Carlsson competed at all championships from 1979 to 1989. His best result was in the doubles where he won gold together with Mikael Appelgren in 1985.
European Championships
He took part at all European championships between 1980 and 1988. He won the team tournament in 1980 and 1986 as part of the Swedish team. He took silver in the Double together with Mikael Appelgren in 1986.
Other International Tournaments
His best places in Europe Top-12 were 4th and 6th. He won the European League in 1986 as part of the Swedish team.