In 1990, he caused a major shock, beating former world champion Bob Anderson in the first round.
He repeated this performance in 1993, beating Bernd Hebecker in the first round but lost to 1992 runner-up Mike Gregory.
After the 1994 Danish Open, Hoffmann stopped playing due to heart problems.
[1] However in 2006, Hoffmann returned to the oche at the Players Championship in the Netherlands, operated by the Professional Darts Corporation.
[2] He partnered Laursen once again in the 2013 World Cup of Darts and despite beating South Africa 5–4 in their first match, they finished bottom of Group B on leg difference following a 5–0 loss to the Republic of Ireland.