Romania’s Simona Halep returns the ball to Russia’s Darya Kasatkina during their third-round  match at the French Open at  Roland Garros  in Paris. Photograph:  Lionel Bonaventure/AFP/Getty Images

Title contender Simona Halep pulled through against young pretender Daria Kasatkina in a French Open rollercoaster on Saturday, winning 6-0 7-5 after(...)