Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0 and China won 3-0. (Xinhua/Liu Xu)

Shi Yuqi of China celebrates winning the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0 and China won 3-0. (Xinhua/Liu Xu)

Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0 and China won 3-0. (Xinhua/Liu Xu)

Shi Yuqi of China celebrates winning the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0 and China won 3-0. (Xinhua/Liu Xu)

Shi Yuqi of China celebrates winning the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0 and China won 3-0. (Xinhua/Liu Xu)

Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0 and China won 3-0. (Xinhua/Liu Xu)

Dechapol Puavaranukroh (L)/Sapsiree Taerattanachai of Thailand compete during the mixed doubles match against Zheng Siwei/Huang Yaqiong of China at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Zheng Siwei(L)/Huang Yaqiong of China react during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Zhang Jun, coach of Zheng Siwei/Huang Yaqiong of China, reacts during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Dechapol Puavaranukroh (R)/Sapsiree Taerattanachai of Thailand compete during the mixed doubles match against Zheng Siwei/Huang Yaqiong of China at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Kong Hui)

Dechapol Puavaranukroh (R)/Sapsiree Taerattanachai of Thailand compete during the mixed doubles match against Zheng Siwei/Huang Yaqiong of China at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Kong Hui)

Zheng Siwei(back)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Kong Hui)

Zheng Siwei(back)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Kong Hui)

Zhang Jun (R), coach of Zheng Siwei/Huang Yaqiong of China, reacts during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Zheng Siwei(R)/Huang Yaqiong of China react during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Kong Hui)

Zhang Jun (R), coach of Zheng Siwei/Huang Yaqiong of China, reacts during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Dechapol Puavaranukroh (L)/Sapsiree Taerattanachai of Thailand compete during the mixed doubles match against Zheng Siwei/Huang Yaqiong of China at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Zheng Siwei(L)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Zheng Siwei(top R)/Huang Yaqiong (top L) of China shake hands with Dechapol Puavaranukroh (bottom R)/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Kong Hui)

Dechapol Puavaranukroh (R)/Sapsiree Taerattanachai of Thailand compete during the mixed doubles match against Zheng Siwei/Huang Yaqiong of China at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Zheng Siwei(L)/Huang Yaqiong of China react during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Li Jundong)

Shi Yuqi of China reacts during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China reacts during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China reacts during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(L)/Huang Yaqiong of China react during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Kong Hui)

Zheng Siwei/Huang Yaqiong (front) of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei/Huang Yaqiong (front) of China react during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(L)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei/Huang Yaqiong (R) of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Zheng Siwei(R)/Huang Yaqiong of China compete during the mixed doubles match against Dechapol Puavaranukroh/Sapsiree Taerattanachai of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Zheng Siwei/Huang Yaqiong won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China reacts during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China reacts during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China reacts during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)

Shi Yuqi of China competes during the men's singles match against Kantaphon Wangcharoen of Thailand at the semifinal between China and Thailand of Sudirman Cup 2019 in Nanning, capital of south China's Guangxi Zhuang Autonomous Region, May 25, 2019. Shi Yuqi won 2-0. (Xinhua/Liu Xu)