He then represented Hong Kong in the World Cup of Darts alongside Royden Lam, but they lost out in the first round to the Russian pairing of Boris Koltsov and Aleksandr Oreshkin.

Leung won the 2017 North & East Asia Qualifier for the 2018 PDC World Darts Championship, where he lost 2–0 to Paul Lim in the preliminary round.

Leung won a two-year PDC Tour Card on 17 January 2020, beating Lisa Ashton 5–4 in the play-off match at UK Q-School.

[4] In 2022, Leung was runner up at the 2022 Isle of Man Masters, losing to Ryan Hogarth of Scotland 4-5 in the Final.

[6] Leung competed again in the 2024 WDF World Darts Championship at the Lakeside and started in the Second round as a seeded player against Paul Lim.