The result at the Beira-Rio stadium meant Gremio jumped to second in the group's standings, equal on points with Internacional but with an inferior goal difference.
With the result, Hertha Berlin suffered its first defeat whereas Eintracht Frankfurt took its first win of the season.
The South American zone World Cup qualifiers were originally scheduled to begin in late March but were suspended because of the coronavirus pandemic.
In the game against Guoan, SIPG captain Hulk netted the winning penalty in the 44th minute after Li Ke handled in the box.
NANNING, Sept. 22 (Xinhua) -- The 2020 Guilin-Ziyuan International Adventure Race will kick off on October 3 in Ziyuan County, south China's Guangxi Zhuang Autonomous Region, the local authority said on Tuesday.
The result in the Pacific port city of Guayaquil ended a tumultuous week for Flamengo in the Andean country. The Rio de Janeiro outfit crashed to a 5-0 defeat against Independiente del Valle in Quito last Thursday and then had 11 players - including seven regular starters - ruled out of Tuesday's match because of positive coronavirus tests.
"The Spanish striker's return to Juventus is now official. The 27-year-old joins on loan from Atletico Madrid, where he has played for the last season and a half. He will be part of this year's team, with an option for a one-year extension to the loan, plus an option to buy," read a statement.
"It will be strange to see you in another shirt and even stranger to come up against you on the pitch... I had already begun to imagine it but today I went into the dressing room and it truly dawned on me. It's going to be so difficult not to continue to share every day with you both on the pitch and away from it," the Argentinean wrote.
The match went ahead and West Ham defeated their League One rivals 5-1 with assistant Manager Alan Irvine under charge.
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 national team is always an open house, without doors and without windows. A house of merit and responsibility, at the service of the team," the 67-year-old Portuguese said.