The two Round 4B matches of the All-Ireland SFC qualifiers will be played as a double-header at Croke Park on Saturday, July 29.
Down will take Monaghan in a repeat of this year's Ulster semi-final at 5pm, while Armagh manager Kieran McGeeney will face his former Kildare charges at 7pm.
Both games will be shown live on Sky Sports. Croke Park will be unavailable next weekend due to a U2 concert.
Saturday, July 29
All-Ireland SFC Qualifier Round 4B
Down v Monaghan, Croke Park, 5pm (Sky Sports)
Armagh v Kildare, Croke Park, 7pm (Sky Sports)