On December 17, the BWF World Tour Finals ushered in the final day. In the women's singles final, Tai Tzu Ying and Ma Lin met in a narrow way. In this game, the two sides fought fiercely for 3 rounds, and Dai Tzuying completed the reversal after losing 1 game first, defeated Marin 2-1, and won the finals championship for the fourth time in her career.
In the first game, Marin began to gradually establish a lead after a 4-4 draw, leading 11-6 into the technical break. After the timeout, Marin continued to extend his advantage and easily won the first game 21-12.
In the second game, the two sides were very fierce in the first half, and Marin led 11-9 into the technical break. In the middle section, Dai Ziying scored 6 points in a row and overtook Marin 15-11. After that, Dai Ziying made persistent efforts and scored 5 points in a row in another wave, ushering in the game point 20-13. Marin saved the first game point, and Tai Tzu Ying dragged the match into the deciding game 21-14.
After the deciding game 12-12, Dai Ziying suddenly made a force and scored 6 points in a row to open the score. Marin fought hard at the end of the game, saving two championship points from 16-20 to 18-20, and then Tai Tzu Ying cashed in on the third championship point to win the tiebreaker 21-18.
In the end, in a match that took 1 hour and 13 minutes, Tai Tzu Ying defeated Marin with a -18 reversal and won the finals for the fourth time in her career.