Article Photos: Murray hasn't heard of any US Open boycott plans

France's Jeremy Chardy celebrates after winning his fourth round match against Italy's Andreas Seppi at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 21, 2013. (AP Photo/Rob Griffith)

France's Jeremy Chardy celebrates after winning his fourth round match against Italy's Andreas Seppi at the Australian Open tennis championship in Melbourne, Australia, Monday, Jan. 21, 2013. (AP Photo/Rob Griffith)