Iga Świątek defeated Beatriz Haddad Maia 6–2, 6–2 in a United Cup round-robin match on hard court on 30 December 2023. The Polish world number one produced a dominant display, dropping just four games across two sets against the Brazilian, who offered little resistance in the encounter. Świątek's commanding performance underscored her superiority at the tournament and her readiness heading into the Australian Open season. The decisive victory extended her winning streak and reinforced her status as the clear favourite in the competition.