Stadium: Center Court Round: 27 Ground: Hardcourt outdoor
| Challenger Nur-Sultan MD | 2020/03/10 12:15 | Khabibulin T / Kravchuk K v Griekspoor T / van de Zandschulp B | 6-7,6-7 |
| Challenger - Koblenz - Doubles Hommes | 2020/02/21 17:45 | Arends S / Pel D v Griekspoor T / van de Zandschulp B | 3-6,7-6,12-10 |
| Challenger - Koblenz - Doubles Hommes | 2020/02/20 14:55 | Added D / Eriksson M v Griekspoor T / van de Zandschulp B | 6-7,2-6 |
| ATP - Rotterdam - Doubles Hommes | 2020/02/09 13:40 | Kontinen H / Struff J-L v Griekspoor T / van de Zandschulp B | 6-3,7-5 |
| ATP - Rotterdam - Doubles Hommes | 2020/02/08 17:00 | Griekspoor T / van de Zandschulp B v Bublik A / Stakhovsky S | 6-3,6-7,10-5 |
| Challenger Ismaning MD | 2019/10/18 16:15 | Griekspoor T / van de Zandschulp B v Cerretani J / Cressy M | 5-7,7-6,5-10 |
| Challenger Ismaning MD | 2019/10/17 18:10 | Griekspoor T / van de Zandschulp B v Blancaneaux/Neuchrist | 6-3,6-3 |
| Challenger Ismaning MD | 2019/10/15 18:40 | Ramanathan R / Vega Hernandez D v Griekspoor T / van de Zandschulp B | 6-7,5-7 |