US Open 1921 Men's Singles  (September 9 - September 19)

	Nation		R128	R64	R32	R16	QF	SF	F	Champion
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7.			Robert Gilmore		6-2 6-1 6-1
				Robert Gilmore
8.			bye
							Craig Biddle Sr.
9.			Chauncey Crawford				6-1 3-6 6-3 6-1
				Chauncey Crawford
10.			bye
					Chauncey Crawford
11.			Samuel Pennock		10-8 6-3 6-4
				Samuel Pennock
12.			bye
						Alfred Hammett
13.			Subscribe now
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								Wallace Johnson
17.								6-0 6-3 6-4
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19.			Harrison Hathaway		6-4 6-2 6-1
				Harrison Hathaway
20.			bye
						Howard Kinsey
21.			Howard Kinsey			6-2 6-3 10-8
				Howard Kinsey
22.			L. Putnam	6-1 6-3 6-4
					Howard Kinsey
23.			Edward Oelsner		6-2 6-4 6-4
				Edward Oelsner
24.			Potter Stockton	4-6 6-4 9-7 6-0
							Wallace Johnson
25.			Subscribe now				4-6 8-6 6-2 6-1
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31.			Wallace Johnson		6-3 5-7 2-6 6-3 6-3
				Wallace Johnson
32.			Fritz Mercur	6-1 6-3 6-4
									Wallace Johnson
33.			G.A.L. Dionne						6-4 3-6 8-6 6-3
				G.A.L. Dionne
34.			Rowland Evans Jr.	7-5 7-5 10-8
					Carl Fischer
35.			Carl Fischer		6-3 6-1 6-4
				Carl Fischer
36.			Seiichiro Kashio	w/o
						Francis Hunter
37.			Subscribe now
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							Francis Hunter
41.							6-3 6-3 6-1
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43.			George King		6-1 6-2 6-0
				George King
44.			James Ewing	6-3 6-1 6-4
						Frank Anderson
45.			Arnold Jones			6-2 6-3 12-10
				Arnold Jones
46.			Olin Sweet	6-0 6-1 6-1
					Frank Anderson
47.			Frank Anderson		6-4 6-1 7-5
				Frank Anderson
48.			Frederick Baggs	6-2 6-2 6-1
								James Anderson
49.			Subscribe now					6-1 6-3 6-4
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55.			R. N. Williams		6-1 7-5 6-2
				R. N. Williams
56.			Sidney Thayer Jr.	6-0 6-2 6-1
							James Anderson
57.			Robert LeRoy				6-3 6-3 2-6 4-6 6-4
				Robert LeRoy
58.			Ignacio De La Borbolla	6-4 6-2 6-3
					John Hawkes
59.			John Hawkes		6-1 6-2 6-3
				John Hawkes
60.			William Rosenbaum	6-2 6-3 6-3
						James Anderson
61.			Subscribe now
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										William Tilden II
65.										6-1 6-3 6-1
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67.			Dean Mathey		w/o
				Dean Mathey
68.			Alfred Chapin Jr.	w/o
						Gordon Lowe
69.			Andrew Morgan			6-4 11-9 6-4
				Andrew Morgan
70.			L. Kamber	6-4 6-2 4-6 6-2
					Gordon Lowe
71.			Gordon Lowe		6-2 6-2 6-2
				Gordon Lowe
72.			Joseph Werner	w/o
							Gordon Lowe
73.			Subscribe now				6-2 6-3 6-3
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79.			N. W. Niles		5-7 3-6 6-3 6-4 6-3
				N. W. Niles
80.			Milo Miller Jr.	6-1 6-0 6-2
								William Tilden II
81.			William Johnston					6-4 6-3 6-4
				William Johnston
82.			Hugh Kelleher	6-4 6-4 6-4
					William Johnston
83.			Edward C. Hall		6-4 6-1 6-4
				Edward C. Hall
84.			Thomas Ackerland	2-6 3-6 7-5 8-6 7-5
						William Johnston
85.			Subscribe now
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							William Tilden II
89.							4-6 7-5 6-4 6-3
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91.			Zenzo Shimizu		6-3 6-0 12-10
				Zenzo Shimizu
92.			Arthur Nielsen Sr.	6-1 6-1 6-1
						William Tilden II
93.			William Tilden II			6-4 6-4 6-1
				William Tilden II
94.			Irving Wright	6-0 6-0 6-1
					William Tilden II
95.			Philips Goldsborough		6-2 6-1 6-4
				Philips Goldsborough
96.			Manfred Goldman	6-2 7-5 6-2
									William Tilden II
97.			Subscribe now						10-8 6-2 6-1
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103.			Willis Davis		4-6 3-6 6-4 6-3 6-3
				Willis Davis
104.			Harold Ingersoll	w/o
							Willis Davis
105.			Gerald Emerson				9-7 5-7 14-12 6-3
				Gerald Emerson
106.			Perry Osborne	6-3 6-4 5-7 6-1
					Gerald Emerson
107.			Leon De Turenne		6-3 6-8 6-4 6-4
				Leon De Turenne
108.			Armand Bruneau	6-0 6-4 10-8
						W. J. Clothier
109.			Subscribe now
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								Willis Davis
113.								6-3 4-6 6-4 1-6 6-4
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115.			Paul Martin		6-1 6-4 6-2
				Paul Martin
116.			bye
						William Gallon
117.			William Gallon			6-4 2-6 6-2 10-12 6-2
				William Gallon
118.			bye
					William Gallon
119.			John Neely		6-3 6-1 6-2
				John Neely
120.			bye
							Robert Kinsey
121.			Subscribe now				6-0 6-1 6-4
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127.			Edward Wilson		7-5 6-1 6-2
				Edward Wilson
128.			bye