United Kingdom: Wimbledon - Doubles - Main |
| Quarter-finals | Daniell M./Koolhof W. | Dodig I./Polasek F. | 0:3 (2:6, 61:7, 3:6) | details | 09.07.2019 |
| 1/8-finals | Gonzalez S./Qureshi A. | Daniell M./Koolhof W. | 1:3 (5:7, 7:66, 4:6, 4:6) | details | 08.07.2019 |
| 1/16-finals | Daniell M./Koolhof W. | Munar J./Norrie C. | 3:2 (1:6, 4:6, 7:62, 6:2, 6:2) | details | 06.07.2019 |
| 1/32-finals | Daniell M./Koolhof W. | Bopanna R./Cuevas P. | 3:1 (6:4, 6:4, 4:6, 7:67) | details | 04.07.2019 |
United Kingdom: Eastbourne - Doubles - Main |
| Quarter-finals | Inglot D./Krajicek A. | Daniell M./Koolhof W. | 2:1 (3:6, 6:4, 10:7) | details | 26.06.2019 |
| 1/8-finals | Skupski K./Skupski N. | Daniell M./Koolhof W. | 0:2 (5:7, 610:7) | details | 25.06.2019 |
Netherlands: Hertogenbosch - Doubles - Main |
| Final | Inglot D./Krajicek A. | Daniell M./Koolhof W. | 2:1 (6:4, 4:6, 10:4) | details | 15.06.2019 |
| Semi-finals | Haase R./Rojer J. | Daniell M./Koolhof W. | 1:2 (3:6, 6:4, 5:10) | details | 14.06.2019 |
| Quarter-finals | Daniell M./Koolhof W. | Klaasen R./Venus M. | 2:0 (6:4, 7:63) | details | 13.06.2019 |
| 1/8-finals | Daniell M./Koolhof W. | Seppi A./Sousa J. | 2:0 (6:1, 6:4) | details | 11.06.2019 |
| 1/8-finals | Daniell M./Koolhof W. | Chardy J./Martin F. | CAN. | details | 11.06.2019 |
France: French Open - Doubles - Main |
| 1/16-finals | Kubot L./Melo M. | Daniell M./Koolhof W. | 2:1 (4:6, 6:2, 6:4) | details | 30.05.2019 |
| 1/32-finals | Bedene A./Hurkacz H. | Daniell M./Koolhof W. | 0:2 (3:6, 2:6) | details | 28.05.2019 |
Portugal: Estoril - Doubles - Main |
| Semi-finals | Chardy J./Martin F. | Daniell M./Koolhof W. | 2:1 (3:6, 7:65, 10:8) | details | 04.05.2019 |
| Quarter-finals | Daniell M./Koolhof W. | Cuevas P./Rojer J. | 2:1 (7:68, 4:6, 10:7) | details | 02.05.2019 |
| 1/8-finals | Daniell M./Koolhof W. | Cacao T./Gil F. | 2:1 (6:3, 3:6, 10:4) | details | 01.05.2019 |
| 1/8-finals | Daniell M./Koolhof W. | Millman J./Nishioka Y. | CAN. | details | 01.05.2019 |
Hungary: Budapest - Doubles - Main |
| Final | Skupski K./Skupski N. | Daniell M./Koolhof W. | 2:0 (6:3, 6:4) | details | 28.04.2019 |
| Semi-finals | Daniell M./Koolhof W. | Krawietz K./Mies A. | 2:1 (3:6, 6:2, 10:8) | details | 27.04.2019 |
| Quarter-finals | Daniell M./Koolhof W. | Haase R./Nielsen F. | 2:0 (6:4, 7:65) | details | 25.04.2019 |
| 1/8-finals | Daniell M./Koolhof W. | Hurkacz H./Martin F. | 2:0 (6:2, 6:3) | details | 24.04.2019 |
USA: Phoenix - Doubles - Main |
| Quarter-finals | Murray J./Skupski N. | Daniell M./Koolhof W. | 2:1 (68:7, 6:4, 12:10) | details | 15.03.2019 |
| 1/8-finals | Daniell M./Koolhof W. | Gonzalez S./Qureshi A. | 2:0 (6:4, 6:2) | details | 14.03.2019 |
Mexico: Acapulco - Doubles - Main |
| 1/8-finals | Lopez F./Lopez M. | Daniell M./Koolhof W. | 2:0 (6:4, 6:4) | details | 26.02.2019 |
Australia: Australian Open - Doubles - Main |
| 1/16-finals | Daniell M./Koolhof W. | Klaasen R./Venus M. | 0:2 (64:7, 3:6) | details | 19.01.2019 |
