Iga Swiatek's incredible achievement involved winning a singles title and then competing in two grueling mixed doubles matches.
Her partner, Casper Ruud, praised her stamina and determination, noting her late arrival at the hotel after the matches.
Despite the intense 24-hour period, Swiatek and Ruud remarkably reached the US Open mixed doubles semifinals.
Their success reflects Swiatek's impressive athleticism and the effectiveness of their collaborative strategy on the court.
