Ky Smith will make his William Hill World Darts Championship debut in December after winning the DPA Oceanic Masters on Saturday.
Smith came through a field of 82 players across five venues around Australia, defeating fellow-youngster Bailey Marsh 6-2 in the final with a 94.26 average.
Queenslander Smith, 19, earlier defeated experienced New Zealander Rob Modra in the semi-finals and number one seed Tim Pusey in the quarter-finals.
Smith's World Championship appearance will be his first in a televised PDC event.
2021 DPA Oceanic Masters
Saturday October 30
Quarter-Finals
Ky Smith 6-5 Tim Pusey
Rob Modra 6-2 Robbie King
Ray Smith 6-3 Brendon McCausland
Bailey Marsh 6-5 James Bailey
Semi-Finals
Ky Smith 6-4 Rob Modra
Bailey Marsh 6-3 Ray Smith
Final
Ky Smith 6-2 Bailey Marsh