De Jong (25), the number 79 in the world, fell 4-6 4-6 against the Frenchman Adrian Mannarino. Van de Zandschulp (29) also had to recognize his superior in a Frenchman. The global number 84 narrowly lost after two tiebreaks from Térence Atmane: 6-7 (5) 6-7 (7).
Tallon Griekspoor (29) is automatically placed in China for the main schedule. In the first round he also plays against a Frenchman, Corentin Moutet.
Robin Haase wins with German partner Double Tournament in China
Robin Haase, with his German partner Constantin Frantzen, won the double tournament in Chengdu, Chinese.
Haase met a countryman on the other side of the net with Bart Stevens. It formed a double with the American Vasil Kirkov. Haase and Frantzen won after a supertiebreak: 4-6, 6-3, 10-7.
Former successful tennis coach Nikola Pilic (86) died
In Hangzhou, also in China, David Pel lost the double final. Pel, together with the Australian Rinky Hijikata still a finalist at Wimbledon, played in Hangzhou together with the Colombian Nicolas Barrientos.
The first placed Portuguese-Austrian couple Francisco Cabral/Lucas Miedler was too strong in two sets: 6-4, 6-4.