Williams had to come back from a set and a break down to storm to a 4-6, 6-3, 6-2 win against Bulgaria's Tsvetana Pironkova while Azarenka dropped just one game against 16th seed Elise Mertens of Belgium to seal a spot in the semifinals.
Moreno equalized for Shanghai in the 81st minute, as the Columbia international dribbled, shrugging off four defenders in the box before firing an angled shot past Han.
"We started to know each other back in 2014 and straight away started to develop a great friendship and then a great rivalry," Thiem said of his close friend Zverev. "We've made great things happen on the court and off the court. It's amazing how far our journey brought us to share this moment. I wish we could have two winners today. We both deserved it."
Meanwhile, Nuremberg were able to reduce the arrears in the closing stages when Phillipp Steinhart converted a penalty in the 79th minute.
The unseeded pairing got off to a superb start, as Siegemund in particular moved all around the court to put away shot after shot. After breaking twice, Siegemund/Zvonareva built up a 5-1 lead before securing the first set 6-4.
Also on Friday, Matheus Nascimento's penalty at his 100th game in Shijiazhuang Ever Bright handed his team a 1-0 win over Wuhan Zall.
The newly released materials will provide inspiration for additional localized materials, and all the educational materials will become Winter Olympic and Paralympic legacies for China, to carry on its Olympic and Paralympic education after the Games. Enditem
Despite having the majority of the ball, Zall failed to make an impact as Cote d'Ivoire striker Jean Evrard Kouassi and Dong both squandered chances to level the game.
He has also been capped 36 times for the Italian national team.
The former Chelsea football star will assist the substantive manager Pederson Flemmings in the upcoming season in Denmark.
West Ham struggled last season and look like they could have problems this time as well after losing 2-0 at home to Newcastle United, who took the points with goals from new signings Callum Wilson and Jeff Hendricks. Hendricks, who arrived from Burnley, had not had a shot on target since November before his goal four minutes from time. Enditem