On December 14, Beijing time, the 3rd matchday of the 2021 Badminton World Championships began to compete. In a focus battle in the men's singles arena, China's Li Shifeng played against the 12th seed Srikante. Srikante is ranked 14th in the world and Li Shifeng is ranked 63rd, and the two sides have met once before, and Srikante has won the competition.

The first half of today's first innings were very anxious, the point difference has not been opened, li Shifeng led 11-10 into the technical interval. After the suspension returned, Li Shifeng gradually opened the gap in the second half, and after 19-15, Li Shifeng scored two consecutive points and won the first set 21-15.
Li Shifeng once led his opponent 9-6 in the second set, but then Slicant found his form and scored 10 consecutive points to win 7 points at 16-9. In the final stage of the inning, Li Shifeng struggled to catch up, but Slicante firmly grasped the situation on the field and pulled back a set at 21-18.
Li Shifeng maintained a slight advantage in the first half of the decider, entering the interval 11-9. Srikante scored six consecutive points while trailing 10-13 and turned the tide in one fell swoop, eventually winning the decider 21-17.
In the end, after three rounds of fierce fighting, the 12th seed Srikante defeated China's Li Shifeng 15-21/21-18/21-17 to successfully reach the men's singles round of 16, and the next round of the match Srikanter will face the winner between Lu Guangzu and the 4th seed Zhou Tiancheng. Li Shifeng regretted being out, and he became the first men's singles player to get out of the game.