Chesterfield’s pre-season programme will conclude with a game at home to Grimsby Town.
The Mariners, who were relegated to the National League at the end of last season, will visit the Technique Stadium on Saturday, August 14 (3pm).
The National League season gets underway a week later when the Spireites travel to Aldershot Town.
Tickets for the Grimsby match will go on sale in due course.
