| United Cup XD | 01/07 11:55 | 29 | Swiatek/Hurkacz v Siegemund/Marterer | Cancelled | |
| United Cup XD | 01/06 12:25 | 28 | Hunter/Ebden v Siegemund/Marterer | Cancelled | |
| United Cup XD | 01/05 10:30 | 27 | Sakkari/Tsitsipas v Siegemund/Marterer | Cancelled | |
| United Cup XD | 01/01 11:15 | - | Garcia/Roger-Vasselin v Siegemund/Marterer | Cancelled | |
| United Cup XD | 12/30 11:50 | - | Moratelli/Cobolli v Siegemund/Marterer | Cancelled |