Slovakia's Karol Beck has been banned for two years after testing positive for a banned substance.
Beck will be eligible to return from 31 October, 2007
The 23-year-old tested positive for clenbuterol in a sample given during the Davis Cup semi-final against Argentina on 24 September.
Beck was ranked 57 at the time of the Davis Cup final, which Slovakia lost 3-2, and is now ranked 85. He has not played in 2006.
The two-year ban is taken to have started on 1 November, 2005.