HIGHLIGHTS-Tennis-French Open day four

Highlights of the fourth day at the French Open, the final Grand Slam tournament of the year, on Wednesday (all times GMT): 1016 SERENA WILLIAMS WITHDRAWS FROM FRENCH OPEN Serena Williams's French Open campaign ended after she withdrew from her second-round match against Tsvetana Pironkova due to an Achilles injury. Men's defending champion Rafa Nadal faces American Mackenzie McDonald later in the day.

Highlights of the fourth day at the French Open, the final Grand Slam tournament of the year, on Wednesday (all times GMT): 1016 SERENA WILLIAMS WITHDRAWS FROM FRENCH OPEN

Serena Williams's French Open campaign ended after she withdrew from her second-round match against Tsvetana Pironkova due to an Achilles injury. "I really wanted to give an effort here. I'm struggling to walk so that's a tell-tale sign that I should try to recover," she told reporters.

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0909 PLAY UNDERWAY AT ROLAND GARROS Third seed Elina Svitolina began her second-round match against unseeded Mexican Renata Zarazua under the retractable roof on Court Philippe Chatrier.

Play on the outside courts began after a short delay due to rain, with showers forecast throughout the day. Men's defending champion Rafa Nadal faces American Mackenzie McDonald later in the day.