 Spain: W50 Palma del Rio - Doubles - Main |
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| Quarter-finals | Maklakova E./Yashina E. | Kostic T./Parres Azcoitia O. | 2:0 (6:2, 6:2) | details | 26.06.2024 |
| 1/8-finals | Alonso S./Martinez Solis C. S. | Kostic T./Parres Azcoitia O. | 0:2 (2:6, 2:6) | details | 24.06.2024 |
| Spain: W35+H Tauste - Doubles - Main |
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| 1/8-finals | Gureva A./Perez Garcia M. P. | Cortez Llorca L./Kostic T. | 2:0 (6:1, 6:3) | details | 18.06.2024 |
| Spain: W35 Yecla - Doubles - Main |
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| Semi-finals | Kostic T./Parres Azcoitia O. | Failla J./Iamachkine A. | 0:2 (0:6, 2:6) | details | 03.05.2024 |
| Quarter-finals | Rusova A./Scilipoti S. | Kostic T./Parres Azcoitia O. | 0:2 (4:6, 3:6) | details | 02.05.2024 |
| 1/8-finals | Cimarra Munoz C./Sandoval F. | Kostic T./Parres Azcoitia O. | 0:2 (1:6, 3:6) | details | 01.05.2024 |
 World: Billie Jean King Cup - Group I - Doubles - Placement matches |
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| | Klaffner M./Kostic T. | Milovanovic E./Ristic M. | 2:1 (6:3, 4:6, 10:8) | details | 12.04.2024 |
| World: Billie Jean King Cup - Group I - Doubles - Main |
|---|
| | Klaffner M./Kostic T. | Karatancheva L./Topalova G. | CAN. | details | 10.04.2024 |
 Luxembourg: W15 Esch/Alzette - Doubles - Main |
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| Semi-finals | Daems J./Firman A. | Hobgarski K./Kostic T. | 2:0 (6:3, 7:5) | details | 12.01.2024 |
| Quarter-finals | Kuparev A./Sato H. | Hobgarski K./Kostic T. | 0:2 (5:7, 1:6) | details | 11.01.2024 |
 Egypt: W15 Sharm ElSheikh 16 - Doubles - Main |
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| Final | Kostic T./Shubladze A. | Suvirdjonkova D./Zelinskaya D. | 1:2 (5:7, 6:2, 11:13) | details | 04.11.2023 |
| Semi-finals | Samir S./Shalimova E. | Kostic T./Shubladze A. | 0:2 (3:6, 4:6) | details | 03.11.2023 |
| Quarter-finals | Kostic T./Shubladze A. | Lazarenko K./Shan Y. | WO. | details | 02.11.2023 |
Tunisia: W50 La Marsa - Singles - Main
Turkey: W15 Antalya 8 - Singles - Main
Cyprus: W25 Limassol 2 - Singles - Main