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France's Thom Gicquel (back) and Delphine Delrue hit a return against Vietnam's Tuan Duc Do and Nhu That Pham during their mixed doubles match at the Sudirman Cup world badminton championships in Nanning on May 20, 2019. (Photo by WANG ZHAO / AFP) (Photo credit should read WANG ZHAO/AFP/Getty Images)

France's Thom Gicquel (back) and Delphine Delrue hit a return against Vietnam's Tuan Duc Do and Nhu That Pham during their mixed doubles match at the Sudirman Cup world badminton championships in Nanning on May 20, 2019. (Photo by WANG ZHAO / AFP)        (Photo credit should read WANG ZHAO/AFP/Getty Images)

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JAKARTA, INDONESIA - JULY 17: Tontowi Ahmad and Winny Oktavina Kandow of Indonesia compete against Satwiksairaj Rankireddy and Ashwini Ponnappa of India on day two of the Bli Bli Indonesia Open at Istora Gelora Bung Karno on July 17, 2019 in Jakarta, Indonesia. (Photo by Robertus Pudyanto/Getty Images)

JAKARTA, INDONESIA - JULY 17: Tontowi Ahmad and Winny Oktavina Kandow of Indonesia compete against Satwiksairaj Rankireddy and Ashwini Ponnappa of India on day two of the Bli Bli Indonesia Open at Istora Gelora Bung Karno on July 17, 2019 in Jakarta, Indonesia. (Photo by Robertus Pudyanto/Getty Images)