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Russia's Vladimir Ivanov (rear) and Ivan Sozonov return hit a return against Japan's Hiroyuki Endo and Yuta Watanabe during their men's 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)

Russia's Vladimir Ivanov (rear) and Ivan Sozonov return hit a return against Japan's Hiroyuki Endo and Yuta Watanabe during their men's 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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Japan's Hiroyuki Endo (L) and Yuta Watanabe (R) hit a return against Russia's Vladimir Ivanov and Ivan Sozonov during their men's 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)

Japan's Hiroyuki Endo (L) and Yuta Watanabe (R) hit a return against Russia's Vladimir Ivanov and Ivan Sozonov during their men's 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)