Serena Williams OUT of French Open: Why has Williams QUIT match with Maria Sharapova?

SERENA Williams has pulled out of the French Open, shortly before facing Maria Sharapova in her fourth-round match. Williams had only recently returned to tennis after being on maternity leave following the birth of her first child.

from Daily Express :: Tennis Feed https://www.express.co.uk/sport/tennis/969222/serena-williams-out-of-french-open-press-conference-match-maria-sharapova-fourth-round
via Express