On 27 June, 21 July and 31 July 2006 Tiisanoja tested positive for testosterone; he admitted that his A test was accurate and did not request that his B sample be analyzed. Tiisanoja is banned from competing for two years and has been fined EUR 50,000.
In June 2006, Tiisanoja tested positive for testosterone on three separate occasions: June 27th, July 21st, and July 31st. He acknowledged the accuracy of his A sample but declined to have his B sample analyzed. As a result, he was banned from competing for two years and fined EUR 50,000.