Veenendaler Van de Zandschulp (28) is number 50 in the world. At the beginning of this year he reached the second round in Ahoy. He lost 6-2 6-2 to the Russian Daniil Medvedev, the eventual champion, who will be back in Rotterdam next year. Krajicek has also signed Jannik Sinner, Andrey Rublev, Holger Rune and Félix Auger-Aliassime.