Two teams are tied for the lead after Trey Mullinax and Scott Stallings carded a 62, while Jon Rahm and Ryan Palmer shot a 64.
Despite never playing a competitive round at Augusta, Justin Harding felt comfortable after watching the Masters on TV so many times.
Despite not even having a top-10 finish to his name heading into Sunday's round, Guido Migliozzi prospered under pressure to win in Kenya.
A run of three birdies over his final four holes at the Qatar Masters helped Justin Harding secure a two-shot victory in Doha.
It is all to play for at Doha Golf Club, where South Africans George Coetzee and Justin Harding share the lead with Mike Lorenzo-Vera.
There could be a first-time winner on the European Tour on Sunday with Justin Harding and Kurt Kitayama sharing the Mauritius Open lead.