The European Tour cited fears over safety as the Hong Kong Open was postponed on Wednesday.
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.
Zander Lombard recovered from a double bogey to regain the lead at Gary Player Country Club after Louis Oosthuizen had hit the front.
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 now spent 500 weeks inside the top 10 in the Official World Golf Rankings, reportedly clinching a record.
In the first ever professional golf tournament play-off to be settled under floodlights, Tyrrell Hatton clinched the Turkish Airways Open.
Martin Kaymer was left bemused after witnessing playing partner Eddie Pepperell run out of balls and depart Saturday's European Tour event.