Xu Xin (L) /Liu Shiwen of China compete during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Wang Chuqin (L) /Sun Yingsha of China compete during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (L) /Liu Shiwen of China compete during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Wang Chuqin (L) /Sun Yingsha of China compete during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (R) /Liu Shiwen of China celebrate at the awarding ceremony after the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (L) /Liu Shiwen of China compete during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (L) /Liu Shiwen of China compete during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (R) /Liu Shiwen of China pose for photos at the awarding ceremony after the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (R) and Liu Shiwen of China clap hands after the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (R) /Liu Shiwen of China celebrate during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)

Xu Xin (L) /Liu Shiwen of China compete during the mixed doubles final match between Xu Xin/Liu Shiwen of China and Wang Chuqin/Sun Yingsha of China at the 2019 Asian Table Tennis Championship in Yogyakarta, Indonesia, Sept. 21, 2019. (Xinhua/Du Yu)