earned a one-shot lead at the Trophee Hassan II with a 5-under 67 in the third round on Saturday to move to 6-under par overall.
Hanson, who has never finished higher than 39th on the European Tour, carded five birdies and an eagle against two bogeys at Royal Golf Dar Es Salam.
Hanson led countryman David Dixon (67) and Frenchman Clement Berardo (68), who were tied for second.
Overnight leader Francesco Laporta, ranked No. 787, ended the third round in a seven-way tie for sixth place on 2 under after five bogeys and a double bogey.