Roger federer difficult resistance failure in Switzerland Dispatch of sina sports Beijing time on January 6, 2017 hopman cup into the last day. In the focus of a battle, federer in 6-1/6-4 win, kratos, help the lead in Switzerland. But then France's outstanding performance of maillard Norwich, eventually help France 2-1 reverse Switzerland, finalists will compete for the hopman cup this year with the United States. In this...