1973 U.S. Professional Indoor – Singles

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

Singles
1973 U.S. Professional Indoor
Champion	Stan Smith
Runner-up	Robert Lutz
Final score	7–6^(7–2), 7–6^(7–5), 4–6, 6–4
Seeds	12

Main article: 1973 U.S. Professional Indoor

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

Seeds

1. Rod Laver (Quarterfinals)
2. Colin Dibley (Quarterfinals)
3. Stan Smith (Champion)
4. Dick Stockton (Quarterfinals)
5. John Alexander (First Round)
6. Roy Emerson (Second Round)
7. Robert Lutz (Final)
8. Cliff Richey (Quarterfinals)
9. Allan Stone (First Round)
10. Phil Dent (Second Round)
11. Harold Solomon (Second Round)
12. Tom Edlefsen (First 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

Finals

	Semifinals									Final
		Nikola Pilić	4	4	7	3
	7	Robert Lutz	6	6	5	6
										7	Robert Lutz	6^2	6^5	6	4
										3	Stan Smith	7^7	7^7	4	6
	3	Stan Smith	6	6	6
		Robert Maud	1	3	4

Top Half

	First Round							Second Round							Quarterfinals							Semifinals
	2	C Dibley	6	3	6
		T Addison	3	6	3			2	C Dibley	6^6	6	6
		F McMillan	w/o						F McMillan	7^8	1	1
		C Drysdale													2	C Dibley	7^7	2	6^1
	6	R Emerson	6	6												N Pilić	6^2	6	7^7
		JE Mandarino	4	0				6	R Emerson	6^3	6^6
		B Phillips-Moore	1	3					N Pilić	7^7	7^8
		N Pilić	6	6																			N Pilić	4	4	7	3
	4	D Stockton	7^7	6																		7	R Lutz	6	6	5	6
		G Battrick	6^3	4				4	D Stockton	6	6
		M Holeček	5	4				11	H Solomon	3	2
	11	H Solomon	7	6											4	D Stockton	6	6^3	2
	7	R Lutz	7^7	6											7	R Lutz	4	7^7	6
		B Gottfried	6^2	3				7	R Lutz	6	4	6
		O Parun	6	1	7^8				O Parun	4	6	4
	9	A Stone	3	6	6^6

Bottom Half

	First Round							Second Round							Quarterfinals							Semifinals
	12	T Edlefsen	6^1	7	6^8
		J Fillol	7^7	5	7^10				J Fillol	6	6^5	4
		P Cornejo	4	0				8	C Richey	3	7^7	6
	8	C Richey	6	6											8	C Richey	0	3
	10	P Dent	7^7	6											3	S Smith	6	6
		J McManus	6^3	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	7^7	4	6				R Maud	6	6
	5	J Alexander	6^4	6	1											R Maud	6	4	7^8
		C Pasarell	7^7	6											1	R Laver	4	6	6^6
		F Froehling	6^2	2					C Pasarell	7	4	3
		ON Bengtson	5	1				1	R Laver	5	6	6
	1	R Laver	7	6

References

• Main Draw