Latisha Chan (L) and Hao-Ching Chan of Chinese Taipei compete during the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. (Xinhua/Nikku)

Latisha Chan (rear) and Hao-Ching Chan of Chinese Taipei celebrate after winning the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. Hao-Ching Chan and Latisha Chan won 2-1 and claimed the title. (Xinhua/Nikku)

Hao-Ching Chan (R) and Latisha Chan of Chinese Taipei pose during the awarding ceremony after the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. (Xinhua/Nikku)

Hao-Ching Chan (R) and Latisha Chan of Chinese Taipei celebrate after winning the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. Hao-Ching Chan and Latisha Chan won 2-1 and claimed the title. (Xinhua/Nikku)

Hao-Ching Chan (R) and Latisha Chan of Chinese Taipei hold up the trophy during the awarding ceremony after the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. (Xinhua/Nikku)

Hao-Ching Chan (L) and Latisha Chan of Chinese Taipei celebrate after winning the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. Hao-Ching Chan and Latisha Chan won 2-1 and claimed the title. (Xinhua/Nikku)

Hao-Ching Chan (R) and Latisha Chan of Chinese Taipei kiss the trophy during the awarding ceremony after the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. (Xinhua/Nikku)

Hao-Ching Chan (L) and Latisha Chan of Chinese Taipei celebrate after winning the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. Hao-Ching Chan and Latisha Chan won 2-1 and claimed the title. (Xinhua/Nikku)

Latisha Chan (L) and Hao-Ching Chan of Chinese Taipei compete during the doubles final against Demi Schuurs of the Nederlands and Anna-Lena Groenefeld of Germany at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. Hao-Ching Chan and Latisha Chan won 2-1 and claimed the title. (Xinhua/Nikku)

Hao-Ching Chan (R top) and Latisha Chan (L top) of Chinese Taipei compete with Demi Schuurs (L bottom) of the Nederlands and Anna-Lena Groenefeld of Germany during their doubles final at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. Hao-Ching Chan and Latisha Chan won 2-1 and claimed the title. (Xinhua/Nikku)

Demi Schuurs (1st L) of the Nederlands, Anna-Lena Groenefeld (2nd L) of Germany, Hao-Ching Chan (1st R) and Latisha Chan of Chinese Taipei pose for photos during the awarding ceremony after their doubles final at the 2019 WTA Qatar Open in Doha, Qatar, Feb. 16, 2019. (Xinhua/Nikku)