The 12-year-old, nicknamed Beau ‘n’ Arrow, has enjoyed a sensational year, winning the England Classic, The England Matchplay, the Yorkshire Classic, The Welsh Open and, in August, the European Cup.
Greaves, from Sprotbrough, has been tipped to become the first female millionaire darts player.
The Ridgewood School pupil won the Doncaster and District Men’s under-30 league last year and, this summer, shared the oche with world number one, Michael Van Gerwen (pictured).