Devooght won the Dutch Open back to back in 1984 and 1985 and then captured the Swiss Open in 1986. He then played in the 1987 BDO World Darts Championship, beating Avtar Gill 3-1 in the first round before losing to former World Champion Jocky Wilson 3-1 in the second round. After a five-year absence, he returned to Lakeside at the 1992 BDO World Darts Championship where he was defeated by Englishman Graham Miller 3-1 in the first round.