Select tournament type
| Quarter-finals | Orlov V. | Niedner N. | 2:0 (6:1, 7:68) | details | 08.08.2025 | ||
| 1/8-finals | Niedner N. | Filip J. | 2:1 (6:3, 2:6, 6:2) | details | 07.08.2025 | ||
| 1/16-finals | Schlageter J. | Niedner N. | 0:2 (3:6, 5:7) | details | 05.08.2025 | ||
| 1/16-finals | Niedner N. | Beckley A. | 0:2 (1:6, 5:7) | details | 18.06.2025 | ||
| 1/16-finals | Niedner N. | Van Sambeek F. | 1:2 (6:4, 4:6, 3:6) | details | 31.07.2024 | ||
| 1/16-finals | Niedner N. | Zanellato N. | 0:2 (1:6, 2:6) | details | 10.07.2024 | ||
| 1/16-finals | Niedner N. | Homberg M. | 0:2 (63:7, 3:6) | details | 03.07.2024 | ||
| 1/16-finals | Niedner N. | Zanellato N. | 0:2 (5:7, 4:6) | details | 03.08.2023 | ||
| 1/16-finals | Setkic A. | Niedner N. | 2:0 (6:2, 6:3) | details | 05.07.2023 | ||
| 1/16-finals | Papoe R. M. | Niedner N. | 2:0 (6:3, 6:2) | details | 20.06.2023 | ||
| 1/16-finals | Welte M. | Niedner N. | 2:1 (6:4, 66:7, 6:4) | details | 03.08.2022 | ||
| 1/16-finals | Chazal M. | Niedner N. | 2:1 (6:4, 5:7, 6:2) | details | 26.07.2022 | ||
| 1/16-finals | Niedner N. | Wehnelt K. | 0:2 (1:6, 0:6) | details | 13.07.2022 | ||
| 1/16-finals | Peliwo F. | Niedner N. | 2:0 (6:0, 6:2) | details | 05.07.2022 | ||
| 1/8-finals | Niedner N. | Cungu R. | 0:2 (2:6, 5:7) | details | 30.06.2022 | ||
| 1/16-finals | Andrejic M. | Niedner N. | 0:2 (67:7, 0:6) | details | 29.06.2022 | ||
| 1/16-finals | Niedner N. | Klok D. | 1:2 (7:5, 1:6, 2:6) | details | 07.06.2022 | ||
| 1/8-finals | Florig P. | Niedner N. | 2:0 (6:3, 7:5) | details | 19.05.2022 | ||
| 1/16-finals | Niedner N. | Zribi R. | 2:0 (6:0, 6:0) | details | 17.05.2022 | ||
| 1/16-finals | Niedner N. | Ho R. | 1:2 (5:7, 6:2, 0:6) | details | 11.05.2022 | ||
| 1/16-finals | Niedner N. | Beauge M. | 0:2 (1:6, 2:6) | details | 03.05.2022 | ||
| 1/16-finals | Bosio G. | Niedner N. | 2:0 (6:4, 6:1) | details | 05.04.2022 | ||
| 1/16-finals | Boehler D. | Niedner N. | 2:0 (6:1, 6:2) | details | 08.03.2022 | ||
| 1/16-finals | Niedner N. | Gill F. | 0:2 (1:6, 1:6) | details | 01.03.2022 | ||
| Semi-finals | Mensik J. | Niedner N. | 2:1 (6:1, 3:6, 10:5) | details | 03.09.2021 | ||
| 1/8-finals | Welte M. | Niedner N. | 2:0 (6:2, 6:1) | details | 08.07.2021 | ||
| 1/16-finals | Niedner N. | Simon T. | 0:0 RET. (2:1) | details | 07.07.2021 | ||
| Quarter-finals | Ruehl T./Wehnelt K. | Homberg M./Niedner N. | 2:0 (6:3, 6:1) | details | 15.08.2024 | ||
| 1/8-finals | Patzanovsky C./Schlossmann F. | Homberg M./Niedner N. | 0:2 (3:6, 3:6) | details | 13.08.2024 | ||
| 1/8-finals | Lipp M./Niedner N. | Al Azmeh T./Wehnelt K. | 0:2 (2:6, 64:7) | details | 03.07.2024 | ||
| 1/8-finals | Gadamauri B./Wassermann D. | Al Azmeh T./Niedner N. | 2:0 (6:0, 6:3) | details | 02.08.2022 | ||
| 1/8-finals | Lane L./Niedner N. | Hannestad B./Overbeck C. E. | 0:2 (0:6, 2:6) | details | 26.07.2022 | ||
| 1/8-finals | Luz O./Zormann Da Silva M. | Al Azmeh T./Niedner N. | 2:0 (6:3, 6:2) | details | 05.07.2022 | ||
| Quarter-finals | Florig P./Niedner N. | Court J./Crnokrak A. | 1:2 (5:7, 7:610, 13:15) | details | 12.05.2022 | ||
| 1/8-finals | Abderrahman W./Scaglia M. | Florig P./Niedner N. | 0:2 (3:6, 2:6) | details | 10.05.2022 | ||
| Quarter-finals | Mansouri S./Santillan A. | Florig P./Niedner N. | 2:0 (6:3, 7:66) | details | 05.05.2022 | ||
| 1/8-finals | Florig P./Niedner N. | Butulija B./Tsarapkin E. | 2:0 (7:5, 6:4) | details | 03.05.2022 | ||