"She played really really well today. I think everything is tough. My ball is very short and she opened the court very nice and used very nice winners," said the world 39th-ranked Zhang, who has also achieved a personal best at Roland Garros by reaching the fourth round.
Meanwhile Southampton claimed a routine 2-0 victory at home to West Bromwich Albion, who is still searching for its first win of the campaign.
In other Brazilian top-flight fixtures on Saturday, Gremio drew 1-1 at home to Internacional while Corinthians drew 0-0 at Bragantino. Enditem
The Red Bulls fired American coach Chris Armas last month and South African Bradley Carnell took over as interim coach.
"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."
"It has been a great season for me and it is my hope that all will be well next year as I focus on the Tokyo Olympics," said Cheruiyot after his victory.
Former champion and No. 16 seed Stan Wawrinka was the biggest star who saw his run at this year's Roland Garros end on Friday. The Swiss star was turfed out by French wildcard and world No. 239 Hugo Gaston 2-6, 6-3, 6-3, 4-6, 6-0 in a five-set battle lasting over three hours.
Rodriguez and Falcao were among 18 Europe-based players included in the 24-man squad announced by the Colombian Football Federation on Friday.
Jiangsu and Beijing are placed third and fourth in the championship group standings respectively. Enditem
Union gained momentum but missed the chance to extend the lead at the half-hour mark after Nico Schlotterbeck pulled wide from tight angle.
Its water area now reaches approximately 320.1 square km, which is 3.4 percent higher than last year. Enditem