1950 U.S. National Championships – Men's singles

The tournament used two lists of ten players for seeding the men's singles event; one for U.S. players and one for foreign players. Arthur Larsen is the champion; others show the round in which they were eliminated.^[2]

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• r = Retired

Final eight

	Quarterfinals									Semifinals									Final
	11	Arthur Larsen	6	2	6	6
	7	Tom Brown	3	6	1	4
										11	Arthur Larsen	6	10	7	6
										15	Dick Savitt	2	8	9	2
	15	Dick Savitt	8	6	2	6
		Sidney Schwartz	6	2	6	3
																			11	Arthur Larsen	6	4	5	6	6
																			3	Herbie Flam	3	6	7	4	3
	13	Earl Cochell	3	5	2
	5	Gardnar Mulloy	6	7	6
										5	Gardnar Mulloy	6	2	11	1	3
										3	Herbie Flam	2	6	9	6	6
	17	Bill Talbert	7	4	3
	3	Herbie Flam	9	6	6

Earlier rounds

Section 1

	First round									Second round									Third round									Quarterfinals
		Beisser	7	7	9	2
	4	Drobný	5	9	11	6				4	Drobný	9	6	6
		Schreiber	12	6	1	5	2				Hopman	7	3	1
		Hopman	10	1	6	7	6												4	Drobný	3	6	2	5
		Reed	4	6	4	11													11	Larsen	6	2	6	7
		Davidson	6	4	6	13					Davidson	4	4	6	4
		Horn	3	4	3					11	Larsen	6	6	4	6
	11	Larsen	6	6	6																							11	Larsen	3	6	1	4
		Fox	2	2	0																							7	Brown	6	2	6	6
	14	Worthington	6	6	6					14	Worthington	3	3	6	10	7
		Brose	2	4	1						Rochon	6	6	0	8	5
		Rochon	6	6	6														14	Worthington	2	6	1	5
		Abdesselam	4	4	7														7	Brown	6	1	6	7
		Golden	6	6	9						Golden	3	3	2
		Tuero	6	4	1	4				7	Brown	6	6	6
	7	Brown	1	6	6	6

Section 2

	First round									Second round									Third round									Quarterfinals
		Trabert	4	0	5
	6	Bromwich	6	6	7					6	Bromwich	6	6	1	6
		Macken	2	5	1						Moylan	3	4	6	4
		Moylan	6	7	6														6	Bromwich	6	0	6	2	3
		Richards	7	3	3	5													15	Savitt	3	6	4	6	6
		Rose	5	6	6	7					Rose	4	2	4
		Saul	w/o							15	Savitt	6	6	6
	15	Savitt																										15	Savitt	8	6	2	6
		Main	7	3	5	4																							Schwartz	6	2	6	3
	12	Ampon	5	6	7	6				12	Ampon	6	6	6
		Eliaeson	2	2	4						Match	2	4	1
		Match	6	6	6														12	Ampon	6	2	8	5
	20	Palafox	2	4	4															Schwartz	4	6	10	7
		Schwartz	6	6	6						Schwartz	6	21	6
	1	Patty	w/o								Devoe	4	19	3
		Devoe

Section 3

	First round									Second round									Third round									Quarterfinals
		Burrows	6	3	5	8
	2	Sedgman	3	6	7	10				2	Sedgman	4	6	7	3	7
		Brichant	8	3	1						Clark	6	3	5	6	5
		Clark	10	6	6														2	Sedgman	5	7	6	2	2
		Masterson	4	2	5														13	Cochell	7	5	1	6	6
		Likas	6	6	7						Likas	0	1	2
		Fisher	1	3	0					13	Cochell	6	6	6
	13	Cochell	6	6	6																							13	Cochell	3	5	2
		Gaines	3	3	8	2																						5	Mulloy	6	7	6
	10	Johansson	6	6	6	6				10	Johansson	7	4	6	6
		Behrens	3	6	3	3					Richardson	5	6	4	3
		Richardson	6	1	6	6													10	Johansson	4	2	2
		Shea	3	6	7	2	1												5	Mulloy	6	6	6
		Stewart	6	3	5	6	6				Stewart	1	2	1
		Vincent	4	0	1					5	Mulloy	6	6	6
	5	Mulloy	6	6	6

Section 4

	First round									Second round									Third round									Quarterfinals
	8	McGregor	7	6	4	1
		McNeill	9	3	6	6					McNeill	1	6	5	0
		Shields	1	6	1	2				17	Talbert	6	4	7	6
	17	Talbert	6	3	6	6													17	Talbert	6	2	3	6	6
		Martin	3	3	2														9	Seixas	1	6	6	2	3
		Balbiers	6	6	6						Balbiers	3	2	3
		Paton	1	0	1					9	Seixas	6	6	6
	9	Seixas	6	6	6																							17	Talbert	7	4	3
		Ganzenmuller	0	4	3																							3	Flam	9	6	6
	16	Mottram	6	6	6					16	Mottram	4	6	3	6	3
		Ducos De La Haille	1	5	7	6	4			19	Brink	6	4	6	4	6
	19	Brink	6	7	5	3	6												19	Brink	4	3	3
		Ball	6	3	4														3	Flam	6	6	6
	18	Washer	8	6	6					18	Washer	1	4	8	4
		Bogley	6	4	1	4				3	Flam	6	6	6	6
	3	Flam	3	6	6	6