1948 U.S. National Championships – Men's singles

The tournament used two lists of eight players for seeding the men's singles event; one for U.S. players and one for foreign players. Pancho Gonzales 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
	1	Frank Parker	6	6	5	3
	15	Pancho Gonzales	8	2	7	6
										15	Pancho Gonzales	8	11	6	6
										4	Jaroslav Drobný	10	9	0	3
	7	Bob Falkenburg	6	1	3
	4	Jaroslav Drobný	8	6	6
																			15	Pancho Gonzales	6	6	14
																			10	Eric Sturgess	2	3	12
	10	Eric Sturgess	6	8	3	5	6
	9	Earl Cochell	2	6	6	7	3
										10	Eric Sturgess	9	6	6
											Herbie Flam	7	3	2
		Herbie Flam	2	6	6	6
	11	Harry Likas	6	4	1	0

Earlier rounds

Section 1

	First round									Second round									Third round									Fourth round
										1	Parker	6	6	6
											Bogley	2	1	0
																			1	Parker	6	6	6
																				Lohstoeter	0	1	0
											Palafox	w/o
											Lohstoeter
																												1	Parker	6	7	6
																												14	Sedgman	4	5	3
											Paton	6	5	3	6	6
											Bicknell	4	7	6	3	2
																				Paton	2	11	2
																			14	Sedgman	6	13	6
											Morris	4	2	2
										14	Sedgman	6	6	6

Section 2

	First round									Second round									Third round									Fourth round
										15	Gonzales	8	6	6
											Hecht	6	3	1
																			15	Gonzales	6	6	6
																				Ganzenmuller	3	2	3
											Bostick	8	3	6	6	6
											Ganzenmuller	6	6	4	8	8
																												15	Gonzales	6	2	3	6	6
																													Larsen	2	6	6	3	2
											Larsen	7	2	3	6	7
											Molloy	5	6	6	4	5
																				Larsen	4	6	8	6
																			6	Sidwell	6	2	6	4
											Lie	0	3	3
										6	Sidwell	6	6	6

Section 3

	First round									Second round									Third round									Fourth round
										7	Falkenburg	6	1	6	6
											Richards	4	6	3	3
																			7	Falkenburg	6	4	3	6	10
		Patty	6	6	6	6														Patty	1	6	6	4	8
		Mottram	4	8	1	3					Patty	6	6	6
		Saul	8	8	6						Saul	3	4	3
		Burrows	6	6	3																							7	Falkenburg	8	6	6
		Carter	6	6	6																								Carter	6	3	4
		Carver	1	3	4						Carter	6	7	6
		Rochon	6	8	6						Rochon	3	5	0
		Mattmann	3	6	3															Carter	6	6	6
		Brown	6	6	6	6														Brown	4	3	4
		Brink	3	8	3	2					Brown	6	6	6
	12	Long	6	8	6					12	Long	2	3	4
		Mateer	3	6	4

Section 4

	First round									Second round									Third round									Fourth round
	13	Seixas	6	6	6
		McGrath	2	3	1					13	Seixas	6	6	6
		Match	6	6	6						Match	3	0	4
		Rurac	0	0	3														13	Seixas	6	6	6	5	9
		Roddey	6	6	6															Vogt	3	8	3	7	7
		Lynch	2	1	1						Roddey	7	6	3	4
		Vogt	6	8	6						Vogt	9	3	6	6
		Behrens	4	6	4																							13	Seixas	4	7	4
		Schwartz	6	0	6	5	6																					4	Drobný	6	9	6
		Bellis	0	6	4	7	2				Schwartz	4	7	5	3
		Shea	3	14	6	6	6				Shea	6	5	7	6
		Hoffman	6	16	3	3	1													Shea	7	4	2	6
		Bartzen	6	6	6														4	Drobný	5	6	6	8
		Dorfman	0	2	4						Bartzen	3	2	4
	4	Drobný	6	6	6					4	Drobný	6	6	6
		Vincent	1	1	0

Section 5

	First round									Second round									Third round									Fourth round
	3	Talbert	6	6	4	6
		Welsh	2	1	6	1				3	Talbert	7	6	6
		Balbiers	6	6	3	6					Balbiers	5	2	3
		Hobbs	2	2	6	2													3	Talbert	6	6	6
		Garrett	6	7	6															Garrett	3	2	4
		Tully	3	5	2						Garrett	6	6	4	6
		Černík	6	6	6						Černík	4	3	6	2
		Boys	2	2	4																							3	Talbert	7	4	2	6	4
		Savitt	6	6	6																							10	Sturgess	5	6	6	1	6
		Geller	1	3	3						Savitt	6	6	6
		Hopman	6	6	3	6					Hopman	4	0	2
		Macken	2	4	6	3														Savitt	3	4	2
		Thomas	6	3	6	6													10	Sturgess	6	6	6
		Hippenstiel	3	6	4	3					Thomas	0	4	2
	10	Sturgess	6	6	6					10	Sturgess	6	6	6
		Taylor	0	1	2

Section 6

	First round									Second round									Third round									Fourth round
	9	Cochell	6	6	4	6
		Moylan	4	3	6	2				9	Cochell	4	8	4	6	6
		Kovaleski	6	6	6						Kovaleski	6	6	6	4	3
		Mouledous	3	1	3														9	Cochell	6	6	3	6
		Steele Jr.	6	6	4	6														Trabert	0	3	6	4
		Hall	4	2	6	4					Steele Jr.	3	7	6	3	4
		Trabert	6	6	8						Trabert	6	5	4	6	6
		Kerdasha	1	4	6																							9	Cochell	6	6	6
		Weiss	6	6	4	6																							Ampon	2	0	2
		Hetzeck	2	3	6	3					Weiss	3	4	6	6	6
											Mathey	6	6	2	1	4
																				Weiss	3	2	4
																				Ampon	6	6	6
											Ampon	6	6	3	7
										8	Brown	1	4	6	5

Section 7

	First round									Second round									Third round									Fourth round
										5	Mulloy	6	6	6
											Massey	2	2	3
																			5	Mulloy	8	6	10
																				Wood	6	4	8
											Masterson	5	6	3	7
											Wood	7	1	6	9
																												5	Mulloy	4	5	6	6	3
																													Flam	6	7	3	4	6
											Galván	3	2	3
											Flam	6	6	6
																				Flam	6	3	6	2	6
																			16	Morea	3	6	1	6	0
											Steiner	3	7	0
										16	Morea	6	9	6

Section 8

	First round									Second round									Third round									Fourth round
										11	Likas	6	6	7
											Abdesselam	3	2	5
																			11	Likas	6	6	6
																				Martin	2	4	4
											Martin	6	6	6
											Hanna	0	4	4
																												11	Likas	6	6	4	6
																												2	Quist	2	3	6	4
											Clark	2	9	6	6
											Golden	6	7	1	4
																				Clark	5	6	3
																			2	Quist	7	8	6
											Shields	2	1	6	4
										2	Quist	6	6	2	6