Lin Dan of team China competes against Arnaud Merkle (not in photo) of team France during the BWF Thomas Cup 2018 Group A match in Bangkok, Thailand, on May 21, 2018. (Xinhua/Wang Shen)

　　Lin Dan of team China competes against Arnaud Merkle (not in photo) of team France during the BWF Thomas Cup 2018 Group A match in Bangkok, Thailand, on May 21, 2018. (Xinhua/Wang Shen)

　　Lin Dan of team China competes against Arnaud Merkle (not in photo) of team France during the BWF Thomas Cup 2018 Group A match in Bangkok, Thailand, on May 21, 2018. (Xinhua/Wang Shen)

　　Lin Dan of team China competes against Arnaud Merkle (not in photo) of team France during the BWF Thomas Cup 2018 Group A match in Bangkok, Thailand, on May 21, 2018. (Xinhua/Wang Shen)