Select tournament type
| 1/16-finals | Sumizawa D. | Vithoontien L. | 0:2 (4:6, 4:6) | details | 31.03.2026 | ||
| Semi-finals | Watt J. | Sumizawa D. | 2:0 (6:3, 6:4) | details | 04.01.2026 | ||
| Semi-finals | Sumizawa D. | Yamanaka T. | 0:2 (3:6, 0:6) | details | 16.11.2025 | ||
| Semi-finals | Kumasaka T. | Sumizawa D. | 2:1 (6:4, 4:6, 6:1) | details | 09.11.2025 | ||
| Semi-finals | Yuzuki T. | Sumizawa D. | 2:0 (6:4, 6:3) | details | 02.11.2025 | ||
| Quarter-finals | Sim S./Sumizawa D. | Kawahashi Y./Yamasaki J. | 0:2 (3:6, 3:6) | details | 03.04.2026 | ||
| 1/8-finals | Sim S./Sumizawa D. | Krall L./Zamora N. | 2:0 (6:4, 6:2) | details | 02.04.2026 | ||
| 1/8-finals | Fukuda S./Vithoontien L. | Kawahashi Y./Sumizawa D. | 2:1 (1:6, 6:4, 10:5) | details | 24.03.2026 | ||
| Quarter-finals | Sinclair C./Sumizawa D. | Reynolds F./Watt J. | 1:2 (7:64, 3:6, 5:10) | details | 07.01.2026 | ||
| 1/8-finals | Brown P./Mehrotra A. | Sinclair C./Sumizawa D. | 0:2 (5:7, 4:6) | details | 06.01.2026 | ||