In the other two clashes of the day, Hunan Hualai beat Zhejiang Energy to remain in third place, while Shenzhen Nankeda whitewashed Jiangsu in 5-0 to clinch their second win of the season. Enditem
In the men's shot put, Ryan Crouser of the U.S. won with a throw of 22.70m, followed by Poland's Michal Haratyk and Leonardo Fabbri from Italy.
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.
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.
"The decision was made I think by the supervisors, and as I said, they are just doing their job. There is nothing much I can say to that. I'm a little bit in shock right now, to be honest."
Jia Yifan/Du Yue stormed to a 11-7, 11-2, 11-4 victory in the women's doubles before Chen Yufei overcame He Bingjiao 11-6, 12-10, 10-12, 11-6 in the women's singles, taking the first two points for Qingdao.
Shenzhen will also face another huge loss in the clash with defending champions since Mary got a red card and was sent off the pitch in the stoppage time due to his aggressive language to Shanghai head coach Choi Kang-Hee.
Belgium swept Iceland 5-1 at home to lead Group 2 with two wins, and Denmark drew 0-0 with England as both teams failed to create good chances. Enditem
The 26-year-old clocked 1:05:34 to win the Prague 21.1km, a half marathon race featuring only female runners with no male athletes or pacers.
The current women's half marathon world record in a mixed race is 1:04:31, set by Ethiopia's Ababel Yeshaneh in February in Ras Al Khaimah. Enditem
Ruichang now continue at second in the standings behind Qingdao Renzhou, which also enjoyed a victory on Saturday, defeating Jiangsu Weikeduo 4-1 with ease.