The Spireites, who missed out on the play-offs by just two points last term, then host Cheltenham on August 10 before visiting Rochdale on the following Saturday.
Mansfield make their first visit to the Proact Stadium on September 28 with the return fixture against the Stags on March 22.
Paul Cook's side host Hartlepool on Boxing Day and make the trip to Northampton on New Year's Day.
Chesterfield's run-in features back-to-back trips to Dagenham and Burton before they round off their campaign with a home clash against Fleetwood on May 3.
- Sports & Recreation