In 2017, he qualified for the UK Open, losing in the first round. 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 &amp; East Asia Qualifier for the 2018 PDC World Darts Championship, where he lost 2–0 to Paul Lim in the preliminary round.