The Reds travel to London to take on the R’s.
Harsley’s side have started their campaign in good form with four points from a possible six.
An excellent win at Charlton on the opening day courtesy of Dylan Mottley-Henry’s winner was followed up by an entertaining match against Colchester at Oakwell, which saw the visitors level the scores late on in a match that finished 2-2.
The Reds now face an inform QPR side who have also began the season well, winning their opening two games.
Kick-off is at 1pm at the Harlington Sports Ground.
UPDATES will be posted on Twitter: @AcademyBFC