Striker Levi Amantchi scored in either half, as the youth team beat Doncaster Rovers 2-1 in the EFL Youth Alliance North East on Saturday.
Amantchi's first came after he latched on to Ify Ofoegbu's header, before slotting the ball through the legs of the on-running goalkeeper.
In the second half, good pressing down the Spireites' left forced a defender to clear the ball only as far as Charlie Wakefield, who beat the full back before finding Amantchi inside the penalty area, the striker then doubled his and his team's tally with a fine left footed effort.
The hosts pulled goal back from a free kick in the closing stages, but the Spireites held on to record their eighth win in their last 11 matches.
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Chesterfield XI: Marris, Howard, Render, Hand, Sharman, Holmes, Sennett-Neilson (Walker 57'), Ofoegbu (Turner 65'), Russ (Rawson 23'), Wakefield (C) (Bradbury 87'), Amantchi (Emery 73').