On the evening of December 18, Beijing time, the women's singles semifinals of the 2021 Badminton World Championships began to compete. China's He Bingjiao competed against top seed Dai Ziying. Dai Ziying is currently ranked No. 1 in the world, and He Bingjiao is ranked No. 9 in the world. In the previous two have a total of 10 meetings, He Bingjiao is in a disadvantage of 2 wins and 8 losses.
In the first set, Dai Ziying started 5-0, and He Bingjiao gradually entered the state, scoring 8 points in a row and then 8-5. Dai Ziying continued to chase points, and the two reached a stalemate, with He Bingjiao leading by one point at 11-10 and entering a technical interval. After the timeout, Dai Ziying scored 5 consecutive points to win again, after which she maintained her advantage and won the first set 21-17 Dai Ziying.
In the second set, Dai Ziying's mistakes began to increase, and He Bingjiao began to widen the gap after 3 draws, and she scored 6 consecutive points to enter the technical interval 11-4. He Bingjiao continued to extend her lead in the middle, at one point leading her opponent by 10 points at 19-9. Dai Ziying chased down 13-19 and He Bingjiao scored two more points to win the second set 21-13.
The two alternated leads in the decider, with Dai Ziying scoring eight consecutive points at 5-6 and establishing a seven-point advantage at 13-6. In the middle of the game, He Bingjiao played a small climax of chasing points, once chasing 12-15 only 3 points. Dai Ziying adjusted and took control of the situation again, winning the match point 20-14. At the match point, He Bingjiao returned the ball out of bounds, and Dai Ziying won the decider 21-14.
In the end, after three rounds of fierce battles, the world's no. 1 Dai Ziying defeated He Bingjiao 21-17/13-21/21-14 and successfully reached the women's singles final of the World Championships. This is the first time in Dai Ziying's career that she has advanced to the final of the World Championships. He Bingjiao once again fell short, regretting that she lost the final.