The Czech tennis star, Petr Korda, has been stripped of his prize money and world ranking points from this year's Wimbledon tournament, after testing positive for drugs.

But Korda escaped a ban because the International Tennis Federation accepted his argument that he had not knowingly taken the drug, a banned steroid.

It was the first time that a Wimbledon contestant had failed a drugs test.

Korda, the Australian Open champion, said he was delighted to have been vindicated, and that he is free to carry on playing.