United Kingdom: London - Doubles - Main |
| Semi-finals | Fernandez L./Siegemund L. | Jovic I./Kessler M. | WO. | details | 13.06.2026 |
| Quarter-finals | Fernandez L./Siegemund L. | Mboko V./Williams S. | WO. | details | 11.06.2026 |
| 1/8-finals | Fernandez L./Siegemund L. | Panova A./Schuurs D. | 2:1 (6:2, 2:6, 11:9) | details | 09.06.2026 |
France: French Open - Mixed Doubles - Main |
| Semi-finals | Errani S./Vavassori A. | Siegemund L./Roger-Vasselin E. | 2:0 (6:1, 6:4) | details | 03.06.2026 |
| Quarter-finals | Krawczyk D./Skupski N. | Siegemund L./Roger-Vasselin E. | 0:2 (65:7, 5:7) | details | 02.06.2026 |
France: French Open - Doubles - Main |
| Quarter-finals | Dabrowski G./Stefani L. | Siegemund L./Zvonareva V. | 2:0 (6:4, 7:5) | details | 02.06.2026 |
France: French Open - Mixed Doubles - Main |
| 1/8-finals | Mladenovic K./Guinard M. | Siegemund L./Roger-Vasselin E. | 0:2 (2:6, 4:6) | details | 31.05.2026 |
France: French Open - Doubles - Main |
| 1/8-finals | Siegemund L./Zvonareva V. | Bucsa C./Melichar-Martinez N. | WO. | details | 31.05.2026 |
| 1/16-finals | Siegemund L./Zvonareva V. | Ferro F./Parry D. | WO. | details | 30.05.2026 |
France: French Open - Mixed Doubles - Main |
| 1/16-finals | Siegemund L./Roger-Vasselin E. | Schuurs D./Cash J. | 2:0 (6:2, 6:3) | details | 28.05.2026 |
France: French Open - Doubles - Main |
| 1/32-finals | Siegemund L./Zvonareva V. | Li A./Tauson C. | 2:1 (6:3, 65:7, 6:3) | details | 27.05.2026 |
Italy: Rome - Doubles - Main |
| 1/8-finals | Siegemund L./Zvonareva V. | Hunter S./Pegula J. | 0:2 (5:7, 4:6) | details | 12.05.2026 |
| 1/16-finals | Kato M./Klepac A. | Siegemund L./Zvonareva V. | 0:2 (5:7, 64:7) | details | 11.05.2026 |
Spain: Madrid - Doubles - Main |
| Semi-finals | Siegemund L./Zvonareva V. | Andreeva M./Shnaider D. | 0:2 (3:6, 2:6) | details | 01.05.2026 |
| Quarter-finals | Siegemund L./Zvonareva V. | Sutjiadi A./Tjen J. | 2:1 (5:7, 7:5, 10:8) | details | 28.04.2026 |
| 1/8-finals | Errani S./Paolini J. | Siegemund L./Zvonareva V. | 1:2 (6:4, 4:6, 6:10) | details | 26.04.2026 |
| 1/16-finals | Siegemund L./Zvonareva V. | Jovic I./Mboko V. | 2:0 (6:2, 6:4) | details | 25.04.2026 |
Germany: Stuttgart - Doubles - Main |
| Quarter-finals | Ostapenko J./Zhang S. | Siegemund L./Zvonareva V. | 2:0 (6:4, 6:3) | details | 16.04.2026 |
| 1/8-finals | Siegemund L./Zvonareva V. | Bolsova Zadoinov A./Cavalle-Reimers Y. | 2:0 (6:3, 6:1) | details | 14.04.2026 |
USA: Miami - Doubles - Main |
| 1/16-finals | Siegemund L./Zvonareva V. | Kato M./Yang Z. | 1:2 (1:6, 6:1, 7:10) | details | 21.03.2026 |
USA: Indian Wells - Doubles - Main |
| 1/8-finals | Guo H./Mladenovic K. | Panova A./Siegemund L. | 2:0 (6:4, 6:3) | details | 08.03.2026 |
| 1/16-finals | Panova A./Siegemund L. | Muhammad A./Routliffe E. | 2:0 (6:2, 6:3) | details | 07.03.2026 |
United Arab Emirates: Dubai - Doubles - Main |
| Final | Siegemund L./Zvonareva V. | Dabrowski G./Stefani L. | 0:2 (1:6, 3:6) | details | 21.02.2026 |
| Semi-finals | Siegemund L./Zvonareva V. | Cristian J./Ruse G. | 2:0 (6:3, 7:66) | details | 20.02.2026 |
| Quarter-finals | Siegemund L./Zvonareva V. | Hunter S./Siniakova K. | 2:0 (7:64, 6:4) | details | 19.02.2026 |
| 1/8-finals | Errani S./Paolini J. | Siegemund L./Zvonareva V. | 0:2 (4:6, 1:6) | details | 18.02.2026 |
| 1/16-finals | Siegemund L./Zvonareva V. | Marcinko P./Ruzic A. | 2:0 (6:3, 6:1) | details | 17.02.2026 |
| 1/16-finals | Siegemund L./Zvonareva V. | Cocciaretto E./Fernandez L. | CAN. | details | 17.02.2026 |
Qatar: Doha - Doubles - Main |
| 1/8-finals | Siegemund L./Zvonareva V. | Bucsa C./Melichar-Martinez N. | 0:2 (2:6, 4:6) | details | 11.02.2026 |
| 1/16-finals | Siegemund L./Zvonareva V. | Kichenok L./Kichenok N. | 2:0 (6:2, 6:3) | details | 09.02.2026 |
Australia: Australian Open - Doubles - Main |
| 1/8-finals | Hsieh S-W./Ostapenko J. | Kenin S./Siegemund L. | 2:0 (6:3, 6:2) | details | 26.01.2026 |
Australia: Australian Open - Mixed Doubles - Main |
| 1/8-finals | Siegemund L./Roger-Vasselin E. | Gadecki O./Peers J. | 1:2 (3:6, 6:3, 5:10) | details | 25.01.2026 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Bouzkova M./Klepac A. | Kenin S./Siegemund L. | 0:2 (4:6, 4:6) | details | 24.01.2026 |