Takumi Kanaya and Chun An Yu co-lead the Australian Open, where Louis Oosthuizen and Paul Casey are in contention.
Byeong Hun An has replaced Jason Day in the International Team for the Presidents Cup, after the Australian suffered a back injury.
Louis Oosthuizen was awake at 3am with kidney stone pain, but the South African later produced a superb round to lead the Nedbank Challenge.
International captain Ernie Els named his four picks for next month's Presidents Cup.
Nacho Elvira took the Maybank Championship lead as Thomas Pieters fell out of contention in the third round.
A bogey-free first round saw Jhonattan Vegas grab an early lead at the Honda Classic.
Defending champion Li Haotong was one shot off the pace after round three of the Dubai Desert Classic, with Bryson DeChambeau in front.
In his first South African Open since 2010, Louis Oosthuizen carded a bogey-free 62 to claim the first-round lead in Johannesburg.
Chikkarangappa S denied Victor Perez the outright opening-round lead at the Mauritius Open as the pair started in fine fashion.
Gaganjeet Bhullar won his first European Tour event at the Fiji International, as Ernie Els caught the eye by turning back the clock.