Fox began the day well with a birdie on the par five fourth hole before dropping a shot at the sixth hole. He had a second bogey of the day two holes later at the par four fifth to go out in 36.
However he pulled things back on the back nine with three birdies. Fox sunk a 25-footer for birdie at the 16th before missing an eagle at the penultimate hole before picking up another birdie.
Fox remains in contention to qualify for the Open Championship with spots going to the top three players who yet to book a place at Carnoustie later this month. Fox sits three shots clear of missing out going into the final day.