Japan's Okuhara Nozomi returns the shuttle during the women's singles final match against India's Sindhu Pusarla V. at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019. (Photos: Xinhua)

India's Sindhu Pusarla V. returns the shuttle during the women's singles final match against Japan's Okuhara Nozomi at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

India's Sindhu Pusarla V. celebrates after the women's singles final match against Japan's Okuhara Nozomi at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

India's Sindhu Pusarla V. returns the shuttle during the women's singles final match against Japan's Okuhara Nozomi at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

India's Sindhu Pusarla V. (L) greets Japan's Okuhara Nozomi after the women's singles final match at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

India's Sindhu Pusarla V. returns the shuttle during the women's singles final match against Japan's Okuhara Nozomi at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

India's Sindhu Pusarla V. competes during the women's singles final match against Japan's Okuhara Nozomi at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

India's Sindhu Pusarla V. celebrates after the women's singles final match against Japan's Okuhara Nozomi at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

Japan's Okuhara Nozomi returns the shuttle during the women's singles final match against India's Sindhu Pusarla V. at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.

Japan's Okuhara Nozomi returns the shuttle during the women's singles final match against India's Sindhu Pusarla V. at the BWF Badminton World Championships 2019 in Basel, Switzerland, Aug. 25, 2019.