Alcaraz, Medvedev win Beijing openers as Zhang upsets Navarro
Four-time major champion Alcaraz defeated fellow 21-year-old Giovanni Mpetshi Perricard 6-4, 6-4 and faces Tallon Griekspoor of the Netherlands in round two in Beijing. Alcaraz, who went out in the second round of the US Open last month, made a blistering start against the 51st-ranked Frenchman by breaking serve in the first game.