 World: Billie Jean King Cup - Group II - Doubles - Placement matches |
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| | Neel I./Rahnel L. | Herdzelas D./Wagner A. | CAN. | details | 13.04.2024 |
| | Herdzelas D./Wagner A. | Lekaj A./Rushiti A. | 2:1 (6:0, 1:6, 10:3) | details | 11.04.2024 |
| World: Billie Jean King Cup - Group II - Doubles - Main |
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| | Lukosiute A./Paukstyte P. | Herdzelas D./Wagner A. | 0:2 (3:6, 3:6) | details | 10.04.2024 |
| | Herdzelas D./Wagner A. | Aziz O./Qostal L. | 1:0 RET. (6:1) | details | 09.04.2024 |
| | Herdzelas D./Wagner A. | El Allami M./El Aouni A. | CAN. | details | 09.04.2024 |
 Croatia: W75 Split - Doubles - Main |
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| 1/8-finals | Primorac I./Radanovic D. | Herdzelas D./Lukas T. | 2:1 (4:6, 6:2, 10:4) | details | 03.04.2024 |
 Egypt: W15 Sharm ElSheikh - Doubles - Main |
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| 1/8-finals | Herdzelas D./Hietaranta L. | Burdina E./Laskutova K. | 1:2 (7:5, 2:6, 9:11) | details | 06.02.2024 |
| Egypt: W35 Sharm ElSheikh - Doubles - Main |
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| 1/8-finals | Klimovicova L./Shinikova I. | Gasanova A./Herdzelas D. | 2:0 (6:1, 7:5) | details | 30.01.2024 |
 Turkey: W35 Antalya - Doubles - Main |
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| 1/8-finals | Herdzelas D./Lovric P. | Curovic T./Marinkovic B. | CAN. | details | 11.01.2024 |
 Italy: W25 Solarino - Doubles - Main |
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| Quarter-finals | Herdzelas D./Strakhova V. | Lindh E./Schmidt A. | WO. | details | 02.11.2023 |
| Italy: W25 Santa Margherita di Pula 11 - Doubles - Main |
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| Quarter-finals | Herdzelas D./Lukas T. | Dentoni C./Peretti M. | WO. | details | 25.10.2023 |
| Italy: W25 Santa Margherita di Pula 10 - Doubles - Main |
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| Semi-finals | Colmegna M./Pigato L. | Herdzelas D./Lukas T. | 2:0 (6:2, 7:65) | details | 20.10.2023 |
| Quarter-finals | Herdzelas D./Lukas T. | Dinu C./Prisacariu A. | WO. | details | 19.10.2023 |
| 1/8-finals | Herdzelas D./Lukas T. | Talleri C./Tsygourova K. | 2:1 (7:5, 2:6, 10:5) | details | 18.10.2023 |
 North Macedonia: W40 Skopje - Doubles - Main |
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| 1/8-finals | Gjorcheska L./Herdzelas D. | Christofi E./Pavlou D. | 1:2 (3:6, 6:2, 7:10) | details | 12.09.2023 |
 Germany: W25 Aschaffenburg - Doubles - Main |
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| Quarter-finals | Herdzelas D./Lukas T. | Leonard M./Nguyen Tan L. | 1:2 (2:6, 6:4, 3:10) | details | 13.07.2023 |
| Germany: W25 Stuttgart-Vaihingen - Doubles - Main |
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| Quarter-finals | Kawamura M./Naito Y. | Herdzelas D./Lukas T. | 2:0 (6:2, 6:0) | details | 06.07.2023 |
| 1/8-finals | Giraldi Requena A./Nweke D. | Herdzelas D./Lukas T. | 0:2 (5:7, 4:6) | details | 04.07.2023 |
Czech Republic: W25 Frydek Mistek - Singles - Main
Spain: W60 Madrid - Singles - Main
Serbia: W15 Kursumlijska Banja 8 - Singles - Main