World championship leader Lewis Hamilton could only finish seventh after serving a time penalty for coming into the pitlane when it was closed, dropping him to the back of the field.
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.
"Our director was against the idea at first, but we did this once in 2013 and it worked, I won," said Sagan, who finished 13th after his bike lost its chain in the sprint. Enditem
The re-appointment of Simiyu brought an end to speculation over who would take over the team that has struggled in the HSBC World Rugby Sevens Series since he left.
Elsewhere, Fede Valverde will hope to continue his progression and will probably find himself playing more minutes than Luka Modric, while Toni Kroos and Casemiro remain very reliable in central midfield.
Wu Haodong/Wang Chang overcame Deng Jiaqiang/Wu Tuobin 11-7, 11-6, 8-11, 11-3 to take the first point for Zhejiang in the opening men's doubles, before Lei Lanxi beat Ren Pengbo in the men's singles to tie the match for Shenzhen.
"Surprised? No. Frustrated? Obviously," said Konta. "I think what we've seen time and time again in every tournament is that these are the best players in the world, so on any given day they can play incredible tennis."
FIFA added that a new schedule would be unveiled "in due course" after further talks with CONCACAF officials, confirming only that the first round would be in March.
Although Messi will remain at the Camp Nou until he can leave as a free agent, fans are worried at the interview in which he explained how he felt in recent months.
"I don't think I have ever gotten defaulted yet in my career or in my life. No, I haven't been in a situation like that. But as I said, it's very unlucky, very unfortunate," Zverev added.
WASHINGTON, Sept. 8 (Xinhua) -- Two-time Grand Slam champion Naomi Osaka of Japan advanced to the US Open semifinals for the second time in her career, ousting Shelby Rogers of the United States 6-3, 6-4 on Tuesday.