Singles
1884 U.S. National Championships
Champion	Richard Sears
Runner-up	Howard Taylor
Score	6–0, 1–6, 6–0, 6–2
Draw	35

Three-time defending champion Richard Sears defeated Howard Taylor in the challenge round, 6–0, 1–6, 6–0, 6–2 to win the men's singles tennis title at the 1884 U.S. National Championships. A challenge round was introduced this year, which was played until 1911. Arthur Rives became the first player to play at more than one Grand Slam singles tournament within a calendar year.^[1]

Draw

Challenge round

	Challenge round
	Richard Sears		6	1	6	6
	Howard Taylor		0	6	0	2

Finals

	Semifinals							Finals
		Percy Knapp	2	6	1
		Howard Taylor	6	2	6
									Howard Taylor	6	4	6	6
									William VS Thorne	4	6	1	4
		William VS Thorne	2	6	6
		Clarence Clark	6	2	3

Earlier rounds

Section 1

	First round							Second round							Third round							Quarterfinals
	RL Beeckman		6	6
	MG Post		3	2				RL Beeckman		6	6
								SH Hooper		5	4
															RL Beeckman		1	6	6
															P Willis		6	5	2
								P Willis		6	6
								A Rives		3	3
																						RL Beeckman		1	2
																						P Knapp		6	6
								P Knapp		6	6
								FH Gillette		4	2
															P Knapp		6	6
															WB Eaton		1	1
								WB Eaton		w/	o
								J Dwight

Section 2

	First round							Second round							Third round							Quarterfinals
								H Taylor		6	6
	GM Brinley		6	6				GM Brinley		1	1
	WB Merriman		5	1											H Taylor		3	6	7
															J Clark		6	2	5
								J Clark		6	6
								WF Metcalfe		2	0
																						H Taylor		6	6
																						A Van Rensselaer		4	1
								A Van Rensselaer		6	6
								WH Barnes		5	1
															A Van Rensselaer		6	2	6
															RF Conover		4	6	3
								RF Conover		6	6
								F Keene		2	2

Section 3

	First round							Second round							Third round							Quarterfinals
	W Thorne		6	6
	F Warren		0	1				W Thorne		0	6	6
								MS Paton		6	5	4
															W Thorne		w/	o
															H Slocum
								H Slocum		4	6	6
								FJ Hynes		6	2	3
																						W Thorne		w/	o
																						G Richards
								G Richards		w/	o
								AM Wood
															G Richards		4	6	6
															EK Butler		6	5	4
								EK Butler		6	6
								W Berry		2	1

Section 4

	First round							Second round							Third round							Quarterfinals
								C Clark		6	6
								A Curtis		3	4
															C Clark		6	6
															PR Lyman		4	1
								PR Lyman		6	6
								N Perry E Hallowell		3	3
																						C Clark		6	6
																						AC Salt		2	2
								AC Salt		6	6
								EE Denniston		5	1
															AC Salt		6	6
															M Fielding		4	1
								M Fielding		6	6
								W Gammell		1	4

References

• Albiero, Alessandro; Carta, Andrea (2010). The Grand Slam Record Book Vol. 1. Monte Porzio Catone: Effepi Libri. p. 570. ISBN 978-88-6002-017-8.