Jasmine Paolini is used to facing pressure on the tennis court, but in Cincinnati, she’s proving she can handle more than just serves and backhands—she can handle heat, tiebreakers, and even the topic of rollercoasters and gelato with equal charm.

Iga Swiatek shrugged off lingering weariness to partner Casper Ruud to back-to-back victories in the revamped mixed doubles competition at the US Open on Tuesday.