The Curitiba-based side top the Group C standings with six points from three matches, ahead of Chile's Colo-Colo on goal difference. Jorge Wilstermann are third with three points.
Al Duhail opened the scoring in the 12th minute as Abdullah Al Ahrak cut inside from the right flank and unleashed a powerful drive from 25 yards that nestled into the roof of Adel Al Hosani's net.
Rising star Yan Haibin finished second with 20.86s. The 17-year-old said he was satisfied with what he achieved. "I feel excited as the gap between brother Xie and I was narrowed."
Uruguay will face Chile in Montevideo on October 8 before meeting Ecuador in Quito five days later. Enditem
"It's just a really exciting moment for me and my family," Jota told Liverpool's website." All of my path since I was a kid and now, to join a club like Liverpool - the world champions - is just unbelievable. I just want to get started."
Former Juventus and Toronto FC forward Sebastian Giovinco broke the deadlock deep into first-half injury-time with a beautifully curled free-kick from just outside the area.
Koeman also insisted he had a good relationship with Lionel Messi, after the striker had told the club he wanted to leave, only to later say he would stay in order to avoid lengthy legal wrangling.
While professional football depends to a much lower extent on ticket sales, other sports view the decision only as a first step. Ice-hockey, handball and basketball require bigger crowds to cover their costs.
Elsewhere, Estudiantes beat Alianza Lima 3-2 and Caracas won 3-2 at Independiente Medellin. Enditem
Elsewhere, Russia's Andrey Rublev beat Argentinian qualifier Facundo Bagnis 6-4, 6-4 and will meet Poland's Hubert Hurkacz in the next round.
The result means Rafa Benitez's side are sixth in Group A, three points off the fourth place, while Shanghai Shenhua slip to the fifth position in the group on goal difference. Both teams have chances to advance to the championship group for the second stage of Chinese Super League with five games remaining.