Marta Kostyuk Stuns Iga Swiatek on Her Birthday to Reach a First French Open Quarterfinal
PARIS (AP) — Marta Kostyuk reached the quarterfinals at the French Open for the first time on Sunday by taking out four-time champion Iga Swiatek 7-5, 6-1 and ruining her birthday. Kostyuk, who is undefeated on clay this season, had lost their three previous matches and never taken a set against the former top-ranked player, …