There were also many hand sanitizing points and people were asked to keep two meters distance from one another.
"It has been a difficult decision to make but unfortunately I will not be competing in Europe this year," Barty said on social media on Tuesday.
Kim said that his team had no injuries and had good preparation work during the over eight months' of training sessions.
In the 65th minute, Dalian's Ke Zhao added a goal of his own and sealed the 4-0 victory.
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.
In the second half, Bosnia coach Dusan Bajevic brought on Edin Dzeko as the side's second striker, but Poland's domination continued, and Kamil Grosicki scored the winning goal in the 67th minute.
In the deciding game of mixed doubles, Feng Yanzhe/Lin Lingfang scored the narrow win against world No. 2 Wang Yilv/Huang Dongping 7-11, 11-6, 7-11, 11-6, 13-11, sealing the victory for Ruichang.
In the women's singles, fourth seed Naomi Osaka of Japan finished a routine job as she eased past Anett Kontaveit from Estonia 6-3, 6-4 to reach the quarterfinals.
Cruz's first match in charge will be an away clash against last-placed Atletico San Luis on Tuesday. Enditem
"Living and training here every day, shut out from the outside world, the athletes were in low spirits. There was also a potential crisis because it was hard for them to fully mobilize themselves, so their training efficiency and their self-discipline were affected," he said, adding that public attention might help top athletes keep their motivation up.
Elsewhere Sky Sports informed that Chelsea have reached agreement with Bayer Leverkusen to sign striker Kai Havertz. Enditem