1973 U.S. Professional Indoor – Singles

Singles
1973 U.S. Professional Indoor
Final
Champion	Stan Smith
Runner-up	Robert Lutz
Score	7–6(7–2), 7–6(7–5), 4–6, 6–4
Details
Draw	32
Seeds	12
Events
Singles Doubles
← 1972 · U.S. Professional Indoor · 1974 →

Rod Laver was the defending champion, but lost in the quarterfinals this year.

Stan Smith won the title, defeating Robert Lutz 7–6^(7–2), 7–6^(7–5), 4–6, 6–4 in the final.

	Semifinals									Final
		Nikola Pilić	4	4	7	3
	7	Robert Lutz	6	6	5	6
										7	Robert Lutz	62	65	6	4
										3	Stan Smith	77	77	4	6
	3	Stan Smith	6	6	6
		Robert Maud	1	3	4

	First round							Second round							Quarterfinals							Semifinals
	2	C Dibley	6	3	6
		T Addison	3	6	3			2	C Dibley	66	6	6
		F McMillan	w/o						F McMillan	78	1	1
		C Drysdale													2	C Dibley	77	2	61
	6	R Emerson	6	6												N Pilić	62	6	77
		JE Mandarino	4	0				6	R Emerson	63	66
		B Phillips-Moore	1	3					N Pilić	77	78
		N Pilić	6	6																			N Pilić	4	4	7	3
	4	D Stockton	77	6																		7	R Lutz	6	6	5	6
		G Battrick	63	4				4	D Stockton	6	6
		M Holeček	5	4				11	H Solomon	3	2
	11	H Solomon	7	6											4	D Stockton	6	63	2
	7	R Lutz	77	6											7	R Lutz	4	77	6
		B Gottfried	62	3				7	R Lutz	6	4	6
		O Parun	6	1	78				O Parun	4	6	4
	9	A Stone	3	6	66

	First round							Second round							Quarterfinals							Semifinals
	12	T Edlefsen	61	7	68
		J Fillol	77	5	710				J Fillol	6	65	4
		P Cornejo	4	0				8	C Richey	3	77	6
	8	C Richey	6	6											8	C Richey	0	3
	10	P Dent	77	6											3	S Smith	6	6
		J McManus	63	3				10	P Dent	3	3
		R Barth	2	4				3	S Smith	6	6
	3	S Smith	6	6																		3	S Smith	6	6	6
		A Pattison	w/o																				R Maud	1	3	4
		B Hewitt							A Pattison	2	3
		R Maud	77	4	6				R Maud	6	6
	5	J Alexander	64	6	1											R Maud	6	4	78
		C Pasarell	77	6											1	R Laver	4	6	66
		F Froehling	62	2					C Pasarell	7	4	3
		ON Bengtson	5	1				1	R Laver	5	6	6
	1	R Laver	7	6

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