Serena Williams to Face Roger Federer in Hopman Cup Unknown 01:33 IFTTT, Top Sports News- News18.com Former world number 1 Serena Williams will be up against the Swiss ace Roger Federer in her first event at the 2019 Hopman Cup when USA taken on Switzerland in the mixed doubles. from Top Sports News- News18.com https://ift.tt/2IDuHao via IFTTT Share this Share on FacebookTweet on TwitterPlus on Google+ Related PostsChicago returns to World TeamTennis with expansion SmashDodgers, Red Sox finish deal; Betts and Price headed WestJamie McMurray breaks down the incident between Joey Logano and Kyle Busch | NASCAR RACE HUBWolters, Rockies argue cases in salary arbitrationNHL cool to Olympic participation despite IIHF assurancesNCAA filing holds firm on charges in NC State case