Jo-Wilfried Tsonga knocked out third seed Kyle Edmund to reach the quarter-finals of the Grand Prix Hassan II in Marrakech.
The Frenchman, who is working his way back up the rankings after knee surgery last year, edged a close battle 7-6(6) 6-3 against last year's runner-up and will face Lorenzo Sonego in the last eight.
The Italian qualifier won by the same scoreline against Robin Haase while fourth seed Gilles Simon comfortably defeated Guido Andreozzi 6-2 6-2 and Taro Daniel saw off Adrian Menendez-Maceiras in three sets.
