2021 WTA Argentina Open

Country	Player	Rank1	Seed
EGY	Mayar Sherif	64	1
BRA	Beatriz Haddad Maia	91	2
HUN	Anna Bondár	133	3
ROU	Irina Bara	138	4
HUN	Panna Udvardy	139	5
GEO	Ekaterine Gorgodze	161	6
FRA	Diane Parry	194	7
GRE	Despina Papamichail	198	8

• ¹ Rankings are as of 25 October 2021.

The following players received wildcards into the singles main draw:

• Julieta Estable
• Sofía Luini
• Jazmín Ortenzi
• Solana Sierra

The following players received entry from the qualifying draw:

• María Victoria Burstein
• Martina Capurro Taborda
• Sol Faga
• Luciana Moyano

Before the tournament

• Susan Bandecchi → replaced by Irene Burillo Escorihuela
• Indy de Vroome → replaced by Katharina Gerlach
• Federica Di Sarra → replaced by Elina Avanesyan
• Jana Fett → replaced by Laura Pigossi
• Julia Grabher → replaced by María Lourdes Carlé
• Ylena In-Albon → replaced by Andrea Lázaro García
• Leonie Küng → replaced by Bárbara Gatica
• Gabriela Lee → replaced by Victoria Jiménez Kasintseva
• Seone Mendez → replaced by You Xiaodi
• Tereza Mrdeža → replaced by Emiliana Arango
• Renata Zarazúa → replaced by Carolina Alves

Country	Player	Country	Player	Rank1	Seed
ROU	Irina Bara	GEO	Ekaterine Gorgodze	231	1
BRA	Carolina Alves	BRA	Laura Pigossi	331	2
HUN	Anna Bondár	HUN	Panna Udvardy	419	3
CHI	Bárbara Gatica	BRA	Rebeca Pereira	470	4

• Rankings are as of October 25, 2021

The following pairs received a wildcard into the doubles main draw:

• Marina Bulbarella / María Victoria Burstein
• Martina Capurro Taborda / Luciana Moyano
• Martina Roldán Santander / Merlina Sarno

• Anna Bondár def. Diane Parry 6–3, 6–3

• Irina Bara / Ekaterine Gorgodze def. María Lourdes Carlé / Despina Papamichail 5–7, 7–5, [10–4]