Former world number one Serena Williams marched into the quarter-finals of the French Open for the fourth conseive year on Sunday, easing past Japan's Shinobu Asagoe 6-3 6-1.

The second seed, beaten by eventual champion Justine Henin-Hardenne in the semi-finals last year, hammered 24 winners as she wrapped up victory in just 55 minutes.
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Williams dropped her serve in the opening game of the match as the world number 52 Asagoe took an early 2-0 lead, but the American hit back to take the first set in 28 minutes.
Her confidence lifted, Williams breezed through the second set to set up a meeting against either fellow American and seventh seed Jennifer Capriati or 17th seed Francesca Schiavone of Italy.
Follow India news real-time updates and the latest news covered on Hindustan Times, featuring today's critical updates on Sonam Wangchuk LIVE and more across India.
Follow India news real-time updates and the latest news covered on Hindustan Times, featuring today's critical updates on Sonam Wangchuk LIVE and more across India.
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