Women’s tennis world No. 1 Serena Williams has withdrawn from next week’s Swedish Open due to her viral illness.
Williams was forced to pull out of her doubles match with her sister Venus at Wimbledon last week after struggling in the warm-up and requiring treatment from the doctor.
She decided to withdraw from the encounter following the third game after serving four successive double faults and appearing to struggle with her vision.
Williams, who won the Swedish Open last year, said: