There were also third round wins for Belgian star Elise Mertens, Belarussian veteran Victoria Azarenka and France's Alize Cornet.
Elsewhere, sixth seed Matteo Berrettini of Italy, tenth seed Andrey Rublev of Russia and Australia's Alex De Minaur all won their third round matches. Enditem
In Thursday's only other match, Sport Recife won 2-1 at Gremio thanks to goals either side of half-time from Patric Cabral and Iago Maidana. Pepe pegged a late goal back for the hosts. Enditem
"It's a very difficult competition as you can see. We followed the coach's guidance to keep the clean sheet. The draw is acceptable for us," said Shenhua midfielder Zhu Baojie.
Simiyu's first tenure courted controversy when the national team commonly known as 'Shujaa' refused to wear a kit emblazoned with their sponsors Brand Kenya in the Paris leg of the World Series in 2018.
Strikers Mehdi Ghaedi and Arsalan Motahari pulled two back for Esteghlal FC in the second half.
Ruichang took the first point with a straight win in the women's doubles, before Zhejiang fought back and took the victories in the men's singles and men's doubles. Then He Bingjiao overcame a one-set deficit to beat Han Qianxi in the women's singles, helping Ruichang to tie the game 2-2.
WADA will hold their Executive Committee meeting on 14-15 September. Enditem
"I feel good that the running season is slowly coming back, as an athlete I was worried when the coronavirus pandemic stopped everything globally, I knew my ambitious season was done, I didn't see myself running this year. I'm glad normalization is slowly returning," she noted.
"All the players have to stay in the two hotels booked by organizers without exception."
PP Sports released a statement on Thursday night, claiming the termination was just a "strategic adjustment".