Uhlsport Hellenic League Premier Division side Flackwell Heath put up a good fight against Reading FC under 23s on Tuesday night but it is the Royals who were in the draw for the Berks & Bucks County FA Senior Cup at Thursday lunchtime.
On Wednesday night, Maidenhead United earned their place in the last four with a 2-1 win over Aylesbury United while Marlow beat MK Dons 1-0.
In mid January, Slough Town booked their place with a 2-1 win at fellow Vanarama National League South side Hungerford Town.
The Berks & Bucks FA Senior Cup Semi Final draw
Maidenhead United vs Reading FC
Marlow vs Slough Town