Wimbledon 2016: Serena Williams toils to scrappy opening victoryCLIVE BRUNSKILL/GETTY IMAGES Serena Williams struggled with her serve during first round victory over Swiss qualifier Amra Sadikovic. Defending champion Serena Williams stuttered to a low-key and error-strewn 6-2 6-4 first-round victory over Swiss qualifier Amra Sadikovic on Tuesday (Wednesday NZ Time). READ MORE:* Erakovic through to Wimbledon second round* World No 772 wins in Wimbledon dreamland* Novak Djokovic saunters past Brit in first roundSign up here for the Rio Olympics: Going for Gold newsletter- Reuters Looking ill-at-ease, as though her quest for an elusive 22nd grand slam title was weighing heavily on her shoulders, Williams struggled with her serve and sprayed balls wide on both sides of the court. She served three double faults in the fifth game of the first set.

Source: Stuff June 28, 2016 14:26 UTC