As an amateur, Brähmer accumulated 95 wins in 100 fights including victories against Ricky Hatton in 1996, Felix Sturm in 1997 and Carl Froch in the final at the German championship in 1998.
Som en amatør fik Brähmer 95 sejre i 100 kampe, herunder sejre over Ricky Hatton i 1996, Felix Sturm i 1997 og Carl Froch i finalen om det tysk mesterskab i 1998.