| Dutch Open WD | 2018/10/13 16:00 | Piek S / Seinen C v Fruergaard/Thygesen | L | 2-0 |
| Sudirman Cup WD | 2019/05/22 12:00 | Polii G / Rahayu A v Fruergaard/Thygesen | L | 2-0 |
| Sudirman Cup WD | 2019/05/20 12:00 | Fruergaard/Thygesen v Birch C / Smith L | L | 1-2 |
| Denmark Int. WD | 2019/05/11 09:30 | Fruergaard/Thygesen v Kawashima M / Saito N | L | 1-2 |
| Indonesia Masters XD | 2018/11/15 06:00 | Du / Li v Fruergaard/Thygesen | L | 2-0 |
| Indonesia Masters XD | 2018/11/14 04:25 | Kan E / Zhong I v Fruergaard/Thygesen | W | 0-2 |
| Open d'Angleterre | 2018/11/07 06:15 | Fruergaard/Thygesen v Li/Zheng | L | 1-2 |
| Open de France - Doubles Femmes | 2018/10/26 15:00 | Polii G / Rahayu A v Fruergaard/Thygesen | L | 2-1 |
| Open de France - Doubles Femmes | 2018/10/25 13:30 | Tanaka S / Yonemoto K v Fruergaard/Thygesen | W | 0-2 |
| European Games WD | 2019/06/26 10:45 | Piek S / Seinen C v Ercetin/Inci | W | 2-0 |
| Sudirman Cup WD | 2019/05/21 11:30 | Piek S / Seinen C v Delrue D / Palermo L | L | 0-2 |
| Sudirman Cup WD | 2019/05/20 05:00 | Piek S / Seinen C v Chi B / Obanana P L | W | 2-0 |
| Sudirman Cup WD | 2019/05/19 04:30 | Piek S / Seinen C v Dinh T P H / Vu T T | W | 2-0 |
| Denmark Int. WD | 2019/05/11 16:07 | Watanabe/Ozaki v Piek S / Seinen C | L | 2-1 |
| Denmark Int. WD | 2019/05/11 15:30 | Ozaki S / Watanabe A v Piek S / Seinen C | L | 2-1 |
| Brazil International Series 2019, WD | 2019/05/04 14:30 | Honderich R / Tsai K v Piek S / Seinen C | L | 2-0 |
| Brazil International Series 2019, WD | 2019/05/03 14:00 | Lee/Lee v Piek S / Seinen C | W | 0-2 |