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Dimitrij Ovtcharov of Germany celebrates after winning the final against his compatriot Timo Boll at 2017 ITTF Men's World Cup in Liege, Belgium, Oct. 22, 2017. (Xinhua/Ye Pingfan)
Dimitrij Ovtcharov of Germany celebrates after winning the final against his compatriot Timo Boll at 2017 ITTF Men's World Cup in Liege, Belgium, Oct. 22, 2017. (Xinhua/Ye Pingfan)