TASMANIAN native Cadby began his career playing in Darts Players Australia events in 2016 where he won seven events, topping the rankings and qualifying for the 2017 PDC World Championship.
Cadby made his TV debut against Phil Taylor in August 2016 at the Sydney Masters, losing 6-3 to the 16-time World Champion, but overturned the result just a week later at the Perth Masters, winning 6–2 with an average of 103.58.
In October 2016, Cadby defeated Berry van Peer 6-2 in the final of the PDC World Youth Championship to claim his first televised title.
In the preliminary round of the 2017 World Championship against China's Sun Qiang, Cadby won 2–0 with an average of 102.48, a record for the preliminary round.
In January 2018 Corey secured a two-year PDC Tour Card and just a month later the Australian youngster won his first PDC ranking title in the fifth UK Open qualifier, defeating reigning World Champion Rob Cross in the final with an average of 108.77.
Cadby continued his superb form by reaching the final of the 2018 UK Open, going down to Gary Anderson in the final.
Select below to see result & roll of honour information.