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| 1/8-finals | Klaassen S. | Vanshelboim E. | 1:2 (3:6, 6:4, 1:6) | detalhes | 10.07.2025 | ||
| 1/16-finals | Raynel A. | Klaassen S. | 0:2 (64:7, 0:6) | detalhes | 09.07.2025 | ||
| Final | Svajda T. | Klaassen S. | 2:0 (6:2, 6:3) | detalhes | 15.06.2025 | ||
| Semi-finals | Danilov S. | Klaassen S. | 1:2 (5:7, 6:4, 5:7) | detalhes | 14.06.2025 | ||
| Quarter-finals | Vandecasteele Q. | Klaassen S. | 1:2 (6:2, 68:7, 3:6) | detalhes | 13.06.2025 | ||
| 1/8-finals | Rivera H. | Klaassen S. | 0:2 (63:7, 4:6) | detalhes | 12.06.2025 | ||
| 1/16-finals | Klaassen S. | Papa C. | 2:0 (6:4, 6:4) | detalhes | 12.06.2025 | ||
| 1/16-finals | Klaassen S. | Smith K. | CAN. | detalhes | 12.06.2025 | ||
| 1/8-finals | Klaassen S. | Fenty A. | 0:2 (66:7, 65:7) | detalhes | 05.06.2025 | ||
| 1/16-finals | Klaassen S. | Kleege W. | 2:0 (6:0, 6:1) | detalhes | 04.06.2025 | ||
| 1/8-finals | Bailly G. A. | Klaassen S. | 2:0 (6:3, 6:1) | detalhes | 15.08.2024 | ||
| 1/16-finals | Beaupain S. | Klaassen S. | 0:1 RET. (3:6, 1:2) | detalhes | 13.08.2024 | ||
| 1/16-finals | Klaassen S. | Visker N. | 0:2 (2:6, 3:6) | detalhes | 26.06.2024 | ||
| 1/8-finals | Maloney P. | Klaassen S. | 2:1 (6:2, 5:7, 6:0) | detalhes | 13.06.2024 | ||
| 1/16-finals | Klaassen S. | Tracy J. | 2:1 (6:2, 1:6, 6:4) | detalhes | 12.06.2024 | ||
| 1/8-finals | Moller E. | Klaassen S. | 2:0 (6:0, 6:2) | detalhes | 02.08.2023 | ||
| 1/16-finals | Klaassen S. | Van Sambeek F. | 2:0 (7:64, 6:3) | detalhes | 01.08.2023 | ||
| 1/16-finals | Klaassen S. | Boogaard T. | 1:2 (2:6, 6:4, 2:6) | detalhes | 27.06.2023 | ||
| 1/8-finals | Klaassen S./Van Sambeek F. | Grevelius E./Latinovic S. | 0:2 (3:6, 4:6) | detalhes | 30.07.2025 | ||
| 1/8-finals | Donders D./Klaassen S. | Kielan S./Pieczonka F. | 1:2 (4:6, 6:3, 5:10) | detalhes | 17.07.2025 | ||
| Final | Jans J./Visker N. | Klaassen S./Paardekooper S. | 2:1 (4:6, 7:61, 10:7) | detalhes | 12.07.2025 | ||
| Semi-finals | Klaassen S./Paardekooper S. | Lootsma N./Orlov V. | 2:0 (7:63, 7:62) | detalhes | 11.07.2025 | ||
| Quarter-finals | Bult J./Vanshelboim E. | Klaassen S./Paardekooper S. | 1:2 (2:6, 6:4, 5:10) | detalhes | 10.07.2025 | ||
| 1/8-finals | Bredschneijder M./van Assendelft J. | Klaassen S./Paardekooper S. | 1:2 (5:7, 6:3, 5:10) | detalhes | 08.07.2025 | ||
| 1/8-finals | Bozemoj B./Pel S. | Klaassen S./Paardekooper S. | 2:1 (3:6, 6:3, 10:5) | detalhes | 01.07.2025 | ||
