
Denmark's Jonathan Groth competes during the Men's Singles quarter final against Germany's Wang Xi at the ITTF 2017 Challenge Zagreb Open table tennis tournament in Zagreb, Croatia, May 5, 2017. Jonathan Groth won 4-0. (Xinhua/Sanjin Strukic)

Denmark's Jonathan Groth competes during the Men's Singles quarter final against Germany's Wang Xi at the ITTF 2017 Challenge Zagreb Open table tennis tournament in Zagreb, Croatia, May 5, 2017. Jonathan Groth won 4-0. (Xinhua/Sanjin Strukic)