 Australia: Australian Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Krejcikova B./Mektic N. | Peschke K./Koolhof W. | 2:0 (7:5, 6:2) | dettagli | 26.01.2020 |
 USA: US Open - Mixed Doubles - Main |
|---|
| Quarter-finals | Chan H-C./Venus M. | Peschke K./Koolhof W. | 2:0 (6:3, 7:60) | dettagli | 03.09.2019 |
| 1/8-finals | Duan Y./Demoliner M. | Peschke K./Koolhof W. | 1:2 (5:7, 6:4, 7:10) | dettagli | 31.08.2019 |
| 1/16-finals | McHale C./Harrison R. | Peschke K./Koolhof W. | 1:2 (4:6, 6:3, 11:13) | dettagli | 30.08.2019 |
 United Kingdom: Wimbledon - Mixed Doubles - Main |
|---|
| Semi-finals | Koolhof W./Peschke K. | Dodig I./Chan L. | 0:2 (5:7, 4:6) | dettagli | 12.07.2019 |
| Quarter-finals | Koolhof W./Peschke K. | Sitak A./Siegemund L. | 2:0 (6:1, 6:2) | dettagli | 11.07.2019 |
| 1/8-finals | Koolhof W./Peschke K. | Qureshi A./Kichenok N. | 2:0 (7:65, 6:4) | dettagli | 10.07.2019 |
| 1/16-finals | Koolhof W./Peschke K. | Oswald P./Adamczak M. | 2:0 (6:1, 6:4) | dettagli | 06.07.2019 |
 France: French Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Olaru R./Skugor F. | Peschke K./Koolhof W. | 2:1 (6:3, 4:6, 10:7) | dettagli | 29.05.2019 |
| Australia: Australian Open - Mixed Doubles - Main |
|---|
| 1/16-finals | Stosur S./Paes L. | Peschke K./Koolhof W. | 2:0 (6:4, 7:5) | dettagli | 19.01.2019 |
