Australia Tennis

SYDNEY — Poland reached the United Cup final after Katarzyna Kawa and Jan Zielinski beat Coco Gauff and Christian Harrison 7-6 (5), 7-6 (3) in a mixed doubles decider.

Poland will face Switzerland in Sunday’s final.

Kawa and Zielinski were decisive once again, having won the mixed-doubles decider in the quarterfinals against Australia. Six-time Grand Slam singles champion Iga Świątek rushed over to join the celebrations.

Earlier, Gauff beat the No. 2-ranked Świątek 6-4, 6-2 to force a mixed-doubles decider.