The estimated timing for the start of training camp will be announced at a later date.
He called the latest defeats of Liverpool (7-2) and Manchester United (6-1), aside from Bayern Munich's loss against Hoffenheim (4-1), the forerunners.
The game went into turmoil after that as Ciro Immobile was sent off in the 69th minute for slapping Arturo Vidal after being tripped by the Chilean, while Inter's midfielder Stefano Sensi also saw red in the dying minutes.
Saturday ended with Newcastle United winning 3-1 at home over Burnley thanks to an excellent display from winger Allan Saint-Maximin and two goals from Callum Wilson. Enditem
Dominic Calvert-Lewin's 16th minute header put Everton ahead but Brighton equalized through Neal Maupay after a Jordan Pickford error.
"It was a very even match, perhaps more difficult than the result showed," said Djokovic, who is seeking for an 18th Grand Slam title.
In the match between Jiangsu Suning and Beijing BG Development, Zhai Qingwei's long-range shot in the 29th minute helped Jiangsu defeat Beijing 1-0.
In a fiercely contested second quarter, which was halted by fouls often, Dongguan managed to go up by 19 points clear at halftime through steady performance on the free throw line, and went uncontested from Wuhan back from the locker room.
Uruguay will face Chile in Montevideo on October 8 before meeting Ecuador in Quito five days later.
According to the circuit's management team, the number of visitors doubled compared with one week before, rising its daily income up to 6,000 yuan.
"If you impose yourself from the very beginning on the court, which I have in those first three matches here, then it makes it hard for them to really believe that they can come back and make a turnaround in the match," said the 2016 champion, who is seeking for an 18th Grand Slam title at Roland Garros.