Select tournament type
| 1/8-finals | Ibrahim K. | Heisnam S. | 2:0 (7:66, 6:4) | details | 21.05.2026 | ||
| 1/16-finals | Heisnam S. | Bajurko A. | 2:0 (6:4, 7:65) | details | 20.05.2026 | ||
| 1/16-finals | Gretskiy I. | Heisnam S. | 2:1 (6:3, 3:6, 6:3) | details | 06.05.2026 | ||
| 1/8-finals | Singh D. | Heisnam S. | 2:0 (6:3, 6:2) | details | 26.03.2026 | ||
| 1/16-finals | Warik C. | Heisnam S. | 1:2 (2:6, 6:2, 65:7) | details | 25.03.2026 | ||
| 1/8-finals | Castelnuovo L. | Heisnam S. | 2:0 (7:5, 6:2) | details | 12.03.2026 | ||
| 1/16-finals | Pel S. | Heisnam S. | 0:2 (64:7, 2:6) | details | 11.03.2026 | ||
| 1/16-finals | Heisnam S. | Sinha N. K. | 0:2 (3:6, 3:6) | details | 03.12.2025 | ||
| 1/16-finals | Heisnam S. | Singh D. | 0:2 (1:6, 5:7) | details | 19.11.2025 | ||
| 1/16-finals | Heisnam S. | Martinez Gomez P. | 0:2 (0:6, 3:6) | details | 25.06.2025 | ||
| 1/16-finals | Heisnam S. | Chauhan H. | 1:2 (2:6, 6:3, 5:7) | details | 20.03.2024 | ||
| 1/8-finals | Smiej Y./Wageh Y. A. | Chaurasia Y./Heisnam S. | 2:1 (5:7, 6:4, 10:6) | details | 19.05.2026 | ||
| 1/8-finals | Heisnam S./Rathi A. | Campese C./Eichenseher D. | 0:2 (65:7, 4:6) | details | 12.05.2026 | ||
| 1/8-finals | Heisnam S./Rathi A. | Frydrych V./Habib A. | 0:2 (2:6, 4:6) | details | 05.05.2026 | ||
| Quarter-finals | Heisnam S./Rathi A. | Bocchi L./Mashtakov N. | 0:2 (5:7, 3:6) | details | 30.04.2026 | ||
| 1/8-finals | Bodnarchuk P./Sotikovs A. | Heisnam S./Rathi A. | 1:2 (6:3, 2:6, 4:10) | details | 28.04.2026 | ||
| 1/8-finals | Heisnam S./Warik C. | Jaisinghani R./Krivoshchekov M. | 0:2 (3:6, 3:6) | details | 03.12.2025 | ||
| 1/8-finals | Shanmugam A./Sureshkumar M. | Heisnam S./Sahoo D. | 2:0 (6:3, 7:5) | details | 18.11.2025 | ||
| Quarter-finals | Heisnam S./Singh D. | Graca J./Morais D. | 0:2 (65:7, 4:6) | details | 12.09.2025 | ||
| 1/8-finals | Heisnam S./Singh D. | Berger A./Storch S. | 2:1 (3:6, 6:1, 10:5) | details | 11.09.2025 | ||
| Quarter-finals | Castelnuovo L./Uchida K. | Heisnam S./Malik A. | 2:0 (6:2, 6:1) | details | 14.08.2025 | ||
| 1/8-finals | Joubert R./Terblanche E. | Heisnam S./Malik A. | 0:2 (2:6, 1:6) | details | 13.08.2025 | ||
| 1/8-finals | Alvarado P./Liu L. | Heisnam S./Malik A. | CAN. | details | 13.08.2025 | ||
| 1/8-finals | Heisnam S./Jayaprakash O. | Hans K./Sharma A. | 0:2 (62:7, 2:6) | details | 11.03.2025 | ||
| 1/8-finals | Jang Y./Shin W. | Heisnam S./Kundu A. | 2:0 (6:1, 6:1) | details | 20.03.2024 | ||