The R's boss has had an injury crisis on his hands in recent weeks with key men such as Marc Bircham and Paul Furlong out injured but saw their replacements perform well in last week's 0-0 draw at Wigan.
With QPR not involved in either promotion or relegation battles, Holloway will give the likes of Shabazz Baidoo, Luke Townsend and Stefan Bailey another chance to impress.