1927 U.S. National Championships – Men's singles

Men's singles
1927 U.S. National Championships
Champion	René Lacoste
Runner-up	Bill Tilden
Score	11–9, 6–3, 11–9
Draw	64
Seeds	16

Main article: 1927 U.S. National Championships (tennis)

Defending champion René Lacoste defeated Bill Tilden in the final, 11–9, 6–3, 11–9 to win the men's singles tennis title at the 1927 U.S. National Championships. It was Lacoste's second U.S. Championships singles title and fifth major singles title overall.

Seeds

The tournament used two lists of eight players for seeding the men's singles event; one list of U.S. players and one for foreign players. René Lacoste is the champion; others show in brackets the round in which they were eliminated.

1. Bill Tilden (finalist)
2. Bill Johnston (semifinals)
3. Manuel Alonso (quarterfinals)
4. Frank Hunter (semifinals)
5. George Lott (first round)
6. Richard Norris Williams (first round)
7. Lewis White (third round)
8. John Doeg (third round)

1. René Lacoste (champion)
2. Henri Cochet (third round)
3. Jean Borotra (quarterfinals)
4. Jacques Brugnon (quarterfinals)
5. Jean Washer (third round)
6. Jack Wright (third round)
7. Yoshiro Ohta (second round)
8. Ryuki Miki (first round)

Draw

Final eight

	Quarterfinals									Semifinals									Final
		Bill Tilden	6	3	10	6
		Jean Borotra	1	6	8	1
											Bill Tilden	14	6	4	9
											Frank Hunter	12	1	6	7
		Frank Hunter	4	5	6	6	6
		John Hennessey	6	7	0	3	4
																				Bill Tilden	9	3	9
																				René Lacoste	11	6	11
		Bill Johnston	3	6	6	6
		Jacques Brugnon	6	2	4	4
											Bill Johnston	2	6	4	1
											René Lacoste	6	2	6	6
		Manuel Alonso	2	6	4	1
		René Lacoste	6	2	6	6

Earlier rounds

Section 1

	First round									Second round									Third round									Quarterfinals
	1	Tilden	6	10	7
		Mercur	3	8	5					1	Tilden	6	6	6
	Hyde		w/	o							Bell	2	2	2
	Bell																		1	Tilden	4	6	11	6
	Griffin		3	8	6	6														Griffin	6	1	9	0
	Hubbell		6	6	4	4					Griffin	6	6	6
		Griffin	6	5	2	6	3			(7)	Ohta	0	2	2
	(7)	Ohta	2	7	6	3	6																					1	Tilden	6	3	10	6
	8	Doeg	8	3	6	2																						(3)	Borotra	1	6	8	1
		Appel	10	6	3	6				Appel		6	5	0
	Lang		6	4	4	6	6			Lang		8	7	6
	Anderson		1	6	6	0	3													Lang	6	6	3	1	3
	Gilpin		5	3	6														(3)	Borotra	2	4	6	6	6
	Thalheimer		7	6	3	rtd.					Gilpin	4	6	8	5
		Toba	6	6	2	3	0			(3)	Borotra	6	8	6	7
	(3)	Borotra	3	2	6	6	6

Section 2

	First round									Second round									Third round									Quarterfinals
	4	Hunter	6	8	3	6
		Seligson	1	6	6	2				4	Hunter	6	9	6
	Chandler										Chandler	2	7	4
	Allison		w/	o															4	Hunter	7	6	6
	Evans		0	1	1														(5)	Washer	5	3	3
	Coggeshall		6	6	6						Coggeshall	4	0	2
		Coen	w/	o						(5)	Washer	6	6	6
	(5)	Washer																										4	Hunter	4	5	6	6	6
	6	Williams	w/	o																									Hennessey	6	7	0	3	4
		Herndon								Herndon		4	1	2
	Baur		3	4	2					Hennessey		6	6	6
	Hennessey		6	6	6															Hennessey	6	6	4	3	6
	Feibleman		6	6	6														(2)	Cochet	4	4	6	6	1
	Onda		4	3	4						Feibleman	4	6	7	0
		Kynaston	3	5	3					(2)	Cochet	6	8	5	6
	(2)	Cochet	6	7	6

Section 3

	First round									Second round									Third round									Quarterfinals
	2	Johnston	7	6	7
		King	5	3	5					2	Johnston	6	6	7
	Olhausen		6	7	4						Marsh	1	4	5
	Marsh		8	9	6														2	Johnston	6	6	6
	Williams		w/	o															(6)	Wright	4	4	4
	Leslie										Leslie	5	1	9	1
		Mooney	0	4	2					(6)	Wright	7	6	7	6
	(6)	Wright	6	6	6																							2	Johnston	3	6	6	6
	7	White	7	3	1	0																						(4)	Brugnon	6	2	4	4
		Jones	5	6	6	6				Jones		6	6	6
	Fischer		6	3	6	6	6			Fischer		1	1	2
	Shields		3	6	2	8	3													Jones	7	6	6	1	1
	Strachan		4	6	6	6													(4)	Brugnon	9	4	3	6	6
	Wood		6	3	4	2					Strachan	0	1	2
		Mangin	4	5	3					(4)	Brugnon	6	6	6
	(4)	Brugnon	6	7	6

Section 4

	First round									Second round									Third round									Quarterfinals
	3	Alonso	5	8	6	6
		Hall	7	6	4	3				3	Alonso	6	4	6	6
	Washburn		5	6	5	6	6				Washburn	2	6	3	2
	Weiner		7	1	7	0	0												3	Alonso	5	3	6	6	6
	Van Ryn		6	6	3	6														Van Ryn	7	6	1	4	0
	Johnson		4	4	6	4				Van Ryn		4	6	7	8
		Bowman	6	6	6					Bowman		6	2	5	6
	(8)	Miki	4	1	2																							3	Alonso	8	4	1	2
	5	Lott	w/	o																								(1)	Lacoste	6	6	6	6
		Behr								Behr		3	3	2
	Harada		6	6	6					Harada		6	6	6
	Orser		1	3	1															Harada	3	4	3
	Nunns		4	6	3	6	6												(1)	Lacoste	6	6	6
	Sullivan		6	4	6	0	3				Nunns	0	2	4
		Owens	4	4	2					(1)	Lacoste	6	6	6
	(1)	Lacoste	6	6	6