 World: Billie Jean King Cup - Group I - Doubles - Placement matches |
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| | Nagy A./Stollar F. | Cengiz B./Oz I. | WO. | details | 13.04.2024 |
| | Cengiz B./Sonmez Z. | Cabaj Awad J./Nilsson L. | 2:0 (6:3, 6:1) | details | 11.04.2024 |
| World: Billie Jean King Cup - Group I - Doubles - Main |
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| | Ostapenko J./Semenistaja D. | Cengiz B./Oz I. | 2:1 (6:1, 64:7, 10:7) | details | 10.04.2024 |
| | Aksu A./Cengiz B. | Garcia M./Jorge M. | 1:2 (4:6, 6:3, 7:10) | details | 09.04.2024 |
| | Cengiz B./Oz I. | Jorge F./Jorge M. | CAN. | details | 09.04.2024 |
 Croatia: W75 Split - Doubles - Main |
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| 1/8-finals | Cascino E./Monnet C. | Cengiz B./Oz I. | 2:0 (7:64, 6:1) | details | 03.04.2024 |
 France: W75 Grenoble - Doubles - Main |
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| 1/8-finals | Cascino E./Cengiz B. | Appleton E./Christie F. | 0:2 (2:6, 0:6) | details | 06.02.2024 |
| France: W75 Andrezieux-Boutheon - Doubles - Main |
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| 1/8-finals | Cengiz B./Miyazaki L. | Grey S. B./Silva E. | 0:2 (3:6, 1:6) | details | 30.01.2024 |
 Turkey: W50 Antalya - Doubles - Main |
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| Quarter-finals | Cengiz B./Maristany G. | Aksu A./Wagner A. | 1:2 (6:3, 4:6, 0:10) | details | 18.01.2024 |
| 1/8-finals | Cengiz B./Maristany G. | Marinkovic B./Ovcharenko E. | 2:1 (4:6, 6:1, 10:5) | details | 17.01.2024 |
 Thailand: W50 Nonthaburi - Doubles - Main |
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| Quarter-finals | Cengiz B./Swan K. | Tararudee L./Tsao C. Y. | WO. | details | 04.01.2024 |
| 1/8-finals | Cheapchandej P./Plipuech P. | Cengiz B./Swan K. | 1:2 (3:6, 6:3, 1:10) | details | 02.01.2024 |
 Portugal: W40 Funchal - Doubles - Main |
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| Semi-finals | Mansouri Y./Murta I. | Cengiz B./Grammatikopoulou V. | 2:0 (6:3, 7:64) | details | 17.11.2023 |
| Quarter-finals | Curmi F./Topalova G. | Cengiz B./Grammatikopoulou V. | 0:2 (3:6, 5:7) | details | 16.11.2023 |
 United Kingdom: W60 Glasgow - Doubles - Main |
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| 1/8-finals | Cengiz B./Collins A. | Eala A./Palicova B. | 1:2 (6:4, 2:6, 2:10) | details | 25.10.2023 |
 Germany: W60 Hamburg - Doubles - Main |
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| Quarter-finals | Ibragimova A./Tran L. | Cengiz B./Morvayova V. | 2:0 (7:67, 6:0) | details | 18.10.2023 |
| 1/8-finals | Preugschat P./Silva J. | Cengiz B./Morvayova V. | 0:2 (4:6, 3:6) | details | 17.10.2023 |
 Italy: Bari - Doubles - Main |
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| 1/8-finals | Grammatikopoulou V./Lechemia E. | Cengiz B./Semenistaja D. | 2:0 (6:3, 6:2) | details | 05.09.2023 |
Switzerland: W75 Chiasso - Singles - Main
Finland: W35 Helsinki - Singles - Main
Andorra: Andorra - Singles - Main
Romania: Bucharest - Singles - Main
Czech Republic: W60 Prague 2 - Singles - Main