 Sedgbeer made his List-A debut for the Somerset Cricket Board in the 1999 NatWest Trophy against Bedfordshire.In 2000 he played 2 List-A matches for Huntingdonshire in the 2000 NatWest Trophy against the Hampshire Cricket Board and the Yorkshire Cricket Board.In 2001 he once again played for the Somerset Cricket Board against Wales Minor Counties in the 2001 Cheltenham & Gloucester Trophy and later that year he played for the Board in the 2nd round of the 2002 Cheltenham & Gloucester Trophy against Norfolk which was played in September 2001.