| International du Portugal Doubles Mixtes | 2023/03/11 15:00 | Adam/Bauer v Sondergaard/Bergstein | W | 0-2 |
| International du Portugal Doubles Mixtes | 2023/03/11 09:00 | Sondergaard/Bergstein v Roy/Tatranova | W | 2-0 |
| International du Portugal Doubles Mixtes | 2023/03/10 15:10 | Sondergaard/Bergstein v Krumpak/Novak | W | 2-0 |
| Irish Open XD | 2022/11/19 13:00 | Sondergaard/Bergstein v Mairs/Mairs | L | 0-2 |
| Irish Open XD | 2022/11/18 17:00 | Sondergaard/Bergstein v Volker/Kuspert | W | 2-0 |
| Irish Open XD | 2022/11/18 10:00 | Sondergaard/Bergstein v Toft/Graversen | W | 2-0 |
| Irish Open XD | 2022/11/17 18:50 | Grimley/Odonnell v Sondergaard/Bergstein | W | 0-2 |
| Irish Open XD | 2022/11/17 15:00 | Grimley C / O Donnell E v Sondergaard/Bergstein | W | 0-2 |
| International du Portugal Doubles Mixtes | 2023/03/11 15:00 | Wang/Yu v Smilowski P / Swierczynska M | W | 0-2 |
| International du Portugal Doubles Mixtes | 2023/03/11 09:00 | Smilowski P / Swierczynska M v Guildea/Noble | W | 2-0 |
| International du Portugal Doubles Mixtes | 2023/03/10 15:10 | Pringle/Andrew v Smilowski P / Swierczynska M | W | 0-2 |
| Championnat d'Europe - Doubles Mixtes | 2021/04/29 07:00 | Christiansen/Boje v Smilowski P / Swierczynska M | L | 2-0 |
| Championnat d'Europe - Doubles Mixtes | 2021/04/28 08:00 | Laanes M / Ruutel H v Smilowski P / Swierczynska M | W | 0-2 |
| Portuguese Int. XD | 2020/11/07 16:00 | Smilowski P / Swierczynska M v Grimley C / O Donnell E | L | 0-2 |
| Portuguese Int. XD | 2020/11/07 09:30 | Smilowski P / Swierczynska M v Orteu Y / Stadelmann J | W | 2-0 |
| SaarLorLux Open 2019, XD | 2020/10/28 15:30 | Smilowski P / Swierczynska M v Tabeling / Piek | L | 0-2 |