Australian Lucas Herbert shot 2-under 70 on Saturday to take a one-stroke lead into the final round of the Dubai Duty Free Irish Open.
Herbert stands at 15 under, with American Johannes Veerman in solo second and South African Justin Harding in solo third.
Veerman shot 67 to reach 14 under, while Harding carded a 65 to get to 12 under.
Rory McIlroy, meanwhile, struggled to an even-par 72. The 2016 champion is 11 back, at 4 under.
McIlroy put himself in a hole early with a bogey at the third hole and a lost-ball double bogey at the fourth.