Serena battles into second round

Champion Serena Williams fretted through 65 minutes of uncertainty before starting a successful defence of her Wimbledon title against China’s Jie Zheng on Centre Court.

A 6-3 6-1 win looks a comfortable stroll on paper, but Williams struggled through a cluster of unforced errors and needed her awesome forehand and serving power to cover the cracks in her game against a battling opponent who often matched her for craft and technique.