South Australia face a massive task on the final day of their Sheffield Shield match at Adelaide Oval after being set a winning target of 418 by Queensland.
The Redbacks were 0-29 at stumps on Friday, after openers Tom Cooper and Mark Cosgrove survived an awkward 11 overs at the crease, needing a further 389 runs to win.
It was another day of strong all-round performances from the Bulls, primarily led by 20-year-old batsman Sam Heazlett who top-scored with 72 for his second half-century of the match.
Chris Hartley also chipped in with 55 not out, while Australian Test opener Joe Burns again failed to fire after making a start, this time scoring 30.
SA opening bowler Chadd Sayers, set to take part in the two-Test series in New Zealand from next week, failed to make a significant impression returning figures of 2-51.
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Although facing a hefty 159-run first-innings deficit, the Redbacks gave themselves an outside chance by reducing the Bulls to 5-81 in their second dig, only for Heazlett and Hartley to take the game away from them as Queensland eventually declared at 8-258.
There was, however, a silver lining for South Australia as rookie Jake Lehmann completed his second first-class century with a sparkling knock of 126 as the Redbacks tallied 315.
Queensland entered the match in fifth place on the Shield ladder, desperately needing a win to avoid losing touch with the second-placed SA.
