Fernando opened the scoring for Guoan in the 17th minute, as he sent Zhang Yuning's pinpoint through ball into the top-left corner.
Koeman also discussed rumors over interest from other clubs in winger Ousmane Dembele, whose sale would raise funds for new arrivals.
Wuhan Zall had no chances to enter the championship race after losing to Hebei China Fortune 2-0, while Tianjin enlarged its winless record to 13 games after being defeated by Qingdao Huanghai 3-0 before the match.
Saturday's last game saw Danny Ings' fifth-minute goal against one of his former clubs give Southampton a 1-0 win away to Burnley for their first win of the season. Enditem
The National Sliding Center will become the first competition venue of Beijing Winter Olympic Games for the national team to undertake training tasks.
"We are a bit weak in the question of central defenders: with Gerard (Pique) and (Clement) Lenglet and (Ronald) Araujo, we are a bit short ... it is weak for the season that we are going to play," he admitted.
Roma, Paris Saint-Germain, Ajax, Bayern Munich and Wolverhampton Wanderers have also been linked with the attacker.
LONDON, Sept. 27 (Xinhua) -- Leicester City went top of the Premier League on Sunday night after Jamie Vardy scored a hat-trick in his side's 5-2 win away to Manchester City to give them nine points from three games.
"I'm really pleased with the victory. It's always tough to start the tournament. I was a bit nervous. She played really well in the first set, she didn't miss. Then I just found the rhythm," said the 2018 champion.
Ye's teammate Yu Yiting won the title in the final in 4:42.12s, Zhang Yifan from Hebei, got the silver and Yin Jiahe, also from Zhejiang, took third place.
PARIS, Sept. 29 (Xinhua) -- Czech Karolina Pliskova survived a first-round scare at the French Open on Tuesday as the second seed rallied to beat Egypt's qualifier Mayar Sherif 6-7 (9), 6-2, 6-4 to advance to second round.