 Montenegro: M15 Ulcinj 2 - Doubles - Main |
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| 1/8-finals | Ovcharenko O./Paz J. P. | Derdoy F./Falabella L. A. | 2:1 (6:4, 2:6, 10:6) | details | 08.09.2021 |
| Montenegro: M15 Ulcinj - Doubles - Main |
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| 1/8-finals | Derdoy F./Falabella L. A. | Kekez D./Madarasz G. | 1:2 (3:6, 6:4, 15:17) | details | 31.08.2021 |
 Romania: M15 Curtea de Arges - Doubles - Main |
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| Quarter-finals | Bruna N./Derdoy F. | Pokotilov B./Snitari I. | 0:2 (64:7, 62:7) | details | 12.08.2021 |
| 1/8-finals | Antonescu V./Jecan M. A. | Bruna N./Derdoy F. | 1:2 (64:7, 6:1, 12:14) | details | 10.08.2021 |
 Egypt: M15 Cairo 11 - Doubles - Main |
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| Quarter-finals | Efstathiou M./Kyratzis S. | Derdoy F./Falabella L. A. | 2:1 (5:7, 7:5, 10:8) | details | 05.08.2021 |
| 1/8-finals | Derdoy F./Falabella L. A. | Folliot Q./Uzhylovskyi V. | 2:1 (6:3, 65:7, 11:9) | details | 03.08.2021 |
 Bosnia and Herzegovina: M15 Doboj - Doubles - Main |
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| 1/8-finals | Bruna N./Derdoy F. | Minarik K./Pokorny L. | 0:2 (4:6, 3:6) | details | 14.07.2021 |
Argentina: M15 Cordoba - Singles - Main