Julian Draxler, Idrissa Gueye and Kylian Mbappe added another three in the second half while Angers pulled one back in the 52nd minute.
The previous best for the No.7 seed in Paris was the semifinals in 2012 when she lost to eventual champion Maria Sharapova 6-3, 6-3.
"She played unbelievable today and she was everywhere and she hit all the balls in a very strong, very powerful way," the world No.2 said after the match. "It was a little bit cold and I couldn't be at my best."
Koeman's team looks faster, fitter and hungrier, with Philippe Coutinho getting involved and Leo Messi smiling again. There is a question mark over the lack of central defenders and with Clement Lenglet suspended against Sevilla on Sunday that looks to be their main weakness.
Six minutes later, Bruno Labbadia's men thought they had opened the scoring but Jhon Cordoba's goal was ruled offside.
"We didn't perform well in the first quarter. We had a tough start, but ultimately took our chance," Shaanxi coach Jiang E'Ying reflected.
"In terms of where we are competition-wise, the objective at the end of the day is to measure our standard to the South African standard and see if we can meet it. We are not oblivious though, we have included six of our foreign-based players. They will bring in more drive and experience to add to that of our local players," he concluded.
PARIS, Oct. 4 (Xinhua) -- Dimitri Payet scored but was shown a straight red card just two minutes later as Marseille managed to defend a 1-1 draw despite playing with 10 men for more than one hour in Sunday's Ligue 1 action.
Real Madrid has a deeper squad than Barca, as the fact that they were without Dani Carvajal, Eden Hazard, Alvaro Odriozola and Tony Kroos on Sunday and still won shows, but Courtois' displays mean that so far some of the results have been much better than the actual performances.
Shanghai will face Shaanxi on Sunday, while Tianjin's opponents on Monday will be Jiangsu. Enditem
With 3:04 left on the clock of the third period, Fujian kept chasing the score-line and trailed by 57-66, but Zhejiang reclaimed a double-digit advantage through Dong Ke'er's three-pointer.