Roger Federer found himself overmatched _ just _ by a younger and stronger-serving opponent on Wednesday, losing 7-6 , 6-7 , 7-6 to 19-year-old Alexander Zverev of Germany at the Hopman Cup Roger Federer loses close match to Zverev at Hopman Cup Roger Federer found himself overmatched _ just _ by a younger and stronger-serving opponent on Wednesday, losing 7-6 , 6-7 , 7-6 to 19-year-old Alexander Zverev of Germany at the Hopman Cup Check out this story on USATODAY.com: http://usat.ly/2j39V5R FILE – In this July 8, 2016, file photo, Roger Federer of Switzerland returns to Milos Raonic of Canada during their men’s semifinal singles match at the Wimbledon Tennis Championships in London.