In a stunning upset at the French Open, Marta Kostyuk defeated four-time champion Iga Swiatek in straight sets, marking a pivotal moment for Ukrainian tennis. This victory not only eliminates Swiatek from the tournament on her birthday but also guarantees a first-time champion at Roland Garros, as no previous French Open winners remain in the draw. Kostyuk is set to face fellow Ukrainian Elina Svitolina in the quarterfinals, further highlighting a remarkable day for Ukraine in the tournament.