US
World number one beats Yastremska 6-2 7-5 in final
World number one headlines new event which is part of revised calendar
World number ones Nadal, Barty lead field at 115th edition of tournament
Australian hopes to earn coveted medal for country at Tokyo Olympics
World number one wants to help Australia win their first silverware in 45 years
Australian world number one says she has ‘never been happier’
Australian will head to London trying to join an elite list of greats to win French Open and Wimbledon back-to-back
23-year-old displaces Japan's Naomi Osaka as women's world number one
Australian beats Czech fifth seed Pliskova 7-6, 6-3 to lift silverware
Swiss books Miami Open semi-final against Canadian starlet with a ruthless 6-0 6-4 destruction of Kevin Anderson