POAK finished second in Greece last season and a week ago defeated Portuguese giants Benfica 2-0 to book a place in the qualifying round ahead of the group stage of the Champions League.
Meanwhile all eyes will focus on whether new signing Edouard Mendy goes straight into the Chelsea side or if Frank Lampard keeps faith with Kepa Arrizabalaga after another bad error last weekend.
Schwartzman, who ousted Rafael Nadal in the quarterfinals, beat Canadian Denis Shapovalov 6-4, 5-7, 7-6 (4) in the other semifinal.
After that, control of the game was taken by the Austrians, and in the 16th minute Maccabi's defender Eitan Tibi saved a sure goal from the line, after a shot by Hungarian midfielder Dominik Szoboszlai.
"It was very important to win our next match after the 5-0 defeat. The Copa Libertadores is not only about skill, it's also about heart. And the players showed that."
Guangzhou still ranks first in the group, and will take on Dalian Pro in the group's last round.
With one match remaining in the first phase of CSL, Shanghai sat atop the eight-team Suzhou Division with 32 points, seven points ahead of second-placed Beijing. Enditem
The top four teams at the end of the qualifying tournament will automatically book a place in football's showpiece tournament. The fifth-ranked side will advance to a two-legged intercontinental playoff.
In the Meizhou division, Guizhou continued their winning drought after a bitter defeat to Liaoning Shenyang Urban, while Meizhou Hakka stunned Jiangxi Liansheng 4-0.
"Both players and staff are disappointed not to be able to get back on the field," US coach Gregg Berhalter said. "While COVID-19 continues to create challenges for us, we are confident we can find a way forward in the near future that will provide an opportunity to play matches in preparation for the important competitions next year."
Yu and Fu finished first in the preliminaries of the women's breaststroke 200m and 100m backstroke respectively, but couldn't make the finals as well.