The Olympic silver medallist, 22, is due to challenge the Ukrainian at London's O2 Arena on June 27.
But Kotelnik is recovering from a mouth operation and has demanded a postponement after a tooth infection.
Promoter Frank Warren is certain the fight will eventually go ahead but wants a replacement to fight Khan this month. Unbeaten American Lamont Peterson, the WBO champion, could step in.
This article has 1 comment
i think amir should fight john murray that would be a good fight for the brithish fans or better still a rematch with prescott.
By mick. Posted June 14 2009 at 8:52 AM.