 France: W35 Le Gosier - Doubles - Main |
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| Semi-finals | Duerst J./Ostlund F. | Dartron E./Lene E. | 1:2 (2:6, 6:3, 9:11) | details | 26.01.2024 |
| Quarter-finals | Duerst J./Ostlund F. | Mina B./Sall A. | 2:0 (6:1, 6:3) | details | 25.01.2024 |
| France: W35 Petit-Bourg - Doubles - Main |
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| Final | Duerst J./Ostlund F. | Herrmann S./Schmidt A. | 2:0 (6:2, 7:5) | details | 20.01.2024 |
| Semi-finals | Duerst J./Ostlund F. | Dartron E./Lene E. | 2:1 (6:3, 4:6, 10:7) | details | 19.01.2024 |
| Quarter-finals | Duerst J./Ostlund F. | Bernier N./Vilar G. | 2:0 (6:1, 6:0) | details | 18.01.2024 |
| 1/8-finals | Duerst J./Ostlund F. | Szabo B./Wirges A. | 2:0 (6:4, 6:4) | details | 17.01.2024 |
 Switzerland: W60 Collonge-Bellerive - Doubles - Main |
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| Semi-finals | Duerst J./Ostlund F. | Perrin C./Siskova A. | 1:2 (6:3, 3:6, 2:10) | details | 01.09.2023 |
| Quarter-finals | Radivojevic L./Szabanin N. | Duerst J./Ostlund F. | 0:2 (1:6, 4:6) | details | 31.08.2023 |
| 1/8-finals | Ganz F./Luescher S. | Duerst J./Ostlund F. | 0:2 (5:7, 0:6) | details | 30.08.2023 |
 Sweden: W40 Ystad - Doubles - Main |
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| Final | Duerst J./Ostlund F. | Sharma A./Strakhova V. | 1:2 (6:4, 63:7, 9:11) | details | 24.06.2023 |
| Semi-finals | Haverlag I./Papamichail D. | Duerst J./Ostlund F. | 0:2 (4:6, 3:6) | details | 23.06.2023 |
| Quarter-finals | Duerst J./Ostlund F. | Hatouka Y./Zaytseva K. | 2:1 (4:6, 6:3, 10:4) | details | 22.06.2023 |
| 1/8-finals | Duerst J./Ostlund F. | Ureke A./Vasilescu A. | 2:0 (6:1, 6:3) | details | 21.06.2023 |
| Sweden: W25 Bastad - Doubles - Main |
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| Final | Kubka M./Kulambayeva Z. | Duerst J./Ostlund F. | 1:2 (4:6, 7:63, 7:10) | details | 13.05.2023 |
| Semi-finals | McPhee K./Silva E. | Duerst J./Ostlund F. | 1:2 (6:4, 65:7, 8:10) | details | 12.05.2023 |
| Quarter-finals | Johansson I./Stromquist T. | Duerst J./Ostlund F. | 0:2 (62:7, 4:6) | details | 11.05.2023 |
| 1/8-finals | Soboleva A./Yesypchuk D. | Duerst J./Ostlund F. | 0:2 (2:6, 1:6) | details | 10.05.2023 |
 South Africa: W60 Pretoria - Doubles - Main |
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| Quarter-finals | Duerst J./Ostlund F. | Korneeva A./Samir S. | 0:2 (62:7, 4:6) | details | 16.03.2023 |
| 1/8-finals | Cengiz B./Oz I. | Duerst J./Ostlund F. | CAN. | details | 14.03.2023 |
| 1/8-finals | Magarira R./Nweke D. | Duerst J./Ostlund F. | 0:1 RET. (3:6, 1:4) | details | 14.03.2023 |
| South Africa: W25 Pretoria - Doubles - Main |
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| Semi-finals | Duerst J./Ostlund F. | Bektas E./Glushko L. | 1:2 (6:3, 2:6, 7:10) | details | 10.03.2023 |
| Quarter-finals | John-Baptiste L./Maloney E. | Duerst J./Ostlund F. | 0:2 (3:6, 4:6) | details | 09.03.2023 |
| 1/8-finals | Kruger I./Robbe A. | Duerst J./Ostlund F. | 0:2 (3:6, 3:6) | details | 08.03.2023 |
 Guadeloupe: W25 Petit-Bourg - Doubles - Main |
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| Final | Duerst J./Ostlund F. | Ngounoue C./Svendsen J. C. | 2:0 (6:4, 6:3) | details | 21.01.2023 |
| Semi-finals | Duerst J./Ostlund F. | Cirotte A./Daniel J. | 2:1 (6:4, 64:7, 10:5) | details | 20.01.2023 |
| Quarter-finals | Duerst J./Ostlund F. | Lew Yan Foon A./Lim J. | 2:0 (6:1, 6:1) | details | 19.01.2023 |
 Martinique: W15 Fort-de-France - Doubles - Main |
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| Final | Duerst J./Ostlund F. | Fernandez B./Ulyashchenko A. | 2:1 (6:4, 3:6, 10:4) | details | 15.01.2023 |
| Semi-finals | Duerst J./Ostlund F. | Cirotte A./Rouvroy M. | 2:0 (7:62, 6:4) | details | 12.01.2023 |
| Quarter-finals | Duerst J./Ostlund F. | Lene E./Lim J. | 2:0 (6:3, 6:2) | details | 11.01.2023 |
