Argentina will face Ecuador at La Bombonera in Buenos Aires on Thursday and Bolivia in La Paz next Tuesday.
The 18-year-old Chang defeated Irish teenager Aaron Hill 4-2 in the first round.
The Cafeteros boss had words of support for Bayer Leverkusen full-back Santiago Arias, who was taken from the pitch on a stretcher after suffering a horrific ankle injury in the first half.
Meanwhile, football training is to start in mid-October to prepare teams for the start of Malawi's top league in November.
In the last 10 minutes, North Macedonia's Goran Pandev and Gjoko Zajkov scored respectively to capture an important point for his team. Enditem
It's still not certain whether Real Sociedad's Mikel Oyarzabal will be able to take part after he was unable to travel to Lisbon after an inconclusive COVID-19 test.
Shao finished with 13 points, while Zhao Xuetong and Hu Yueming each had 11.
Argentina has been one of the worst-affected countries by the virus with more than 856,000 positive cases and over 22,700 fatalities.
To support the delivery of the season, athletes have agreed to a uniform pay reduction of 15 percent with the exception of those already on minimum payments.
"I've reached a level of maturity that has allowed me to be a part of the national team," he said. "It's a position in which we've always had players with a lot of quality that have created history.
The "horned derby" between the "chamois" from Poprad and the "rams" from Banska Bystrica turned into a lopsided scoring fest for the home team.