Wales international striker Rob Earnshaw scored the only goal of the game a minute before the break to give the Bluebirds victory in front of 2,456 fans at Ninian Park on Monday night.
Ashurst has promised to donate half of the proceeds from the game towards the Noahs Ark Appeal for the Childrens Hospital in Wales.
Blues: Maik Taylor (45, Bennett), Johnson, Clapham (61, Sadler), Cunningham (61, Motteram), Martin Taylor, Clemence (45, Kilkenny), Savage (45, Carter), Hughes, Barrowman (45, Morrison), Forssell (45, John), Sisic (trialist).
Cardiff City: Alexander, Weston (34, Anthony), Barker, Collins, Gabbidon, Croft (81, Perry), Boland (81, Young), Langley (61, Ledley), Parry, Lee (69, Fleetwood), Earnshaw
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