In the one League One game played this evenng, Charlton Athletic moved up to fifth place in the table after a 2-1 win at Portsmouth.
Ahearne-Grant fired the South East Londoners ahead in the 23rd minute. He was replaced by Nicky Ajose, who scored Charlton's second in the 43rd minute.
Former Coventry City short term winger Mark Marshall came on for Charlton against a Portsmouth side which had Green score what proved to be a consolation goal in the 88th minute.