Marti Cifuentes takes his Leicester side back to his former club on Saturday (15:00 GMT) having moved up to eighth place in the Championship following a run of seven points from their past three games.
QPR would move above the Foxes with a win at Loftus Road.
None of the past 11 league meetings between QPR (five wins) and Leicester (six) have been drawn, with the Hoops winning 2-1 last time out in March 2024.
Leicester have alternated between defeat (three) and victory (three) in their past six away league games against QPR, winning 2-1 on their last visit in October 2023.