 United Kingdom: Wimbledon - Doubles - Main |
|---|
| 1/32-finals | Atawo R./Groenefeld A. | Knoll X./Smith A. | 2:1 (4:6, 6:3, 6:3) | details | 05.07.2018 |
 Spain: Mallorca - Doubles - Main |
|---|
| Semi-finals | Klepac A./Martinez Sanchez M. J. | Knoll X./Smith A. | 2:0 (6:4, 6:4) | details | 22.06.2018 |
| Quarter-finals | Knoll X./Smith A. | Cirstea S./Petkovic A. | 2:0 (6:4, 6:4) | details | 20.06.2018 |
| 1/8-finals | Kalashnikova O./Ninomiya M. | Knoll X./Smith A. | 0:2 (4:6, 2:6) | details | 18.06.2018 |
 Netherlands: Hertogenbosch - Doubles - Main |
|---|
| Semi-finals | Knoll X./Smith A. | Bertens K./Flipkens K. | 0:2 (3:6, 3:6) | details | 15.06.2018 |
| Quarter-finals | Moore J./Perez E. | Knoll X./Smith A. | 1:2 (6:4, 2:6, 8:10) | details | 14.06.2018 |
| 1/8-finals | Blinkova A./Geuer N. | Knoll X./Smith A. | 0:2 (66:7, 3:6) | details | 13.06.2018 |
 France: French Open - Doubles - Main |
|---|
| 1/32-finals | Bara I./Buzarnescu M. | Knoll X./Smith A. | 2:1 (63:7, 6:3, 6:4) | details | 31.05.2018 |
| France: Strasbourg - Doubles - Main |
|---|
| Semi-finals | Buzarnescu M./Olaru R. | Knoll X./Smith A. | 2:0 (7:5, 6:2) | details | 25.05.2018 |
| Quarter-finals | Knoll X./Smith A. | Wang Q./Wang Y. | 2:1 (6:3, 3:6, 10:5) | details | 23.05.2018 |
| 1/8-finals | Kalashnikova O./Kudryavtseva A. | Knoll X./Smith A. | 1:2 (6:2, 62:7, 5:10) | details | 22.05.2018 |
 Turkey: Istanbul - Doubles - Main |
|---|
| Final | Knoll X./Smith A. | Liang C./Zhang S. | 0:2 (4:6, 4:6) | details | 29.04.2018 |
| Semi-finals | Irigoyen M./Perez E. | Knoll X./Smith A. | 0:2 (5:7, 3:6) | details | 28.04.2018 |
| Quarter-finals | Knoll X./Smith A. | Geuer N./Hon P. | 2:0 (6:2, 6:2) | details | 27.04.2018 |
| 1/8-finals | Knoll X./Smith A. | Olaru R./Sizikova Y. | 2:1 (6:2, 4:6, 10:7) | details | 26.04.2018 |
