In the second minute after kick-off, Rondon scored the opener with his left foot. Rondon extended the lead for Dalian in the 29th minute, as he assisted Marek Hamsik to slot home.
In the 65th minute, Dalian's Ke Zhao added a goal of his own and sealed the 4-0 victory.
A product of the Ajax youth academy, Van de Beek made his first-team debut in 2015. In total, he played 175 official matches for Ajax, scoring 41 times.
The match ended in a goalless draw, despite Botafogo's 17 shots on goal to Coritiba's seven.
"I cannot begin to explain how incredible an opportunity it is to join a club with such an amazing history. I would like to thank everyone at Ajax, I grew up there and I will always have a special bond with the club. I am now ready to take the next step in my career and perform at the highest level and there is no higher standard than Manchester United," said Van de Beek on the Manchester United website.
Fourth seed Naomi Osaka of Japan booked her place in the third round with a comfortable 6-1, 6-2 win over Italy's Camila Giorgi.
"It was anybody's game really for a set and a half. I made some breaks and then obviously after winning the second set I felt more comfortable. I was returning better, I started to read his serve better, and I was pleased with my serve. Overall, it was a very good test, and I am happy to get through," said Djokovic, who is bidding to capture his fourth US Open trophy and 18th Grand Slam title.
BEIJING, Sept. 3 (Xinhua) -- The English Premier League announced on Thursday that they have terminated their cooperation with Chinese broadcaster PP Sports.
Fiorentina loanee Pedro put the visitors ahead in just the second minute by pouncing on an errant pass and sliding home from close range.
BUDAPEST, Sept. 2 (Xinhua) -- Hungary's Attila Valter won the Tour de Hongrie cycling race on Wednesday, beating American and Australian rivals.
The total number of coronavirus cases in the United States has surpassed 6 million, with national death toll topping 185,000, according to data compiled by Johns Hopkins University.