Italy's Andreas Seppi competes during men's singles fourth round match against Switzerland's Stan Wawrinka at the Australian Open tennis championships in Melbourne, Australia, Sunday, Jan. 22, 2017. Stan Wawrinka won 3-0. (Xinhua/Zhu Hongye)
Italy's Andreas Seppi competes during men's singles fourth round match against Switzerland's Stan Wawrinka at the Australian Open tennis championships in Melbourne, Australia, Sunday, Jan. 22, 2017. Stan Wawrinka won 3-0. (Xinhua/Zhu Hongye)