Joyce joined the PDC in 2018 after a successful first attempt at Q school and after a very good first year qualified for the 2019 PDC World Darts Championship. He took out three seeded players, defeating Simon Whitlock, Alan Norris and James Wade. However, he was beaten in the quarter finals 5-1 by Michael van Gerwen. This was his debut appearance in the PDC World Championship.

In July 2020 he won his first PDC title at the Summer series pro tour event at Milton Keynes. Victories over Andy Hamilton, Luke Humphries, Chris Dobey, Madars Razma, Glen Durrant and Gary Anderson set up a final with Dave Chisnall. Ryan winning 8–7.