Perhaps mindful of its drivers' tyre troubles at Silverstone earlier in the season, Mercedes engineers ordered Hamilton and Bottas to stay off the Mugello circuit's kerbs - though even after doing so, both drivers appeared to have enough pace to keep the chasing pack at bay.
Semenya and ASA said these regulations were "invalid, discriminatory and unnecessary."
After that, Osaka dominated and claimed the set 6-3.
Earlier in the day, Monaco beat Nantes 2-1 at home to move atop of the league standings on goal difference. Enditem
Two-time Grand Slam winner Azarenka seemed headed for an agonizing loss after being hammered 6-1 by Williams in the first set, but the 31-year-old turned the tide, raising up her level and reducing the unforced errors before securing the 1-6, 6-3, 6-3 victory.
A brand new format will be taken over five days of competition action, and innovative scoring methods will be implemented.
Yu's deal comes the same day while Taiwan guard Wu Yongsheng completed the move from Shanghai Sharks to Xinjiang.
In addition, former Bayi center Liang Yingqi and Sichuan Blue Whales guard Wang Zhengbo have also signed contracts with Xinjiang. Enditem
"We struggled to create scoring chances today. No opportunities? Yes, I agree. But we have a small group, and we are missing the players who make the difference."
Daniil Kvyat took a fine seventh in his AlphaTauri, with Leclerc and teammate Sebastian Vettel salvaging eighth and ninth on another difficult day for Ferrari.
Dortmund gained momentum and pinned Duisburg in their territory before Thorgan Hazard's back-heel pass found youngster Jude Bellingham, who made no mistake to make it 2-0 from inside the box in the 30th minute.