Serena Williams and Roger Federer set for New Year’s Day match up at Mastercard Hopman Cup in 2019   Full field for 2019 announced including four Grand Slam singles champions Serena Williams and Frances Tiafoe to play for the United States Australia to be represented by Ashleigh Barty and Matt Ebden  Tennis Australia (October 3. 2018) Two of the … [Read more...] about 2019 Hopman Cup Field Includes Serena Williams and Roger Federer