Men's singles
1903 U.S. National Championships
Final
Champion	Laurence Doherty[1]
Runner-up	William Larned[1]
Score	6–0, 6–3, 10–8
Events
Singles men women Doubles men women
← 1902 · U.S. National Championships · 1904 →

Laurence Doherty defeated the two-time defending championWilliam Larned 6–0, 6–3, 10–8 to win the men's singles tennis title at the 1903 U.S. National Championships.^[2] Doherty had defeatedWilliam Clothier in the All Comers' Final, which was delayed by a day due to rain.^[3][4]

The event was held at theNewport Casino inNewport,R.I., United States.^[1][5] The entry list consisted of 97 players, which was slightly smaller than that of the previous year.

	Challenge Round
	William Larned		0	3	8
	Laurence Doherty		6	6	10

	Quarterfinals									Semifinals									Finals
	R.C. Seaver		3	2	1
	Richard Carleton		6	6	6
										Richard Carleton		2	0	0
										Laurence Doherty		6	6	6
	Reginald Doherty
	Laurence Doherty		w/o
																			Laurence Doherty		6	6	6
																			William Clothier		3	2	3
	Edward Larned		6	4	6	6
	Bob Huntington		0	6	0	3
										Edward Larned		3	1	2
										William Clothier		6	6	6
	Harry Allen		3	1	2
	William Clothier		6	6	6

Section 1

	First round									Second round									Third round									Fourth round
										Waidner		4	12	2	6	6
										Jones		6	10	6	4	1
																			Waidner		d.	f.
																			Seaver
										Seaver		2	1	3
										Conner		6	6	6
																												Seaver		6	6	7
																												Dionne		1	0	5
										Sedgwick		1	5	8	2
										Norman		6	7	6	6
																			19	Norman	4	3	2
																				Dionne	6	6	6
										Dionne		2	6	6	8	7
										Cole		6	3	8	6	5

Section 2

	First round									Second round									Third round									Fourth round
										Cross		2	5	0
										Carleton		6	7	6
																			Carleton		6	6	6
																			Freshman		2	3	3
										Freshman		6	6	4	3	6
										Behr		1	3	6	6	1
																													Carleton	6	6	6
																												7	Whitman	3	2	1
										Bailey		1	2	4
										Whitman		6	6	6
																			Whitman		3	8	6	7
																			Smith		6	6	0	5
										Neeley
										Smith		w/o

Section 3

	First round									Second round									Third round									Fourth round
										Ryerson		0	1	1
										Collins		6	6	6
																			Collins		2	6	8	3
																			RF Doherty		6	2	10	6
										Merrill		1	2	1
										RF Doherty		6	6	6
																												RF Doherty		6	6	6
																												Paret		0	1	2
										Henshaw		4	1	2
										Paret		6	6	6
																			Paret		3	8	6	10
																			Beals		6	6	3	8
										Horton		3	4	4
										Beals		6	6	6

Section 4

	First round									Second round									Third round									Fourth round
										Colket		2	2	0
	Relyea		0	1	1					HL Doherty		6	6	6
	HL Doherty		6	6	6														9	HL Doherty	6	6	6
	Stevens		6	6	6															Stevens	4	2	2
	Dana		0	1	1					Stevens		w/o
	Leech									Stiness
	Stiness		w/o																										HL Doherty	6	6	6
	Miller		6	6	7																							3	Mahony	3	2	4
	Henshaw		0	1	5					Miller		7	6	7	6
	Peters									Dering		5	8	9	8
	Dering		w/o																Dering		5	3	2
	Gates		4	6	4	4													Mahony		7	6	6
	Stillman		6	2	6	6				Stillman		3	2	3
	3	Otis								Mahony		6	6	6
		Mahony	w/o

Section 5

	First round									Second round									Third round									Fourth round
	Read		6	4	5	4
	Horton		4	6	7	6				Horton		8	4	7	6
	Mahan		6	6	6					Mahan		6	6	5	0
	Adee		3	3	2														Horton		6	8	8
	Slocum		w/o																Melland		3	6	6
	Thomas									Slocum		5	2	4
	Melland		6	6	6					Melland		7	6	6
	Burlingame		0	0	0																							Horton		7	6	2
	EP Larned		6	6	6																							EP Larned		9	8	6
	Clarke		1	1	3					17	EP Larned	6	6	6
	Bartlett		3	5	6	1					Scott	2	2	2
	Scott		6	7	4	6													EP Larned		6	6	6
																			Avery		2	3	1
										Manson
										Avery		w/o

Section 6

	First round									Second round									Third round									Fourth round
										Morris		1	0	1
										Leonard		6	6	6
																			Leonard		6	6	6
																			Bull		1	4	2
										White		7	2	1	6	3
										Bull		5	6	6	3	6
																												Leonard		11	7	4	5	3
																												Huntington		9	5	6	7	6
										Burden		6	6	6
										Scott		4	0	4
																				Burden	1	2	4
																			5	Huntington	6	6	6
											Hoskins	2	2	2
										5	Huntington	6	6	6

Section 7

	First round									Second round									Third round									Fourth round
										Codman		7	6	6
										Appleton		5	2	3
																			Codman		6	6	6
																			Blanding		3	0	1
										Blanding		w/o
										Devens
																												Codman		0	2	0
																												Allen		6	6	6
										Reid
										Ridgway		w/o
																			Ridgway		5	4	1
																			Allen		7	6	6
										Havermayer
										Allen		w/o

Section 8

	First round									Second round									Third round									Fourth round
										Lamb		1	2	3
										Ward		6	6	6
																			Ward		w/o
																			Willis
										Willis		6	6	6
										Livermore		2	4	4
																												Ward		2	4	7	5
																												Clothier		6	6	5	7
										Holt
										Sands		w/o
																				Sands	2	6	3	1
																			1	Clothier	6	4	6	6
										Wright		6	4	4	1
										Clothier		4	6	6	6

• 1903 U.S. National Championships (tennis)
• U.S. National Championships (tennis) by year – Men's singles

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