| Quarter-finals | Klaassen S./Overbeck C. E. | Khoeblal E./Lootsma N. | 1:2 (6:2, 4:6, 8:10) | detalhes | 26.06.2025 | ||
| 1/8-finals | Klaassen S./Overbeck C. E. | Bult J./Paardekooper S. | 2:1 (67:7, 7:65, 10:5) | detalhes | 24.06.2025 | ||
| Final | Danilov S./Klaassen S. | Chopra K./Jordan P. | 2:1 (6:4, 67:7, 15:13) | detalhes | 15.06.2025 | ||
| Semi-finals | Danilov S./Klaassen S. | Anthrop J./Brumm J. | 2:0 (6:2, 6:4) | detalhes | 14.06.2025 | ||
| Quarter-finals | Arora Kr./Landau S. | Danilov S./Klaassen S. | 0:2 (62:7, 4:6) | detalhes | 12.06.2025 | ||
| 1/8-finals | Danilov S./Klaassen S. | Abarca A. J./Dayal N. | 2:0 (6:3, 6:3) | detalhes | 11.06.2025 | ||
| Semi-finals | Danilov S./Klaassen S. | Chopra K./Jordan P. | 0:2 (2:6, 5:7) | detalhes | 07.06.2025 | ||
| Quarter-finals | Danilov S./Klaassen S. | Bianchi J. J./Zamora N. | 0:0 RET. (4:1) | detalhes | 06.06.2025 | ||
| 1/8-finals | Danilov S./Klaassen S. | Kleege W./Rolland D. | 2:1 (5:7, 6:2, 10:8) | detalhes | 04.06.2025 | ||
| 1/8-finals | Clavel T./Klaassen S. | George B. T./Nortey I. | 0:2 (2:6, 3:6) | detalhes | 20.08.2024 | ||
| 1/8-finals | Clavel T./Klaassen S. | Basile A./Merre N. | 1:2 (1:6, 6:3, 8:10) | detalhes | 12.08.2024 | ||
| Final | Klaassen S./Van Donselaar F. | Bozemoj B./Paardekooper S. | 0:2 (1:6, 3:6) | detalhes | 06.07.2024 | ||
| Semi-finals | Klaassen S./Van Donselaar F. | Demanet E./Loge J. | 2:0 (6:2, 6:3) | detalhes | 05.07.2024 | ||
| Quarter-finals | Muller R./Weststrate L. | Klaassen S./Van Donselaar F. | 1:2 (64:7, 6:3, 9:11) | detalhes | 04.07.2024 | ||
| 1/8-finals | Jaisinghani R./Ratti L. | Klaassen S./Van Donselaar F. | 1:2 (2:6, 6:2, 5:10) | detalhes | 02.07.2024 | ||
| Final | Lootsma N./Visker N. | Klaassen S./Van Sambeek F. | 2:1 (4:6, 7:65, 10:2) | detalhes | 29.06.2024 | ||
| Semi-finals | Klaassen S./Van Sambeek F. | Muller R./Weststrate L. | 2:0 (6:3, 6:3) | detalhes | 28.06.2024 | ||
| Quarter-finals | De Jonge D./Simkiss L. | Klaassen S./Van Sambeek F. | 0:2 (4:6, 5:7) | detalhes | 27.06.2024 | ||
| 1/8-finals | Klaassen S./Van Sambeek F. | Wassermann D./Wassermann M. | 2:0 (7:65, 6:1) | detalhes | 25.06.2024 | ||
| Quarter-finals | Klaassen S./Tarvet O. | Jones A./Summers M. | 0:2 (64:7, 2:6) | detalhes | 14.06.2024 | ||
| 1/8-finals | Klaassen S./Tarvet O. | Kasday B./Kleege W. | 2:0 (6:2, 6:1) | detalhes | 12.06.2024 | ||