On October 17, 2021, the badminton Uber Cup final began, the Chinese team and the Japanese team competed for the championship, the first singles Chen Yufei fought against Akane Yamaguchi, the two sides played again after the Sudirman Cup, the last time Chen Yufei lost 0-2 to Akane Yamaguchi, both of them are top masters, the victory or defeat all depends on the on-field play, Yamaguchi Akane's state is not stable, before it was swept by Ann, so it was not optimistic about the outside world.

National feather sister Chen Yufei ranked 2nd in the world, won the gold medal in the Tokyo Olympic Games, the National Games successfully defended the title, Sudirman Cup won the championship, the competition continued, she has a good performance, the overall performance is very stable, the only recent loss is sudirman Cup final defeat to Akane Yamaguchi, the opponent ranked 5th in the world, the strength of the two sides is relatively close, come to the competition Chen Yufei performed better.
For both sides, the outcome of this singles match is crucial, the overall strength of the Chinese team is stronger, as long as the Japanese team loses points in the first game, it is likely to lose 0-3, every time Chen Yufei and Yamaguchi Akane play will be very tired, mainly because the opponent's physical fitness is very difficult.
In the first set, Akane Yamaguchi took the lead, Chen Yufei actively adjusted to adapt to the rhythm of the game, Akane Yamaguchi made consecutive mistakes, the attack went straight out of bounds, Chen Yufei scored 3 points in a row with 8 draws and 11-8 into the intermission, after returning Chen Yufei lost points many times before the net, Akane Yamaguchi chased to 14 draws to get 2 points and 16-14 leads, both sides scored 4 points Yamaguchi Akane 20-18 innings, Chen Yufei returned the ball out of bounds, and Akane Yamaguchi took the lead 21-18.
Chen Yufei is in a general state, Yamaguchi Akane lagged behind in the game to take the lead to accelerate the establishment of a lead, both of them had offensive mistakes, but then Yamaguchi Akane's overall performance was indeed more stable, Chen Yufei's backward mentality changed, and the rush to chase points was left to the opponent a good opportunity.
In the second set, Yamaguchi Akane led 3-0, Chen Yufei began to accelerate to score 5 consecutive points to overtake, although Yamaguchi Akane took the initiative to attack not much, but she continued to consume Chen Yufei's physical strength through multi-shot confrontation, Yamaguchi Akane's playing style, resulting in Chen Yufei being more uncomfortable, his own state is indeed not the best, the attack can not be played, there is no too good way to deal with it, Yamaguchi Akane scored 11-7 consecutively to lead into the midfield timeout.
Next, Akane Yamaguchi stepped up her offensive attack, pulling the point difference to 16-9, followed by Akane Yamaguchi taking the lead in an all-round way, and soon burst out 21-10 to lock up the victory of the game, Akane Yamaguchi defeated Chen Yufei 2-0, Chen Yufei lost two consecutive tournaments to Akane Yamaguchi, which was the first time that the Chinese team lost points in this Uber Cup, the first singles loss, the next game will be much more difficult to play, and the victory or defeat of the second doubles game is crucial.