 Spain: M15 Telde 2 - Doubles - Main |
|---|
| Quarter-finals | Kostka T./Pino S. | Barreto Sanchez D. A./Blanch D. | 1:2 (4:6, 6:3, 10:12) | details | 17.04.2024 |
| 1/8-finals | Herberg Amoros A./Lazaro Juncadella M. | Kostka T./Pino S. | 0:2 (5:7, 3:6) | details | 16.04.2024 |
 Greece: M15 Heraklion 3 - Doubles - Main |
|---|
| 1/8-finals | Huber D./Kahoun J. | Kostka T./Pietri B. | 2:0 (7:63, 6:3) | details | 17.10.2023 |
 France: M25 Grasse - Doubles - Main |
|---|
| Quarter-finals | Hoang A./Lamasine T. | Kostka T./Pietri B. | 2:0 (6:3, 6:2) | details | 16.06.2023 |
| 1/8-finals | Kostka T./Pietri B. | Klintcharov A./Puttergill L. | 2:0 (6:2, 6:2) | details | 14.06.2023 |
 Tunisia: M15 Monastir 10 - Doubles - Main |
|---|
| 1/8-finals | Bhangdia J./Canter A. | Aboufirassi H./Kostka T. | 2:0 (6:1, 6:0) | details | 07.03.2023 |
| France: M25 Grasse - Doubles - Main |
|---|
| Quarter-finals | Calcara T./Kostka T. | Kestelboim M./Oliel Y. | 0:2 (0:6, 2:6) | details | 15.06.2022 |
| 1/8-finals | Alimli M./Ghedjemis R. | Calcara T./Kostka T. | 1:2 (4:6, 7:5, 7:10) | details | 14.06.2022 |
