Maria Sharapova is struggling for full fitness after heavy schedule next week 's . Belorussian Open champion will also miss next week 's Flushing Meadows . Belarus star is hoping to make it past fourth round at Flushing Meadows for first time . Second -ranked Maria Sharapova withdraws from fourth consecutive event due to illness .
Victoria Azarenka is struggling for full fitness after heavy schedule this season . Australian Open champion will also miss next week 's Cincinnati Masters . Belarus star is hoping to make it past fourth round at Flushing Meadows for first time . Second-ranked Maria Sharapova withdraws from second consecutive event due to illness .