South Australia 322 for 6 (Weatherald 152, Cooper 34, Moody 3-84) trail Western Australia 514 for 7 dec. (Bancroft 228*, Marsh 95, Mennis 3-127) by 192 runs
Cameron Bancroft's chances of Ashes selection strengthened after finishing the first day against South Australia unbeaten on 161. He improved his chances further, showing an ability to bat long, en route to his highest first-class score (228*) on the second day.
His 351-ball innings, which included 22 fours and three sixes, carried Western Australia to 514 for 7 before captain Mitchell Marsh declared the innings.
Jake Weatherald, 23, began South Australia's response with a stunning 152, off just 160 balls, also his highest first-class score. He struck 27 fours and a six to cut South Australia's deficit by half before he was caught off David Moody. South Australia finished the second day at 322 for 6, a further 192 runs behind Western Australia.
Tom Cooper (34) and Callum Ferguson (33) chipped in with cameos, before Alex Carey (26*) and Joe Mennie (21*) carried South Australia to stumps. Moody finished with figures of 3 for 84.