The Spireites will travel to Notts County next Saturday for a play-off eliminator, kick-off 4pm.
The winner of the tie will then play at Torquay United in the play-off semi-finals the following Saturday (June 12), kick-off 12noon.
The Vanarama National League play-off final is at Bristol City’s Ashton Gate on Sunday, June 20 (2pm).