For the second consecutive day Sunday Olapade extended his advantage by finishing at 9-under par for the tournament and taking a 4-shot lead into the final round of the season finale.
In his third round at the Tour Championship, Olapade stayed focus and continued to play his best golf as recorded six birdies and two bogeys.
Vincent Torgah is closest pursuant at 5-under par overall after carding 4-under par 68, his best round at the Tour Championship so far.
First round leader, Gift Willy posted 2-over par 73 and is eight shots off the lead at 1-under.
Visitor Mapwanya finished his day at 1-over par for the tournament and is in 4th while Kingsley Oparaku closed at 3-over par and is in 5th place.
Who will hoist the Tour Championship trophy tomorrow? Sunday Olapade is in pool position to win the Championship but Vincent Torgah has steadily come closer to be on his heels.