DeChambeau is the world number five Dubai Desert Classic, third round leaderboard-16 DeChambeau (USA); -15 Li (Chn); -13 Wallace (Eng), Els (SA); -12 Samooja (Fin), Olesen (Den), Quiros (Spa), Herbert (Aus); -11 Smith (Eng), Fitzpatrick (Eng), Scrivener (Aus); -10 Johnston (Eng). Fleetwood (Eng), An (Kor), Westwood (Eng), Garcia (Spa), Coetzee (SA), Pavon (Fra) Other selected: -9 Fisher (Eng), Lowry (Ire), Dredge (Wal); -8 Ramsay (Sco), Pepperell (Eng), Poulter (Eng)
American Bryson DeChambeau has taken the lead in the Dubai Desert Classic at 16-par, a shot at China's Li Haotong .
Matt Wallace of England is in third place tied to 13-under with South African four-time winner Ernie Els, 49, who is now ranked 527 in the world.
Nocturnal joint leader DeChambeau, the world number five, scored a four-in-a-row 68 in his third round.
Meanwhile, champion Li defended his third consecutive 67.
England pair Jordan Smith and Matthew Fitzpatrick still argue about 11-under, while compatriots Tommy Fleetwood, Andrew Johnson and Lee Westwood, and Sergio Garcia from Spain on 10-under.
Wales Bradley Dredge and Shane Lowry from Ireland are at nine, a shot for Richie Ramsay from Scotland and English duo Eddie Pepperell and Ian Poulter.
DeChambeau, 25, ha five PGA Tour wins, but has never won a European Tour title, after being added to the tour in December 2018.