See main article: 2021 Challenger de Santiago.
Hugo Dellien was the defending champion[1] but chose not to defend his title.
Sebastián Báez won the title after defeating Marcelo Tomás Barrios Vera 6–3, 7–6(7–4) in the final.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "2021 Challenger de Santiago – Singles".
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