players and 8 of them were seeded. John Newcombe was the defending singles champion but lost in the second round. First-seeded Rod Laver won the title, defeating second-seeded Ken Rosewall in the final, 4–6, 6–2, 6–2, 6–2.

Seeds

Draw

Finals

	Semifinals									Final
	2	Ken Rosewall	2	7	7	6
	3	Arthur Ashe	6	6	6	2
										2	Ken Rosewall	6	2	2	2
										1	Rod Laver	4	6	6	6
	4	Tom Okker	3	3	3
	1	Rod Laver	6	6	6

Top half

	First round							Second round							Quarterfinals							Semifinals
	2	Ken Rosewall	6	6
		Nikola Pilić	4	1				2	K Rosewall	6	6
		Roger Taylor	6	5	6				R Taylor	3	2
		Brian Fairlie	4	7	4										2	K Rosewall	6	6	6
		John Alexander	7	3	6										7	M Riessen	1	7	3
		Mark Cox	6	6	3				J Alexander	6	3	6
		Ray Ruffels	4	2				7	M Riessen	4	6	7
	7	Marty Riessen	6	6																		2	K Rosewall	2	7	7	6
	6	Cliff Drysdale	6	6																		3	A Ashe	6	6	6	2
		Owen Davidson	2	3				6	C Drysdale	6	6
		Charlie Pasarell	6	6	7				C Pasarell	4	2
		Fred Stolle	7	1	5										6	C Drysdale	6	2
		Ron Holmberg	6	6											3	A Ashe	7	6
		Bill Bowrey	2	3					R Holmberg	4	3
		Frank Froehling	6	1	4			3	A Ashe	6	6
	3	Arthur Ashe	3	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	4	Tom Okker	6	6
		Tom Leonard	2	4				4	T Okker	6	6
		Terry Addison	6	2	6				T Addison	1	4
		Ismail El Shafei	4	6	4										4	T Okker	7	6
		Jeff Borowiak	6	6												J Borowiak	5	3
		Roy Barth	2	2					J Borowiak	6	5	6
		Phil Dent	4	4				5	J Newcombe	1	7	4
	5	John Newcombe	6	6																		4	T Okker	3	3	3
	8	Bob Lutz	6	6																		1	R Laver	6	6	6
		Bob Carmichael	4	4				8	R Lutz	6	6
		Roy Emerson	6	6					R Emerson	3	2
		Graham Stilwell	4	2											8	R Lutz	6	1
		Tony Roche	6	6	6										1	R Laver	7	6
		Allan Stone	7	3	3				T Roche	1	6	2
		Robert Maud	3	2				1	R Laver	6	0	6
	1	Rod Laver	6	6

External links

• Main draw