Quadri, Assar give way, as top seeds march on

Other results include Lee Sangsu of Korea Republic, who was humbled by Koki Niwa of Japan 11-5, 12-11, 8-11, 2-11, 11-6, 11-9, while China’s Lin Gaoyuan, dismissed Portugal’s Marcos Freitas in 11-3, 10-12, 11-9, 11-5, 11-five sets.