 Spain: W15 Manacor 3 - Doubles - Main |
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| Semi-finals | Nikcevic T./Quevedo K. | Klasen A./Preugschat P. | 2:0 (7:5, 6:1) | details | 01.03.2024 |
| Quarter-finals | Klasen A./Preugschat P. | Johansson I./Nylander Altelius J. | 2:0 (6:2, 7:63) | details | 29.02.2024 |
| 1/8-finals | Klasen A./Preugschat P. | Martinez Vaquero M./Roura Llaverias R. | 2:0 (7:5, 7:65) | details | 27.02.2024 |
 Germany: W60 Hamburg - Doubles - Main |
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| 1/8-finals | Preugschat P./Silva J. | Cengiz B./Morvayova V. | 0:2 (4:6, 3:6) | details | 17.10.2023 |
 Turkey: W15 Antalya 12 - Doubles - Main |
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| Quarter-finals | Buchwald H./Preugschat P. | Hering K./Siedliska N. | 1:2 (6:4, 2:6, 5:10) | details | 20.04.2023 |
| 1/8-finals | Buchwald H./Preugschat P. | Atay S./Zanolini C. | 2:1 (7:64, 65:7, 10:7) | details | 18.04.2023 |
| Turkey: W15 Antalya 11 - Doubles - Main |
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| Quarter-finals | Diatlova K./Lazar S. | Buchwald H./Preugschat P. | 2:0 (6:2, 6:3) | details | 13.04.2023 |
| 1/8-finals | Jaskova A./Zhiyenbayeva S. | Buchwald H./Preugschat P. | 1:2 (6:3, 2:6, 7:10) | details | 12.04.2023 |
 Denmark: W15 Frederiksberg - Doubles - Main |
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| Quarter-finals | Ivanov V./Viller Moller H. | Ersoz V./Preugschat P. | 2:0 (7:63, 6:2) | details | 04.08.2022 |
| Turkey: W15 Antalya 12 - Doubles - Main |
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| 1/8-finals | Matsuda R./Preugschat P. | Cross K./Kupres M. | 0:2 (2:6, 2:6) | details | 27.04.2022 |
 Sweden: W15 Helsingborg - Doubles - Main |
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| Final | Klasen A./Preugschat P. | Prozorova T./Szabanin N. | 2:1 (1:6, 6:3, 11:9) | details | 13.11.2021 |
| Semi-finals | Hennemann C. W./Ostlund F. | Klasen A./Preugschat P. | 1:2 (6:4, 4:6, 7:10) | details | 12.11.2021 |
| Quarter-finals | Klasen A./Preugschat P. | Johansson I./Widell A. | 2:0 (7:65, 6:1) | details | 11.11.2021 |
| 1/8-finals | Koskel A. A./Saar K. | Klasen A./Preugschat P. | 0:2 (2:6, 610:7) | details | 10.11.2021 |