At a time when the Terriers are in sixth position, Blues are down in 19th place after losing five of their last six fixtures.
Ahead of three fixtures with Blackburn Rovers, Luton Town and Hull City, Carlos Corberan would have acknowledged that his team needed to accumulate a significant number of points to remain satisfied with their start to the season.
Two home victories and an away goalless draw inbetween means that Corberan will be delighted, the Terriers now sitting just three points adrift of third-placed Fulham.
Huddersfield could do with a regular goalscorer, their 18 strikes in the Championship this season remarkably being shared between 12 players.
Nevertheless, after a season of struggle, the Yorkshire outfit are performing well above expectations and there is now genuine hope that they could emerge as the dark horses for promotion.
Huddersfield have also kept consecutive clean sheets for the first time this season, a total of five now coming from their 12 fixtures.
As far as Birmingham are concerned, Lee Bowyer will be increasingly worried about the lack of progress from his team since the beginning of September.
Comprehensive defeats have been accompanied by a lack of threat in the final third, and the Blues boss will recognise that he is starting to come under pressure.
Bowyer is also remaining stubborn with his use of a back three, something which is unlikely to change when faced with an opposite number who deploys the same strategy.
Barring any late fitness issues, Corberan may be prepared to stick with the Huddersfield XI which started against Hull.
Bowyer may use this game to finally hand an opportunity to winger Jordan Graham, potentially in place of Hogan or Jutkiewicz.
Troy Deeney was left on the substitutes' bench against the Baggies, but the summer arrival may get a chance on Wednesday.
Huddersfield Town possible starting lineup:
Nicholls; Pearson, Lees, Colwill; Thomas, Hogg, O'Brien, Toffolo; Sinani, Ward, Holmes
Birmingham City possible starting lineup:
Sarkic; Sanderson, Roberts, Friend; Bela, Gardner, Sunjic, Pedersen; Chong, Jutkiewicz, Graham
We say: Huddersfield Town 2-1 Birmingham City
As Huddersfield have lost a third of their Championship fixtures this season, it would be naive to completely rule out Blues. Nevertheless, the Terriers are beginning to find their stride, leading us to predict another home victory.
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