Men's singles
1891 U.S. National Championships
Final
Champion	Oliver Campbell
Runner-up	Clarence Hobart
Score	2–6, 7–5, 7–9, 6–1, 6–2
Events
Singles men women Doubles men women
← 1890 · U.S. National Championships · 1892 →

Defending championOliver Campbell defeatedClarence Hobart in the challenge round, 2–6, 7–5, 7–9, 6–1, 6–2 to win the men's singles tennis title at the 1891 U.S. National Championships.

	Challenge round
	O Campbell		2	7	7	6	6
	C Hobart		6	5	9	1	2

	Semifinals									Finals
	C Hobart		6	6	6
	VG Hall		2	4	2
										C Hobart		6	3	6	6	6
										F Hovey		4	6	4	8	0
	F Hovey		6	6	3	1	6
	M Smith		4	2	6	6	4

	First round									Second round									Third round									Quarterfinals
	H Colby		6	4	6	6
	EK Rowland		1	6	1	1				H Colby		1	11	6	3	6
	FLV Hoppin		w/	o						FLV Hoppin		6	9	4	6	3
	FJ Bentley																		H Colby		0	6	0	4
	EL Hall		6	6	2	6													EL Hall		6	3	6	6
	M Fielding		2	3	6	4				EL Hall		5	7	6	6
	S McCormick		5	7	6	6				S McCormick		7	5	1	2
	W Hoopes		7	5	1	2																						EL Hall		6	4	9	4
	WV Johnson		6	6	6																							C Hobart		3	6	11	6
	S Woodward		2	2	2					WV Johnson		1	4	3
	C Hobart		8	6	6					C Hobart		6	6	6
	TP Borden		6	3	3														C Hobart		w/	o
	C Bunting		6	6	4	7	6												J Ryerson
	JA Hovey		4	8	6	5	4			C Bunting		1	2	4
	J Ryerson		6	6	6					J Ryerson		6	6	6
	ML Pratt		2	3	3

	First round									Second round									Third round									Quarterfinals
	CT Lee		6	6	6
	H Satterlee		0	1	1					CT Lee		6	6	6
	WP Jenks		6	6	9					WP Jenks		1	1	2
	JF Turrill		0	0	7														CT Lee		6	6	6
	E Colby		11	4	6	7													W Larned		2	2	4
	BJ Carroll		9	6	3	5				E Colby		1	1	1
	W Larned		8	6	8					W Larned		6	6	6
	H McCormick		6	4	6																							CT Lee		4	4	6	0
	VG Hall		6	6	6																							VG Hall		6	6	0	6
	FM Pile		1	1	1					VG Hall		2	6	6	6
	R Stevens		2	6	4	6	6			R Stevens		6	2	4	1
	B Lamb		6	3	6	2	1												VG Hall		6	2	6	6
	ST Chase		6	6	6														ST Chase		4	6	2	3
	G Herrick		2	2	1					ST Chase		3	6	6	6
	B Huntington		w/	o						B Huntington		6	4	3	3
	R Johnson

	First round									Second round									Third round									Quarterfinals
	F Hovey		6	6	6
	LR Parker		1	3	1					F Hovey		6	6	2	6
	HG Bixby		6	6	6					HG Bixby		3	4	6	4
	J Nichols		4	4	1														F Hovey		5	3	6	13	6
	PS Sears		5	6	6	10													PS Sears		7	6	2	11	2
	D Miller		7	3	2	3				PS Sears		6	6	2	7
	W Orcutt		6	10	6					W Orcutt		4	3	6	5
	EW Gould		3	8	1																							F Hovey		4	6	6	2	6
	H.I. Wilcox		6	2	6	6																						AWS Post		6	4	3	6	0
	WK Fowler		4	6	3	4				H.I. Wilcox		6	6	6
	CR Budlong		3	6	6	6				CR Budlong		4	2	2
	ES Rushmore		6	4	3	2													H.I. Wilcox		6	2	3	1
	AWS Post		6	6	6														AWS Post		0	6	6	6
	GT Scott		3	3	2					AWS Post		6	6	4	6
	GR Fearing		6	6	6					GR Fearing		3	3	6	4
	CA Brown		0	1	1

	First round									Second round									Third round									Quarterfinals
	M Smith		7	6	6
	DW Candler		5	2	1					M Smith		6	6	6
	G Brown		6	6	8					G Brown		0	4	2
	BS de Garmendia		1	0	6														M Smith		6	6	6
	B O'Connor		6	7	8														B O'Connor		2	2	3
	GN Notion		0	5	6					B O'Connor		6	6	6
	PS Oscanyan		6	4	6	6				PS Oscanyan		3	2	1
	E Stille		2	6	4	3																						M Smith		6	6	6
	T Horton		6	6	6																							J Clark		1	0	4
	EA Thompson		2	2	2					T Horton		0	1	3
	J Clark		6	4	6	6				J Clark		6	6	6
	ES White		1	6	1	3													J Clark		6	6	6
	JHF Hunt		6	6	6														JHF Hunt		4	2	4
	AWS Post		3	4	1					JHF Hunt		w/	o
	A Empie Wright		w/	o						A Empie Wright
	WH Trotter

• Albiero, Alessandro; Carta, Andrea (2010).The Grand Slam Record Book Vol. 1. Monte Porzio Catone: Effepi Libri. p. 574.ISBN 978-88-6002-017-8.

• 1891 U.S. National Championships (tennis)
• U.S. National Championships (tennis) by year – Men's singles

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