Jörg Roßkopf, the German men's national team head coach, shares what he believes is the secret to becoming the top player in the world. For him, it comes down to practice, knowing where your weaknesses are as a player, and having something special in your game. What do you think it takes to become the top player in the world? #ITTF #TableTennis #Celebrating100YearsOfTableTennis