Slovakia lost three players to injury on Friday and three more had to return to their league clubs or face quarantine, forcing coach Pavel Hapal to ring the changes.
Reigning champion Barty said there were two reasons for her decision to skip the clay-court tournament, which is scheduled to take place in Paris from September 27 to October 11.
The Dutch world 1,500m and 10,000m champion moved ahead once more in the final minute and successfully maintained the lead until the hour elapsed to reach 18,930 meters, smashing the previous mark of 18,517 meters set by Ethiopia's Dire Tune in 2008.
The remainder of the match was controversial after Gao Lin was shown his fourth yellow card of the season in the 71st minute after complaining to the referee. The Chinese international is set to miss Shenzhen's next match against his former club Guangzhou Evergrande next Wednesday.
The group testing sessions will include some advance-notice testing, where the main focus will be on building the profiles of athletes for the Athlete Biological Passport (ABP) program.
"Right now I'm really focused on the US Open, and nothing else I can think about right now," said Williams, who has won six of her 23 Grand Slam singles titles at the US Open.
The Netherlands' Dafne Schippers was fastest in the women's 100m, while there was joy for Poland as Justyna Swiety-Ersetic won the 400m and Maria Andrejczyk was victorious in the women's javelin, throwing 65.70m to finish ahead of Lina Muze of Latvia and Croatia's Sara Kolak. Enditem
"We hope that both sides can reach an agreement and everything can be made official," he told reporters at Ezeiza international airport. The former Porto midfielder said he was traveling to Miami for personal matters.
In the 65th minute, Dalian's Ke Zhao added a goal of his own and sealed the 4-0 victory.
"As a result of the increase in the number of COVID-19 cases in Hungary, the Hungarian Government has introduced entry restrictions that make it now impossible for foreigners to enter Hungary. Foreigners will only be allowed to enter Hungary in the case that it is highly necessary," the organizers notified participants.
Both sides had chances to break the deadlock in the first half but missed them all. Shanghai Shenhua midfielder Cao Yunding's left-footed shot hit the post in the seventh minute. Shenzhen almost scored the opener in the last minutes going into the halftime break when Ole Selnaes' free kick was also denied by the crossbar.