 Internationally, he was part of the Canadian WDF World Cup winning team of 1989 - the only time they have taken the team event title.Sinnaeve finished as Runner-Up in the 1986 Butlins Grand Masters, the 1987 World Cup Singles and the 1988 MFI World Matchplay, victim to Eric Bristow each time.He was also runner-up to John Lowe in the Canadian Open in 1986.