The last time the sides met in the Championship was at the same stage two years ago when the Dubs had 16 points to spare.
2013 player of the year, Michael Darragh MacAuley says that alertness is key for Dublin this summer after defeat to Donegal last year.
Throw-in in Croke Park is at 4pm, with the same counties meeting in the minors from noon.
In between the Dublin – Kildare double-header is the other Leinster Senior Football Championship semi-final as Meath take on Westmeath
Westmeath have never beaten Meath in Championship football, but Cian Ward reckons Lake County's turbulent league experiences in recent could prove fruitful for them this afternoon.
It's a 2pm start in that one
There's one more round 1B qualifier match to play today, too, with Tyrone welcoming Limerick to Omagh.
Throw-in in Healy Park is at 4.
