| Swiss Open - Mixed double | 2018/02/23 17:00 | Lamsfuss/Herttrich v Arends/Piek | L | 2-0 |
| Swiss Open - Mixed double | 2018/02/22 18:00 | Arends/Piek v Nohr/Thygesen | W | 2-1 |
| Swiss Open - Mixed double | 2018/02/20 17:30 | Arends/Piek v Yang/Sung | W | 2-0 |
| Indonesia Masters - Mixed double | 2018/01/16 08:30 | Arends/Piek v Goh/Lai | L | 0-2 |
| Indonesia Masters - Mixed double | 2018/01/12 08:30 | Arends/Piek v Puavaranukroh/Supajirakul | L | 0-2 |
| Giraldilla Int. XD | 2018/01/11 08:00 | Arends/Piek v Isriyanet/Chochuwong | W | 2-0 |
| Giraldilla Int. XD | 2018/01/10 02:00 | Arends/Piek v Thongnuam/Dubthuk | W | 2-0 |
| Giraldilla Int. XD | 2017/11/26 14:20 | Arends/Piek v Mikkelsen/Surrow | W | 2-0 |