| 1/32-finals | Hewitt L./Smith J. P. | Daniell M./Koolhof W. | 1:2 (6:3, 1:6, 4:6) | details | 17.01.2019 |
New Zealand: Auckland - Doubles - Main |
| Quarter-finals | McLachlan B./Struff J-L. | Daniell M./Koolhof W. | 2:0 (7:64, 7:65) | details | 10.01.2019 |
| 1/8-finals | Cuevas P./Mayer L. | Daniell M./Koolhof W. | CAN. | details | 09.01.2019 |
| 1/8-finals | Oswald P./Puetz T. | Daniell M./Koolhof W. | 0:2 (4:6, 61:7) | details | 09.01.2019 |
Australia: Brisbane - Doubles - Main |
| Final | Ram R./Salisbury J. | Daniell M./Koolhof W. | 0:2 (4:6, 66:7) | details | 06.01.2019 |
| Semi-finals | Daniell M./Koolhof W. | Millman J./Smith J. P. | 2:1 (64:7, 7:62, 10:8) | details | 04.01.2019 |
| Quarter-finals | Daniell M./Koolhof W. | Edmund K./Skupski N. | 2:0 (6:1, 7:65) | details | 02.01.2019 |
| 1/8-finals | Daniell M./Koolhof W. | Jebavy R./Molteni A. | 2:1 (6:3, 5:7, 10:6) | details | 31.12.2018 |
Austria: Vienna - Doubles - Main |
| 1/8-finals | Daniell M./Koolhof W. | Salisbury J./Skupski N. | 1:2 (6:3, 63:7, 4:10) | details | 24.10.2018 |
Sweden: Stockholm - Doubles - Main |
| Final | Bambridge L./O'Mara J. | Daniell M./Koolhof W. | 2:0 (7:5, 7:68) | details | 21.10.2018 |
| Semi-finals | Daniell M./Koolhof W. | Benneteau J./Pouille L. | 2:0 (7:65, 7:67) | details | 20.10.2018 |
| Quarter-finals | Ebden M./Lindstedt R. | Daniell M./Koolhof W. | 1:2 (7:63, 2:6, 9:11) | details | 19.10.2018 |
| 1/8-finals | Ymer E./Ymer M. | Daniell M./Koolhof W. | 1:2 (4:6, 6:4, 4:10) | details | 18.10.2018 |
China: Beijing - Doubles - Main |
| Quarter-finals | Marach O./Pavic M. | Daniell M./Koolhof W. | 2:1 (5:7, 7:64, 14:12) | details | 05.10.2018 |
| 1/8-finals | Daniell M./Koolhof W. | Lopez F./Lopez M. | 2:1 (6:4, 1:6, 10:8) | details | 02.10.2018 |
China: Shenzhen - Doubles - Main |
| Quarter-finals | Mirnyi M./Oswald P. | Daniell M./Koolhof W. | 2:0 (6:4, 6:2) | details | 27.09.2018 |
| 1/8-finals | Hsieh C./Ratiwatana So. | Daniell M./Koolhof W. | 0:2 (65:7, 5:7) | details | 26.09.2018 |
USA: US Open - Doubles - Main |
| 1/16-finals | Murray J./Soares B. | Daniell M./Koolhof W. | 2:0 (6:3, 6:4) | details | 01.09.2018 |
| 1/32-finals | Daniell M./Koolhof W. | Mirnyi M./Oswald P. | 2:0 (6:3, 7:68) | details | 29.08.2018 |
USA: Winston-Salem - Doubles - Main |
| Quarter-finals | Daniell M./Koolhof W. | Rojer J./Tecau H. | 0:2 (4:6, 3:6) | details | 23.08.2018 |
| 1/8-finals | Daniell M./Koolhof W. | Monroe N./Reyes-Varela M. A. | 2:1 (3:6, 7:63, 12:10) | details | 21.08.2018 |
Austria: Kitzbuhel - Doubles - Main |
| 1/8-finals | Melzer J./Petzschner P. | Daniell M./Koolhof W. | 2:0 (7:64, 6:4) | details | 31.07.2018 |
Germany: Hamburg - Doubles - Main |
| Semi-finals | Marach O./Pavic M. | Daniell M./Koolhof W. | 2:1 (2:6, 6:4, 10:7) | details | 27.07.2018 |
| Quarter-finals | Marrero D./Qureshi A. | Daniell M./Koolhof W. | 0:2 (1:6, 2:6) | details | 26.07.2018 |
| 1/8-finals | Mirnyi M./Oswald P. | Daniell M./Koolhof W. | 1:2 (7:64, 4:6, 5:10) | details | 24.07.2018 |