SA seek to build lead over Bulls after openers fall

Jack Wildermuth claimed two vital SA wickets to stymie the progress of the visitors in Brisbane. (Jono Searle/AAP PHOTOS) (AAP)

South Australia have suffered early setbacks at the top of the order as they look to set Queensland a challenging target in their must-win Sheffield Shield match at the Gabba.

At lunch on day three, South Australia are 3-79, a lead of just 61 over the home side.