Șerban Mumjiev had the following finishes at major championships – 1995 World Championship: 62.0 kg. Freestyle (5th); 1998 World Championship: 63.0 kg. Freestyle (10th); 1994 World Championship: 62.0 kg. Freestyle (11th); 1999 World Championship: 63.0 kg. Freestyle (21st); 1997 World Championship: 63.0 kg. Freestyle (29th); 1998 European Championship: 63.0 kg. Freestyle (4th); 1999 European Championship: 63.0 kg. Freestyle (4th); 1997 European Championship: 63.0 kg. Freestyle (5th); 1995 European Championship: 62.0 kg. Freestyle (7th); 1996 European Championship: 62.0 kg. Freestyle (7th); 2000 European Championship: 63.0 kg. Freestyle (18th).