Ryan Hedges' stunning second-half strike gave Barnsley their first Championship victory of the season as they halted Nottingham Forest's three-game winning run with an entertaining 2-1 success at Oakwell.
Matty Pearson's early header gave the Tykes the lead, but Daryl Murphy restored parity in the 26th minute after the hosts had wasted a host of chances to increase their advantage.
Hedges brilliantly fired Barnsley back ahead after 50 minutes and, despite the odd scare or two, the home side held on to claim the points.
Injury-hit Birmingham were held to a goalless draw by Bolton in the Championship clash at St Andrew's.