| Spain Int XD | 2021/06/17 11:00 | Perez/Leal v Duijs/Van Der Aar | W | 1-2 |
| Portuguese Int. XD | 2021/05/07 13:50 | Kræmer/Kudsk v Duijs/Van Der Aar | L | 2-1 |
| Polish Open MD | 2021/03/27 09:00 | Duijs/Van Der Aar v Man/Tee | L | 0-2 |
| Polish Open MD | 2021/03/26 18:50 | Duijs/Van Der Aar v Tarun/Sharma | W | 2-0 |
| Polish Open MD | 2021/03/26 18:50 | Duijs/Van Der Aar v Kona/Sharma | W | 2-0 |
| Polish Open MD | 2021/03/26 12:40 | Orteu/Pham v Duijs/Van Der Aar | W | 1-2 |
| Slovak Open MD | 2020/02/28 17:20 | Janacek/Svejda v Duijs/Van Der Aar | L | 2-0 |
| Slovak Open MD | 2020/02/28 11:20 | Molares/Perez v Duijs/Van Der Aar | W | 0-2 |