mo4ch:>Roger Federer to face Serena Williams at Hopman Cup's mixed doubles | Mo4ch News
Swiss tennis icon Roger Federer says is looking forward to playing against US star Serena Williams at the mixed doubles Hopman Cup, which kicks off on Saturday in Perth, Australia.The group stage of the tennis tournament will see Federer team up with Belinda Bencic, testing American great Williams, who will perform with rising US talent Frances Tiafoe.Also on rt.com'Woman' of the Year: GQ slammed for quote marks on Serena Williams coverThe holder of 20 major singles titles, Federer, who is eyeing third successive Australian Open crown called the upcoming game a “once-in-a-lifetime” match-up which he is waiting for with excitement.“We'll probably play it down a little bit and say it's not that big of a deal for us, it's just another tennis match, but it really isn't because it's probably going to happen once and never again," Federer said.READ MORE: Roger Federer planning 'crazy good' tennis season in 2019“That's why I hope we're both go…