In the 93rd minute, R&F's goalkeeper Han Jiaqi failed to clear out the ball from the box, giving Paulinho an opportunity to add a buzzer beater for Evergrande.
In an absorbing third round match, 23-time Grand Slam winner Williams rallied to defeat 2017 US Open winner Sloane Stephens 2-6, 6-2, 6-2 in one hour and 43 minutes, while second seed Kenin also faced a tough challenge in a straight sets win over Ons Jabeur of Tunisia.
"It was not a hard game, and I felt good to partner with Wang again. We are very familiar with each other and we cooperate really well," said Huang.
Both sides then created few chances to take one point apiece following the thrilling four-goal draw.
The Bayern defender refers to the fact that most of Germany's new faces have known each other for many years, having played in the same club or Germany's youth teams.
However, just 51 league goals and 16 draws show where Atletico's chances all too often disappear. They are hard to break down and they are hard to beat, but all too often they are unable or unwilling to take the initiative and ultimately that costs them points.
The Guangdong team ranked first in the group dressage competition on Friday, followed by Tibet. Jiangsu took third place.
Medvedev will next face fellow American Frances Tiafoe, and Thiem will take on Canada's rising star Felix Auger-Aliassime.
Leon are now a point clear of second-placed Cruz Azul, who will have the chance to regain top spot when they visit Atlas on Saturday.
Zall leveled three minutes later when Cote d'Ivoire striker Jean Evrard Kouassi netted a close-range header.
RIO DE JANEIRO, Sept. 6 (Xinhua) -- A last-gasp penalty from midfielder Clayson Silva earned Bahia a 2-2 draw with leaders Internacional in Brazil's Serie A championship on Sunday.