News Marta Kostyuk Upsets Iga Swiatek at 2026 French Open to Reach Quarterfinals by News Editor — Claire Donovan May 31, 2026 by News Editor — Claire Donovan May 31, 2026 Marta Kostyuk secured a breakthrough victory at the 2026 French Open on Sunday, defeating four-time champion Iga Swiatek in … 0 FacebookTwitterPinterestEmail