 Switzerland: Lugano - Doubles - Main |
|---|
| 1/8-finals | Lapko V./Sabalenka A. | Barthel M./Witthoeft C. | 2:0 (6:3, 6:2) | details | 12.04.2018 |
 Qatar: Doha - Doubles - Main |
|---|
| 1/16-finals | Barthel M./Witthoeft C. | Krejcikova B./Siniakova K. | 1:2 (6:2, 2:6, 2:10) | details | 13.02.2018 |
 Australia: Australian Open - Doubles - Main |
|---|
| 1/16-finals | Barthel M./Witthoeft C. | Aoyama S./Yang Z. | 0:2 (1:6, 5:7) | details | 20.01.2018 |
| 1/32-finals | Jiang X./Tang Q. | Barthel M./Witthoeft C. | 0:2 (65:7, 5:7) | details | 18.01.2018 |
 China: Wuhan - Doubles - Main |
|---|
| 1/8-finals | Barthel M./Witthoeft C. | Makarova E./Vesnina E. | 1:0 RET. (7:64, 1:3) | details | 27.09.2017 |
| 1/16-finals | Cirstea S./Ostapenko J. | Barthel M./Witthoeft C. | WO. | details | 26.09.2017 |
 USA: US Open - Doubles - Main |
|---|
| 1/16-finals | Barthel M./Witthoeft C. | Hradecka L./Siniakova K. | 0:2 (2:6, 4:6) | details | 01.09.2017 |
| 1/32-finals | Broady N./Jurak Schreiber D. | Barthel M./Witthoeft C. | 0:2 (65:7, 2:6) | details | 31.08.2017 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Barthel M./Witthoeft C. | Jurak Schreiber D./Rodionova An. | 1:2 (2:6, 6:2, 4:6) | details | 31.05.2017 |
| 1/32-finals | Barthel M./Witthoeft C. | Goerges J./Strycova B. | CAN. | details | 31.05.2017 |
