"I felt today I really executed the game very precisely," Azarenka said. "I was moving really well. I made the ball very long. So I felt I played well. I found all the right answers to everything she was trying to make, so I'm very happy with that."
Liu, who boasted a stellar playing career, was named WTT chief in June.
Hoffenheim pressed for the winner in extra time but it was the underdogs who grabbed the lead as Freiberger's lay up allowed Christian Bickel to slot home in the 100th minute to make it 2-1.
In other matches on Sunday, Atletico Goianiense won 1-0 at Bahia, Atletico Mineiro secured a 2-1 home win against Bragantino and Fortaleza drew 1-1 at Gremio. Enditem
Elsewhere, Relentless Borussia Monchengladbach whitewashed lower league side FC Oberneuland 8-0. Cologne crushed VSG Altglienicke 6-0 while Augsburg showed no mercy following a 7-0 victory over Eintracht Celle, and Wolfsburg moved past Union Furstenwalde 4-1. Enditem
"A match like today, I just feel like Pironkova was serving well, she was hitting winners everywhere," Williams said. "Maybe I wasn't being aggressive enough. So I think it's more or less me adjusting my game in the second set and coming back and just trying to do better."
The first goal of the new season was scored by Arsenal striker Alexandre Lacazette to help his side to a comfortable 3-0 win away to Fulham, who received notice of the difficulties awaiting them on their return to the Premier League.
During his coaching career, he won seven national championships, five national cup championships and seven super cup championships. Enditem
Mohamed Salah scored two penalties in a hat-trick as reigning champions Liverpool beat newly promoted Leeds United 4-3 in a thrilling game at Anfield, while Wilfred Zaha's 13th minute goal gave Crystal Palace a winning start at home over Southampton and new boys Callum Wilson and Jeff Hendricks both scored as Newcastle cruised past a poor West Ham in the London Stadium.
In an exclusive interview with Xinhua, Zhu revealed her desire to truly demonstrate the Chinese team's capabilities at Tokyo 2020, as well as expectations towards her new school life.
Osaka broke in the fourth game of the third set to take a comfortable 3-1 lead. In the next game, Azarenka blew a golden opportunity to get back into the match, wasting all three break points as Osaka recovered from 0-40 down to hold for a 4-1 lead.