Iga Swiatek and Casper Ruud have reached the semi-finals of the U.S. Open mixed doubles together - but the pair can't agree on how their partnership came about

Following her 7-5, 6-4 final win over Jasmine Paolini to earn her first Cincinnati Open title on Monday night, the world No. 2 took a private jet along with Carlos Alcaraz to New York to arrive in time for the U.S. Open mixed doubles tournament Tuesday.

Iga Swiatek and Carlos Alcaraz underlined their hard court credentials ahead of the US Open with victories over Jasmine Paolini and Jannik Sinner respectively in the women's and men's singles tournaments at the Cincinnati Open.

Swiatek and Ruud thriving as a duo in New York, reaching the US Open mixed doubles semifinal in their team debut.

Iga Swiatek is enjoying nothing but good form in the past few days. She lifted the Cincinnati Masters title on Monday by beating Jasmine Paolini, and show great resilience by winning two more matches with Casper Ruud in the US Open mixed doubles the following day.

Additionally, Swiatek has become the second player to qualify for the 2025 WTA Finals Riyadh presented by PIF following her run to the final of the WTA 1000 Cincinnati Open. The only other player to qualify is World No. 1 Aryna Sabalenka, who secured her place in Riyadh in July.

Sinner retired with apparent illness in the first set of Monday's Cincinnati Open final against Alcaraz after digging a 5-0 deficit. Sinner remained on the court for the trophy ceremony and addressed his condition while speaking with the crowd. He didn't offer specifics, but said that he "didn't feel great."

Iga Swiatek secured her spot in the Cincinnati Open final against Jasmine Paolini by defeating Elena Rybakina in straight sets, 7-5, 6-3. During the semi-final match on August 18, 2025, Świątek politely requested a camera operator to step back while she changed her top,