Van Barneveld reached the quarter final of the 2018 PDC World Darts Championship, losing to Michael van Gerwen 5–4. He reached his first premier event final for three years at the 2018 Masters, being defeated by Van Gerwen. Partnering Van Gerwen at the 2018 PDC World Cup of Darts, the Dutch duo retained their title, beating the Scotland pair of Gary Anderson and Peter Wright.