Gary Rowett’s side got the better of Hull 1-0 at home in the Championship on Thursday evening.
Arsenal-owned attacking midfielder Jon Toral scored the only goal of the game in the 14th minute at St Andrew’s.
Over the course of the 90 minutes at St Andrew’s on Thursday evening, hosts Birmingham had just 37% of the possession, took 11 shots of which just three were on target, and took four corners.
Visitors Hull had 63% of the possession, took 24 shots of which only six were on target, and earned four corners.
Birmingham are now seventh in the Championship table with 54 points from 34 matches, a point behind sixth-placed Sheffield Wednesday.
Meanwhile, Hull currently find themselves second in the standings with 64 points from 34 matches, just a point behind leaders Burnley.