Indonesia's Mohammad Ahsan and Hendra Setiawan celebrate on the podium with medals after winning their men's doubles final match 2019 Badminton World Championships at St. Jakobshalle Basel, Basel, Switzerland, August 25, 2019. Ahsan/Hendra beat Takuro Hoki and Yugo Kobayashi 25-23, 9-21, 21-15. REUTERS/Vincent Kessler

Indonesia's Mohammad Ahsan and Hendra Setiawan in action during their men's doubles final match against Japan's Takuro Hoki and Yugo Kobayashi in 2019 Badminton World Championships at St. Jakobshalle Basel, Basel, Switzerland, August 25, 2019. REUTERS/Vincent Kessler

Indonesia's Mohammad Ahsan and Hendra Setiawan in action during their men's doubles final match against Japan's Takuro Hoki and Yugo Kobayashi in 2019 Badminton World Championships at St. Jakobshalle Basel, Basel, Switzerland, August 25, 2019. REUTERS/Vincent Kessler

Indonesia's Mohammad Ahsan and Hendra Setiawan in action during their men's doubles final match against Japan's Takuro Hoki and Yugo Kobayashi in 2019 Badminton World Championships at St. Jakobshalle Basel, Basel, Switzerland, August 25, 2019. ANTARA

Indonesia's Mohammad Ahsan and Hendra Setiawan in action during their men's doubles final match against Japan's Takuro Hoki and Yugo Kobayashi in 2019 Badminton World Championships at St. Jakobshalle Basel, Basel, Switzerland, August 25, 2019. ANTARA

Indonesia's Mohammad Ahsan and Hendra Setiawan pose after winning their match 2019 Badminton World Championships at St. Jakobshalle Basel, Basel, Switzerland, August 25, 2019. REUTERS/Vincent Kessler