Andy Crofts' second-half goal earned Brighton their first win of the season at the expense of Birmingham.
Birmingham, who also lost their opening home match 1-0 to Watford, could count themselves unlucky as they twice hit the woodwork in the second half but it was Crofts' clinical 73rd-minute strike which proved the difference as new Brighton coach Oscar Garcia celebrated his maiden win in the hotseat.
The referee blows for the end of the match.
Paul Robinson delivers a throw in.
Clearance by Inigo Calderon.
Free kick taken by Paul Robinson. The ball is delivered by Paul Robinson.
Ashley Barnes goes into the referee's book for unsporting behaviour.
Free kick awarded for a foul by Ashley Barnes on Koby Arthur.
The ball is kicked out by Tomasz Kuszczak.
Headed shot by Dan Burn.
The ball is delivered by Neal Eardley.