Crystal Palace took the lead in the seventh minute through Andros Townsend and doubled their advantage through Zaha's retaken spot kick after David de Gea was judged to have moved too soon when denying Andrew Ayew after a handball.
The French striker was one of the seven PSG players that tested positive before the new season and missed their opening three games - of which PSG suffered defeats to Lens and Marseille and won 1-0 over Metz.
DeChambeau, who turned 27 this week, won the tournament by a comfortable margin of six strokes.
The "Bulls" staged a powerful start on home turf and pressed the "Nullfunfer" onto the back foot.
Due to the crisis on the pitch, the club's plans to outsource its professional section and allow investors to join have been postponed as have talks about the second round of wage cuts for the squad.
Knowing that a two-goal margin win would secure their place in the Round of 16 alongside Al Ahli and ahead of Al Shorta, Esteghlal pressed hard from the outset and opened the scoring in the 29th minute when Mehdi Ghaedi, assisted by Farshid Esmaeili on the edge of the box, drilled a powerful drive that nestled into the bottom corner despite Al Owais' best efforts to save the shot.
The Rubronegro have remained in Ecuador ahead of Tuesday's clash in the Pacific port city of Guayaquil.
With the pandemic situation worsening in recent weeks in France, the government has taken action to control of the spread of the virus, which has killed more than 31,500 people in the country.
The club insisted that their measures and protocols around COVID-19 remain stringent. They even offered to test the Hull City team ahead of Tuesday's fixture, but the visitors declined the offer.
The Prime Minister then answered "yes" when asked whether all people are included in the number of 1,000.
"This work will continue until the opening of the Olympics," he said. "This crisis requires a lot of flexibilities and sacrifice from all of us.