Blues have not had the pleasure of the Hampshire-based official refereeing any of their games so far this season but Mr Styles has taken charge of one Leeds fixture.
The one Leeds game that Rob Styles took charge of was in their 1-0 away defeat to Crystal Palace back on 13th August when former Blues striker Geoff Horsfield was shown a red card. Garry Kelly and Matthew Kilgallon also picked up yellow cards at Selhurst Park on that day.
In total Rob Styles has taken charge of 32 games so far this season in which he has handed out 106 yellow cards and 8 reds.
S Artis and R Pollock will be Rob Styles' assistants for the game at St Andrew's on Tuesday night.
For a detailed head-to-head between the two sides, click here