Local hero Daniil Kvyat gave the Russian fans in attendance something to cheer with eighth place ahead of AlphaTauri teammate Pierre Gasly, while a difficult race for Alex Albon saw the Red Bull driver finish tenth.
Schalke will probably decide its future steps at Monday's board meeting.
On the Beijing side, Shi Xiufeng and Ma Yina each contributed 14 points.
In advance of Wednesday's encounter, the 2012 German champion seems to carry a more massive load on its shoulders.
China's General Administration of Sports has listed the tournament as one of six major sports events during the "Golden Week" holiday.
Rumors speak of former Augsburg coach Manuel Baum of possibly taking over as the new head coach.
Boca had 68% of possession and seven shots on target to Libertad's one, in what was largely a lopsided contest at La Bombonera.
Sevilla came back from a goal down to get their season underway with a 3-1 win away to Cadiz.
"I always thought that one year it has to come. Especially when I won against such great players, I have big respect for both of them. I never played against Vika before. I watch her many times in the TV, even when I was not on the tour. When I was younger, I watched many of her matches," added the 26-year-old.
"I think the chair umpire was the only person not to have seen it," said a furious and disappointed Mladenovic after the match.
The two sides were locked in a stalemate at the beginning of the third set but after reaching a tie of five, Shanghai scored six in a row and finally won the third 25-19 to reach the semifinals.