Reds will face Saltdean United in the semi-final of the Parafix Sussex Senior Cup.
The game will take place at Culver Road, Lancing on Wednesday February 28, kick off 7.15pm.
Admission prices will be confirmed as soon as possible.
The other semi is between Brighton & Hove Albion and Pagham and takes place on March 13.
The final is scheduled for the AMEX on Wednesday, May 9, kick off 7.45pm.
Saltdean beat Isthmian Premier Burgess Hill in the quarter-finals 2-0 and are currently seventh in the Southern Counties premier division.