2021 Adelaide International – Singles

Ashleigh Barty was the defending champion,^[1] but she lost in the second round to Danielle Collins, in a rematch of the previous year's semifinal.^[2]

Singles
2021 Adelaide International
Champion	Iga Świątek
Runner-up	Belinda Bencic
Score	6–2, 6–2
Draw	28 (6 Q / 4 WC )
Seeds	8

Main article: 2021 Adelaide International

Iga Świątek won the title, defeating Belinda Bencic in the final, 6–2, 6–2.^[3] Świątek did not drop a set throughout the entire tournament.^[4]

Seeds

The top four seeds received a bye into the second round.

1. Ashleigh Barty (second round)
2. Belinda Bencic (final)
3. Johanna Konta (second round)
4. Elise Mertens (withdrew)
5. Iga Świątek (champion)
6. Petra Martić (second round)
7. Yulia Putintseva (second round)
8. Wang Qiang (second round)

Draw

Finals

	Semifinals							Final
	5	Iga Świątek	6	6
		Jil Teichmann	3	2
								5	Iga Świątek	6	6
								2	Belinda Bencic	2	2
	Q	Coco Gauff	62	77	2
	2	Belinda Bencic	77	64	6

Top half

	First round							Second round							Quarterfinals							Semifinals
								1/WC	A Barty	3	4
		S Zheng	65	1					D Collins	6	6
		D Collins	77	6												D Collins	2	0r
	WC	S Stosur	7	5	4										5	I Świątek	6	3
	Q	M Inglis	5	7	6			Q	M Inglis	1	3
	Q	M Brengle	3	4				5	I Świątek	6	6
	5	I Świątek	6	6																		5	I Świątek	6	6
																							J Teichmann	3	2
								LL	C McHale	4	1
		A Sevastova	6	6					A Sevastova	6	6
		C Garcia	2	4												A Sevastova	4	710	5
		J Teichmann	6	77												J Teichmann	6	68	7
		K Mladenovic	2	65					J Teichmann	3	6	6
	WC	O Gadecki	4	3				8	Q Wang	6	3	3
	8	Q Wang	6	6

Bottom half

	First round							Second round							Quarterfinals							Semifinals
	6	P Martić	4	6	7
	Q	L Samsonova	6	0	5			6	P Martić	7	3	4
	Q	J Paolini	4	77	2			Q	C Gauff	5	6	6
	Q	C Gauff	6	64	6										Q	C Gauff	2	6	6
		S Rogers	6	77												S Rogers	6	4	4
		V Kudermetova	3	64					S Rogers	6	6
								3	J Konta	2	2
																						Q	C Gauff	62	77	2
	7	Y Putintseva	6	6																		2	B Bencic	77	64	6
		L Siegemund	4	4				7	Y Putintseva	4	7	1
	Q	S Sanders	6	6				Q	S Sanders	6	5	6
	WC	A Tomljanović	1	2											Q	S Sanders	2	4
		A Blinkova	65	6	2										2	B Bencic	6	6
	LL	M Doi	77	3	6			LL	M Doi	1	3
								2	B Bencic	6	6

Qualifying

Seeds

1. Coco Gauff (qualified)
2. Bernarda Pera (first round)
3. Christina McHale (qualifying competition, lucky loser)
4. Madison Brengle (qualified)
5. Misaki Doi (qualifying competition, lucky loser)
6. Jasmine Paolini (qualified)
7. Wang Yafan (first round)
8. Kaja Juvan (qualifying competition)
9. Caty McNally (qualifying competition)
10. Liudmila Samsonova (qualified)
11. Astra Sharma (qualifying competition)
12. Maddison Inglis (qualified)

Qualifiers

1. Coco Gauff
2. Storm Sanders
3. Maddison Inglis
4. Madison Brengle
5. Liudmila Samsonova
6. Jasmine Paolini

Lucky losers

1. Misaki Doi
2. Christina McHale

Qualifying draw

First qualifier

	First round							Qualifying competition
	1	Coco Gauff	6	6
		Francesca Jones	1	4
								1	Coco Gauff	3	7	6
								8	Kaja Juvan	6	5	3
		Lizette Cabrera	4	3
	8	Kaja Juvan	6	6

Second qualifier

	First round							Qualifying competition
	2	Bernarda Pera	2	6	3
	WC	Storm Sanders	6	4	6
								WC	Storm Sanders	6	6
								9	Caty McNally	2	3
		Ankita Raina	1	3
	9	Caty McNally	6	6

Third qualifier

	First round							Qualifying competition
	3	Christina McHale	6	6
	WC	Ivana Popovic	4	4
								3	Christina McHale	6	2	1
								12	Maddison Inglis	4	6	6
	WC	Belinda Woolcock	4	4
	12	Maddison Inglis	6	6

Fourth qualifier

	First round							Qualifying competition
	4	Madison Brengle	6	6
		Destanee Aiava	2	2
								4	Madison Brengle	6	6
									Ellen Perez	3	2
		Ellen Perez	6	6
	7	Wang Yafan	1	4

Fifth qualifier

	First round							Qualifying competition
	5	Misaki Doi	7	6
		Arina Rodionova	5	1
								5	Misaki Doi	66	3
								10	Liudmila Samsonova	78	6
	WC	Kimberly Birrell	3	2
	10	Liudmila Samsonova	6	6

Sixth qualifier

	First round							Qualifying competition
	6	Jasmine Paolini	4	6	77
		Asia Muhammad	6	3	63
								6	Jasmine Paolini	3	6	6
								11	Astra Sharma	6	2	1
		Lesia Tsurenko	4	6	1
	11	Astra Sharma	6	4	6