Cheltenham made their final substitution on 73 minutes when big front man Alsop was brought on for Goodridge.
Hadley lobbed a shot over the cross-bar a minute later after indecision in the home defence allowed him the chance. Stewart Hadley
Webb blazed a 20 yard effort wide as Harriers upped the pressure.
And they made a double substitution 10 minutes from time when midfield man MacKenzie replaced Webb and Ducros came on for Broughton.
Corbett was Harriers final substitution on 89 minutes taking to the field in place of Doyle.
Tempers ran high throughout most of the game and Medou-Otye was cautioned after a tussle with Yates.
Book had to tip over a thunder bolt from MacKenzie who seized on a square free-kick from MacKenzie 25 yards from goal.
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