Tour rookie Zhao also collected five points from two draws and one win. However, the 17-year-old lost one more frame than Zhou in total.
Kurt Zouma completed the scoring on 66 minutes, as his low shot from a corner was deflected past the unfortunate Ryan.
Also absent were midfielder Arthur Melo, who joined Juventus from Barcelona in July, Flamengo striker Gabriel Barbosa and Real Madrid left-back Marcelo. Sao Paulo's defender-turned-midfielder Dani Alves is unavailable because of a fractured forearm.
The Royal Blues striker welcomed Germany's federal states' joint decision to allow the return of 20 percent of the fans in a test-phase until the end of October.
Xiao, world number 31, turned pro in 2007 after winning the Asian U21 Championship. His best ranking performances were runner-up finishes at the 2013 Shanghai Masters and the 2017 Shoot Out.
The 29-year-old, who helped Bayern to the treble last season, arrived in Liverpool on Friday morning to complete his medical and put pen to paper.
Chongqing broke the deadlock in the 57th minute with a low drive from Fernandinho after he got a wonderful pass from Kardec to make it 1-0.
Speaking of Ge Manqi, who had to quit in women's 200m because of false start, Xie said: "I feel so sorry for her. She made the mistake because she was eager to prove herself so much."
"The FIVB is committed to ensuring the health and wellbeing of the global Volleyball Family, and aims to launch an invitation to bid for the 2021 edition by the end of October 2020," read a statement.
The Slovak champions have been unceremoniously eliminated from the Champions League Qualifiers by forfeit after an outbreak of COVID-19 was confirmed in the team at the end of August and now the team from the capital city bids farewell to the second-tier Europa League Qualifiers after losing in a penalty shootout against the Finnish champions KuPS Kuopio.
Gilbert and Lu met in the last match of the group both with one win and one draw. The world No. 11 won the final frame to draw 2-2 with Lu but advanced by claiming the highest break of 98.