 After investigations of allegedly using prohibited stimulant methylhexaneamine at the 2012 SAP Open on 14 February 2012 he was found guilty by the International Tennis Federation on 15 May and retroactively banned for two years dating back from the said tournament.On 5 October 2012 it was announced that the Court of Arbitration for Sport has partially upheld the appeal by Dimitar Kutrovsky against the decision of the independent tribunal dated 15 May 2012.The panel's decision was that the appropriate period of ineligibility should be fifteen months and the Bulgarian will be eligible to participate on 14 May 2013.