Marta Kostyuk stuns 4-time champ Iga Swiatek in Paris
Marta Kostyuk advanced to the quarterfinals of the French Open for the first time and spoiled four-time champion Iga Swiatek's birthday with a 7-5, 6-Marta Kostyuk advanced to the quarterfinals of the French Open for the first time and spoiled four-time champion Iga Swiatek's birthday with a 7-5, 6-