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| Semi-finals | Mertgens N. | Juarez F. | 0:2 (3:6, 2:6) | details | 27.07.2025 | ||
| Semi-finals | Mertgens N. | Vankan M. | 0:2 (4:6, 0:6) | details | 28.07.2024 | ||
| 1/8-finals | Merino A./Negritu Ch. | Mertgens N./Pereira J. | WO. | details | 04.08.2023 | ||