Frances Tiafoe defeated Nicolas Mejia 4–6, 6–3, 7–6 in a Davis Cup Finals round-robin match on hard court on 28 November 2021. After dropping the opening set, Tiafoe regrouped to level the contest before securing a tight decider that went to a tiebreak. The American's comeback demonstrated resilience in a format where consistency across multiple sets proves crucial. Tiafoe's victory kept his Davis Cup campaign on track in the group stage.