Switzerland: Basel - Doubles - Main |
| 1/8-finals | Koolhof W./Tsitsipas S. | Fritz T./Opelka R. | 0:2 (3:6, 4:6) | details | 21.10.2019 |
China: Shanghai - Doubles - Main |
| 1/16-finals | Klaasen R./Venus M. | Koolhof W./Tsitsipas S. | 2:0 (6:4, 7:68) | details | 08.10.2019 |
China: Beijing - Doubles - Main |
| 1/8-finals | Cabal J. S./Farah R. | Koolhof W./Tsitsipas S. | 2:1 (6:3, 0:6, 16:14) | details | 30.09.2019 |
Italy: Rome - Doubles - Main |
| 1/16-finals | Koolhof W./Tsitsipas S. | Shapovalov D./Verdasco F. | 0:2 (3:6, 2:6) | details | 14.05.2019 |
Spain: Madrid - Doubles - Main |
| Semi-finals | Rojer J./Tecau H. | Koolhof W./Tsitsipas S. | 2:1 (6:4, 5:7, 10:5) | details | 10.05.2019 |
| Quarter-finals | Murray J./Soares B. | Koolhof W./Tsitsipas S. | 0:2 (2:6, 64:7) | details | 09.05.2019 |
| 1/8-finals | Koolhof W./Tsitsipas S. | Mektic N./Skugor F. | 2:0 (6:2, 6:4) | details | 08.05.2019 |
| 1/16-finals | Koolhof W./Tsitsipas S. | Cecchinato M./Fucsovics M. | 2:0 (6:3, 6:3) | details | 07.05.2019 |
USA: Miami - Doubles - Main |
| Final | Bryan B./Bryan M. | Koolhof W./Tsitsipas S. | 2:0 (7:5, 7:68) | details | 30.03.2019 |
| Semi-finals | Dodig I./Roger-Vasselin E. | Koolhof W./Tsitsipas S. | 1:2 (3:6, 7:62, 8:10) | details | 29.03.2019 |
| Quarter-finals | Isner J./Querrey S. | Koolhof W./Tsitsipas S. | 1:2 (4:6, 7:5, 8:10) | details | 28.03.2019 |
| 1/8-finals | Koolhof W./Tsitsipas S. | Murray J./Soares B. | 2:1 (6:3, 4:6, 10:7) | details | 24.03.2019 |
| 1/16-finals | Khachanov K./Medvedev D. | Koolhof W./Tsitsipas S. | 0:2 (1:6, 4:6) | details | 21.03.2019 |
USA: Indian Wells - Doubles - Main |
| 1/16-finals | Kubot L./Melo M. | Koolhof W./Tsitsipas S. | 2:1 (7:61, 61:7, 10:5) | details | 08.03.2019 |