Du Yong/Li Yinhui fought hard for 126 minutes in the 1/4 finals to reverse Japans Rio Olympic champion Matsuo Mitsuoji/Takahashi Lihua, which consumed a lot of physical energy. In the semi-finals, Du Yong/Li Yinhui met another pair of famous Japanese players, Yukio Fukushima/Hiroshima. Du Yue/Li Yinhui lost the last two times after winning the first three times.
At the beginning of the first game, the two sides took more tugs and saw battles. Du Yong/Li Yinhui played with patience, but there were too many active mistakes. They fell into a passive start, falling behind by 3-6 and 4-7 at one time. Du Yong/Li Yinhui chased two points, Fukushima Yukichi/Hiroshima rose again, a wave of 4-0 scoring offensive, Du Yo/Li Yinhui 6-11 lagged behind when suspended. Du Yong/Li Yinhui scored 2 points after the suspension, but still could not control the situation. Yukio Fukushima/Hiroshima took 6 points and completely opened the score. Du Yong/Li Yinhui was totally passive, losing the first game with 11-21 points.
Du Yong/Li Yinhui started the second game smoothly, and the cooperation between the two players was more tacit than the first one. The offensive effect was also significantly improved, leading by 5-2 at the beginning. Du Yue/Li Yinhui controlled the rhythm and continued to lead 9-7 and 10-8, but Yukio Fukushima/Hiroshima won 3 points in a row and returned to the suspension by 11-10. After the suspension, the two pairs of combinations continued to pull saw, playing very glued. After 13-level, Du Yue/Li Yinhui was pulled two points apart, but after 14-16, they scored three points in a row, once 17-16 overtook. At the critical moment, Du Yong/Li Yinhui was somewhat soft-handed. On the contrary, Yukio Fukushima/Hiroshima was more brave in Vietnam at the end of the Hiroshima Game. Du Yong/Li Yinhui lost 5 points in a row and lost another game 17-21. Yukio Fukushima/Hiroshima Game failed to win the final 0-2.