Singles
1883 U.S. National Championships
Champion	Richard Sears
Runner-up	James Dwight
Score	6–2, 6–0, 9–7
Draw	27

Two-time defending champion Richard Sears defeated James Dwight in the final 6–2, 6–0, 9–7 to win the men's singles tennis title at the 1883 U.S. National Championships. Except for the final, each match was played on the best of three sets. Winner of a set was the player who won six games first, no two-games advantage was required. Participation was restricted to players who competed for U.S. clubs.^[1]

Draw

Finals

	Semifinals							Final
		Richard Sears	6	6
		Foxhall Keene	0	0
									Richard Sears	6	6	9
									James Dwight	2	0	7
		James Dwight	6	6
		Richard F Conover	4	3

Earlier rounds

Section 1

	First round							Second round							Quarterfinals							Semifinals
		C Farnum	6	4	6
		HA Taylor	2	6	4				C Farnum	1	4
									R Sears	6	6
																R Sears	6	6
		HW Powell	6	6												HW Powell	2	0
		Wharton	2	0					HW Powell	6	6
		WH Bucknall	6	6					WH Bucknall	1	5
		W Gammell	5	5																			R Sears	6	6
		F Keene	6	6																			F Keene	0	0
		Johnson	4	1					F Keene	6	6
		MG Post	6	6					MG Post	2	4
		JH Powell	4	4												F Keene	6	6
		GM Smith	w/	o												GM Smith	3	4
		Williams							GM Smith	6	6
		F Eldridge	6	3	6				F Eldridge	5	1
		FJ Hynes	5	6	4

Section 2

	First round							Second round							Quarterfinals							Semifinals
		MS Paton	6	6
		WP Metcalfe	5	4					MS Paton	3	0
		J Dwight	6	6					J Dwight	6	6
		M Thomas	0	2												J Dwight	6	6
		GM Brinley	6	6												GM Brinley	2	3
		SH Hooper	5	1					GM Brinley	6	5	6
		AE Newbold	w/	o					AE Newbold	4	6	3
		GW Beals																					J Dwight	6	6
		RF Conover	5	6	6																		RF Conover	4	3
		JS Tooker	6	1	1				RF Conover	6	6
		WB Dixon	4	6	6				WB Dixon	2	2
		L Bosnal	6	3	1											RF Conover
																bye

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.