Bernd Wiesberger has the upper hand in the Race to Dubai but Tommy Fleetwood, winner in 2017, is hot on the Austrian's heels.
A new caddie will be assisting Rory McIlroy in Dubai as the world number two aims to finish an outstanding 2019 on a winning note.
Tommy Fleetwood sparkled in Sun City with a magnificent final round and held his nerve in a play-off to claim a fifth European Tour title.
South African Zander Lombard sits on top of the leaderboard after the second round of the Nedbank Challenge on Friday.
Louis Oosthuizen was awake at 3am with kidney stone pain, but the South African later produced a superb round to lead the Nedbank Challenge.
Tommy Fleetwood was approaching the end of his first round at Sun City when a group of mongooses took a liking to his golf ball.
Rory McIlroy has a three-shot deficit to make up in the final round of the European Masters, with Argentina's Andres Romero leading the way.
Rory McIlroy continued his dazzling form with a classy seven-under-par 63 on Friday to move into European Masters title contention.
Justin Thomas moved top of the FedEx Cup standings after his win at the BMW Championship.
World number one Brooks Koepka celebrated a three-stroke victory after carding a five-under-par 65 in Memphis on Sunday.