His greatest asset was his powerful serve, and his game was therefore best suited to fast surfaces (grass and hardcourt)[citation needed].

[1] Two times the award went to the Danish Davis Cup team, of which Kenneth Carlsen until 2003 was a central part (having a 29–13 record in singles).

He turned full-time professional in 1992, and his breakthrough as senior in a major tournament came at the Copenhagen Open where he beat top-20 player Alexander Volkov in the first round.

He played a total of 46 Grand Slam events during his career, and used to hold the record for most first-round exits for a long time: 30.

But he was surpassed by Albert Montañés at 2014 Australian Open where he reached 31 career Grand Slam first-round exits.

[3] On 27 June 2007 he announced that he would retire from professional tennis,[4] and he played his last ATP match in first round of the Stockholm Open on 10 October 2007.

[5] The week after, he played his final professional tennis match at a Challenger tournament in Kolding, Denmark.