Petra Kvitova defeated Jessica Pegula 7–6, 6–4 in their round-robin match at the United Cup on hard court on 30 December 2022. The Czech left-hander secured a tight opening set via tiebreak before consolidating her advantage in the second, closing out the contest in straight sets. The victory marked a solid start for Kvitova in the tournament's group stage and demonstrated her ability to compete at the highest level early in the season. The result strengthened Kvitova's position in the round-robin standings.