Hamburg's appeal against a three-match ban for defender Slobodan Rajkovic has been rejected by the German Football Federation.
The DFB maintained on Tuesday that its decision to suspend the 22-year-old for the three next games following his red card against Kaiserslautern during their 1-1 Bundesliga encounter on Sunday will stand.
Rajkovic was sent off in the 22nd minute at the Imtech Arena for elbowing captain Christian Tiffert in the head and was subsequently handed a suspension of three matches, against which HSV lodged an appeal.
However, the DFB has now overturned Hamburg's plea, meaning that the former Chelsea centre-back will miss league games against Bayer Leverkusen, Hoffenheim and Hannover.
Rajkovic joined Hamburg from Chelsea in August and has featured in eight Bundesliga games for the German club so far this campaign.