Men's singles
1917 U.S. National Championships
Final
Champion	Robert Lindley Murray[1]
Runner-up	Nathaniel W. Niles[1]
Score	5–7, 8–6, 6–3, 6–3
Events
Singles men women Doubles men women
← 1916 · U.S. National Championships · 1918 →

Robert Lindley Murray defeated Nathaniel W. Niles 5–7, 8–6, 6–3, 6–3 in the final to win the men's singles tennis title at the 1917 U.S. National Championships.^[2] The event was held at the West Side Tennis Club in Forest Hills, New York.^[3][4] The tournament was renamed National Patriotic Tournament in support of the war effort. No trophies were handed out to the winners and the entrance fees were dedicated to the American Red Cross.^[5]

	Quarterfinals									Semifinals									Final
		R. Lindley Murray	4	6	6	4	6
		Craig Biddle	6	1	4	6	2
											R. Lindley Murray	4	6	6	6
											John Strachan	6	3	3	1
		John Strachan	6	2	6	6
		Chuck Garland	1	6	2	3
																				R. Lindley Murray	5	8	6	6
																				Nathaniel W. Niles	7	6	3	3
		Nathaniel W. Niles	6	6	6
		Clarence Griffin	1	3	0
											Nathaniel W. Niles	6	4	6	6
											R. Norris Williams	2	6	4	3
		Harold Throckmorton[6]	1	6	4	6	3
		R. Norris Williams	6	4	6	0	6

	First round									Second round									Third round									Quarterfinals
	Fixman		w/	o
	Murray									Murray		6	6
	Emerson		2	1						Westfall		2	2
	Westfall		6	6															Murray		3	6	6	6
	Pell		6	6															Tilden		6	4	3	3
	Rosenbaum		3	3						Pell		3	3
	Otto Salm		0	1						Tilden		6	6
	Tilden		6	6																								Murray		4	6	6	4	6
	Mathey																											Biddle		6	1	4	6	2
	Burrows		w/	o						Mathey		6	6
	Walker		6	6						Walker		3	1
	Seymour		2	0															Mathey		4	14	3	3
	Alexander		6	6															Biddle		6	12	6	6
	Bassford		1	0						Alexander		1	6	0
	Biddle									Biddle		6	4	6
	Major		w/	o

	First round									Second round									Third round									Quarterfinals
	Strachan
	Letson		w/	o						Strachan		6	6
	Bowman		w/	o						Binzen		1	1
	Binzen																		Strachan		6	2	6	6
	MacPherson																		MacPherson		1	6	0	3
	Harris		w/	o						MacPherson		6	6
	Wagner		6	6						Wagner		1	4
	Berk		3	0																								Strachan		6	2	6	6
	Watters		7	6																								Garland		1	6	2	3
	Allen		5	4						Watters		6	6
	Kashio		7	7	10					Kashio		3	4
	Brown Ransom		9	5	8														Watters		4	1	3
	Garland		6	7															Garland		6	6	6
	Mahan		1	5						Garland		6	6
	Dionne		4	6	0					Behr		2	4
	Behr		6	2	6

	First round									Second round									Third round									Quarterfinals
	Voshell		4	6'	3
	Ward		6	1	6					Ward		6	6
	Inman		1	3						Parker		2	2
	Parker		6	6															Ward		6	3	1	2
	Niles		6	6															Niles		3	6	6	6
	Allen		4	2						Niles		6	6
	Chambers									Chambers		4	1
	Adoue		w/	o																								Niles		6	6	6
	Armstrong		w/	o																								Griffin		1	3	0
	Beck									Beck		6	6
	Vail		6	9						Vail		1	3
	Vilsack		3	7															Beck		2	6	2
	Griffin		6	6															Griffin		6	8	6
	MacMullen		2	3						Griffin		6	6
	VanDeventer									VanDeventer		2	2
	Mack		w/	o

	First round									Second round									Third round									Quarterfinals
	Throckmorton		6	6
	Johnson		4	4						Throckmorton		7	6
	Baggs									Baggs		5	3
	O Neale		w/	o															Throckmorton		4	6	6	6
	Washburn		6	6															Washburn		6	2	4	4
	Dickinson		3	3						Washburn		6	6
	Tilden		w/	o						McClave		0	2
	McClave																											Throckmorton		1	6	4	6	3
	Whitman		w/	o																								Williams		6	4	6	0	6
	Wright									Wright		7	10	2
	VanDeventer		2	4						Beekman		5	12	6
	Beekman		6	6															Beekman		8	4	7	3
	Williams		6	6															Williams		6	6	9	6
	Pate		2	2						Williams		6	6
	French		3	6	6					French		3	2
	James		6	3	1

• 1917 U.S. National Championships on ITFtennis.com Archived 2016-03-31 at the Wayback Machine, the source for this draw