Robert Thornton took the early lead, with the Scottish Veteran completing a clean sweep with four wins from four, dropping just seven legs along the way.
Blom, who entered Wednesday in 4th on only 10 points from the opening two days of Group A, topped the group overall and incredibly secured an automatic place in Saturday’s finale
Cocks, who entered Tuesday’s play on 8 points from the opening day of Group A, won four matches from five to maintain his position at the top of the table