Iga Świątek defeated Maya Joint 6–1, 6–1 in the quarter-final of the United Cup, a WTA 250 event on hard court. The Polish world number one delivered a dominant performance, dismantling her opponent with clinical efficiency across both sets. Joint, competing at a tier well above her usual ranking, offered little resistance as Świątek controlled the match from the outset. The decisive scoreline underscores the gulf in class between the two players and Świątek's current form heading into the Australian Open season. Świątek advances to the semi-final with her ranking and tournament credentials reinforced.