1889 U.S. National Championships – Women's singles

Bertha Townsend defended her tennis singles title by defeating Lida Voorhees 7–5, 6–2 in the Challenge Round of the 1889 U.S. Women's National Singles Championship. Voorhuis had won the right to challenge Townsend by defeating Helen Day Harris 6–5, 2–6, 6–3 in the final of the All Comers' competition. The event was held at the Philadelphia Cricket Club, Pennsylvania.^[1]

Women's singles
1889 U.S. National Championships
Champion	Bertha Townsend[1]
Runner-up	Lida Voorhees[1]
Score	7–5, 6–2
Draw	8 + 1
Seeds	–

Main article: 1889 U.S. National Championships (tennis)

Draw

Challenge round

	Challenge Round
	Bertha Townsend		7	6
	Lida Voorhees		5	2

All Comers' finals

	Quarterfinals							Semifinals							Finals
	Lida Voorhees		6	6
	Laura Knight		1	2
								Lida Voorhees		6	4	6
								Grace Roosevelt		1	6	5
	Grace Roosevelt
	Marion Wright
															Lida Voorhees		6	2	6
															Helen Day Harris		5	6	3
	D.F. Butterfield		6	6
	Anna C. Smith		3	1
								D.F. Butterfield		1	3
								Helen Day Harris		6	6
	Rebecca H. Lycett		1	1
	Helen Day Harris		6	6