Shield leaders WA again dominate as Tigers flop

Corey Rocchiccioli took 4-31 to have WA on top after day one of their Shield clash against Tasmania. (Dean Lewins/AAP PHOTOS) (AAP)

Tasmania's batting has again failed to deliver as high-flying Western Australia took early control of the penultimate round Sheffield Shield match at the WACA.

WA ended day one at 1-67, trailing Tasmania by just 112 runs with the visitors bowled out for 179.