On the evening of December 17, Beijing time, the World Championships entered the 6th matchday of the competition, in a focus battle in the women's doubles field, the top seed Chen Qingchen / Jia Yifan played, the two opponents are the 7th seed Nao matsuyama / Chiyo Shida. In the previous two pairs have had a total of 5 encounters, Chen Qingchen / Jia Yifan 3 wins and 2 losses slightly prevailed.
In the first half of the first set, the two sides alternated leads, the point difference did not open, and the combination of fan dust led 11-9 into a technical interval. After the timeout, Matsuyama Nao/Shida Chiyo chased down 11 draws, but then Chen Qingchen/Jia Yifan scored seven consecutive points to open the gap 18-11. The opponent chased 13-18, and Fan Chen scored another 3 points before winning the first set 21-13.
In the second set, Nao Matsuyama / Chiyo Shida took the lead from the start of the game, and the two led 11-6 into the technical timeout, after which the two extended their advantage to 16-9 at one point. At the critical moment, the FanChen combination began to exert force, and the two in the end of the innings played a wave of 12-1 scoring, winning the second set 21-17 in one fell swoop.
In the end, after two rounds of competition, Chen Qingchen / Jia Yifan defeated the combination of Naoya Matsuyama / Chiyo Shida 21-13/ 21-17 to successfully reach the final four of this World Championship. The Mortal Dust group, which broke into the final four, locked up a medal in the women's doubles event ahead of schedule.