1930 U.S. National Championships – Men's singles

John Doeg defeated Frank Shields 10–8, 1–6, 6–4, 16–14 in the final to win the men's singles tennis title at the 1930 U.S. National Championships. Reigning champion Bill Tilden lost to Doeg in the semifinals.

Men's singles
1930 U.S. National Championships
Champion	John Doeg
Runner-up	Frank Shields
Score	10–8, 1–6, 6–4, 16–14
Draw	95
Seeds	16

Seeds

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

1. Bill Tilden (semifinals)
2. Wilmer Allison (fourth round)
3. George Lott (quarterfinals)
4. Sidney Wood (semifinals)
5. Clifford Sutter (quarterfinals)
6. John Doeg (champion)
7. Gregory Mangin (quarterfinals)
8. John Van Ryn (quarterfinals)
9. Jean Borotra (first round)
10. Harry Lee (fourth round)
11. John Olliff (fourth round)
12. Fred Perry (fourth round)
13. George Lyttleton-Rogers (fourth round)
14. Marcel Rainville (second round)
15. E.R. Avory (third round)
16. Leslie Godfree (fourth round)

Draw

Key

• Q = Qualifier
• WC = Wild card
• LL = Lucky loser
• Alt = Alternate
• SE = Special exempt
• PR = Protected ranking
• ITF = ITF entry
• JE = Junior exempt
• w/o = Walkover
• r = Retired
• d = Defaulted
• SR = Special ranking

Final eight

	Quarterfinals									Semifinals									Finals
	Frank Shields		3	6	6	6	6
	Gregory Mangin		6	8	2	1	1
										Frank Shields		6	6	4	6
										Sidney Wood		2	3	6	3
	Sidney Wood		6	6	2	7
	Clifford Sutter		4	3	6	5
																			Frank Shields		8	6	4	14
																			John Doeg		10	1	6	16
	Bill Tilden		4	6	6	6
	John Van Ryn		6	2	4	4
										Bill Tilden		8	3	6	10
										John Doeg		10	6	3	12
	Frank Hunter		13	4	6	2	4
	John Doeg		11	6	3	6	6'

Top half

Section 1

	First round									Second round									Third round									Fourth round
										2	W Allison	6	6	6
											R Bryan	3	3	3
																			2	W Allison	4	6	6	6
																				R Murphy	6	1	3	3
										R Murphy		8	6	6
										H Culley		6	1	3
																												2	W Allison	4	6	2	6	3
																													F Shields	6	4	6	1	6
										F Shields		6	6	6
										E Tarangioli		1	0	3
																			F Shields		6	6	7
																			E Griffin		4	4	5
											E Griffin	6	0	2	6	6
										(6)	M Rainville	4	6	6	2	4

Section 2

	First round									Second round									Third round									Fourth round
										7	G Mangin	6	6	6
											B Hammell	1	3	2
																			7	G Mangin	6	6	6
																				J Hennessey	2	0	1
										P Neer		2	3	5
										J Hennessey		6	6	7
																												7	G Mangin	6	6	10
																												(3)	J Olliff	2	3	8
										K Werner		9	9	6
										W Watsburn		7	7	3
																				K Werner	4	2	0
																			(3)	J Olliff	6	6	6
											H Langlie
										(3)	J Olliff	w	o