Raphael Veiga put the host ahead by bundling home from close range but Eduardo Brock equalized by heading in from a corner. Willian Gomes then lobbed a shot over goalkeeper Fernando Prass to secure Palmeiras' fifth league win of the season.
Despite the Azzurri's request to postpone the game, the Serie A league enforced the rule that as long as a team has 13 players available including a goalkeeper, the game can go ahead.
Restraining Shanghai to five points in the first quarter and 18 at the break, Xinjiang obviously found its winning key.
"Since then, I've made huge progress because I've played a few big matches, against Simona, against Caroline Wozniacki and Naomi Osaka, and I think it helped me a lot and now I feel like I can handle the pressure," Swiatek added.
Real Madrid has won without really impressing at the start of the season and Zinedine Zidane will again have selection questions to answer when his side visits Levante. Eden Hazard is out for several weeks, but Vinicus Jr made his case to start with his winning goal at home to Valladolid on Wednesday.
Napoli was banned from traveling by local health authorities, after Piotr Zielinski and Eljif Elmas tested positive for COVID-19.
Moments later, new arrival Joel Pohjanpalo scored his first goal for Union only 35 seconds after coming on to put the result beyond doubt in the 64th minute.
The Red Bulls fired American coach Chris Armas last month and South African Bradley Carnell took over as interim coach.
Peng Szu-Chin led Shanghai's charge with 25 points. Li Yingyun and Zhang Zhiting contributed 24 and 21 respectively. Zhang also grabbed 11 rebounds.
Nitra's second victory in a row was based on a continuous effort, sending a total of 41 shots toward Zvolen's goalie and scoring one goal in each period to edge out their opponents by a small margin 3-2.
Shanghai's hope of leveling the game was shattered as Barbra Banda's shot in the 87th minute hit the woodwork and bounced off.