The1920All England Championships was abadminton tournament held at theRoyal Horticultural Hall,Westminster, England from 2 March to 7 March 1920.^[1] It was the first All England Championships since 1914 following a six year break because of World War I.

George Thomas played under the alias George Allen and finally won his first men's singles title after many years of trying, his best previous singles result was as a losing finalist 16 years earlier in 1904. Another playerArchibald Engelbach played under the alias Archibald Fee and won the doubles withRaoul du Roveray.^[2][3][4]

K. S. Tann was listed as representing China in the first round of the men's singles and was beaten by the defending champion Guy Sautter 15-1, 15-3. It was the first instance of a Chinese player appearing at the Championships. Tann partnered by Mackinnon also made it to the semi-finals of the men's doubles.^[1][5]

Category	Winners	Runners-up	Score
Men's singles	George Allen (Sir George Thomas)	William Swinden	15–9, 14-17, 15-5
Women's singles	Kitty McKane	Margaret Tragett	11–6, 11-5
Men's doubles	Archibald Fee (Archibald Engelbach) &Raoul du Roveray	J. H. Colin Prior &Herbert Uber	15–13, 15–8
Women's doubles	Violet Elton &Lavinia Radeglia	D. Harvey &Mrs Reynolds+	17-15, 5–15, 15–10
Mixed doubles	George Allen (Sir George Thomas) &Hazel Hogarth	Guy Sautter & D. Harvey	15-12, 15-12

+ alias

	Second round							Quarterfinals							Semifinals							Final
		George Allen	15	15
		Herbert Uber	11	4
									Allen	15	3	15
									Sautter	12	15	12
		Guy Sautter	15	15
		J. H. Colin Prior	3	5
																Allen	15	15
																Millar	8	8
		Jackson W. Millar	15	15
		A. Mackinnon	6	6
									Millar	w/o
									Devlin	scr
		Frank Devlin	15	12	17
		A. K. Jones	8	15	14
																							Allen	15	14	15
																							Swinden	9	17	5
		W. T. Henderson	15	15
		R. G. P. Hunter	12	12
									Henderson	15	15
									Parsloe	0	6
		Douglas Parsloe	15	15
		C. W. Hordern	5	5
																Henderson	1	15	3
																Swinden	15	12	15
		A. G. Macdonnell	15	15
		J. K. James	6	6
									Macdonnell	11	9
									Swinden	15	15
		William Swinden	15	15
		Bertrand Peek	0	10

	First round							Quarterfinals							Semifinals							Final
		Kitty McKane	11	11
		Violet Baddeley	2	5
									McKane	11	11
									Wheelwright	1	0
		A. Wheelwright
																McKane	11	11
																Radeglia	4	1
		Lavinia Radeglia
									Radeglia
																							McKane	11	11
																							Tragett	6	5
		Margaret Tragett
									Tragett	11	13
									Snaith	0	11
		Marguerite Snaith
																Tragett	11	11
																Aitken	2	2
		D. M. Aitken
									Aitken	11	6	11
									Hogg	2	11	4
		Miss A. M. Hogg

	Semifinals							Final
	Archibald Engelbach Raoul du Roveray		15	17
	Frank Chesterton Sir George Thomas		6	15
								Archibald Engelbach Raoul du Roveray		15	15
								Herbert Uber J. H. Colin Prior		13	8
	Herbert Uber J. H. Colin Prior		15	15
	A. Mackinnon K. S. Tann		2	10

	Semifinals							Final
	Violet Elton Lavinia Radeglia		13	15	15
	Kitty McKane Hazel Hogarth		18	3	11
								Violet Elton Lavinia Radeglia		17	5	15
								Miss D. Harvey Mrs Reynolds+		15	15	10
	Miss D. Harvey Mrs Reynolds+		15	15
	Violet Baddeley E. M. Stewart		3	12

+ alias

	Semifinals							Final
	Sir George Thomas Hazel Hogarth		w/o
	Frank Chesterton Margaret Tragett		scr
								Sir George Thomas Hazel Hogarth		15	15
								Guy Sautter Miss D. Harvey		12	12
	Guy Sautter Miss D. Harvey		15	15
	Raoul du Roveray Christina Douglass		1	3

• All England Open Badminton Championships
• 1920 in English sport
• All England Open Badminton Championships in London
• 1920 in badminton
• March 1920 sports events in the United Kingdom
• 1920 in sport in London

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• Short description is different from Wikidata
• Use dmy dates from April 2022