21.10.19 | 1st round | Taylor Harry Fritz/Reilly Opelka | Wesley Koolhof/Stefanos Tsitsipas | 6-3, 6-4 |  | match details | Basel | I. hard |
08.10.19 | 1st round | Raven Klaasen/Michael Venus | Wesley Koolhof/Stefanos Tsitsipas | 6-4, 7-68 |  | match details | Shanghai | Hard |
30.09.19 | 1st round | Juan-Sebastian Cabal/Robert Farah | Wesley Koolhof/Stefanos Tsitsipas | 6-3, 0-6, 16-14 |  | match details | Beijing | Hard |
14.05.19 | 1st round | Denis Shapovalov/Fernando Verdasco | Wesley Koolhof/Stefanos Tsitsipas | 6-3, 6-2 |  | match details | Rome | Clay |
10.05.19 | 1/2 | Jean-Julien Rojer/Horia Tecau | Wesley Koolhof/Stefanos Tsitsipas | 6-4, 5-7, 10-5 |  | match details | Madrid | Clay |
09.05.19 | 1/4 | Wesley Koolhof/Stefanos Tsitsipas | Jamie Murray/Bruno Soares | 6-2, 7-64 |  | match details |
08.05.19 | 2nd round | Wesley Koolhof/Stefanos Tsitsipas | Nikola Mektic/Franko Skugor | 6-2, 6-4 |  | match details |
07.05.19 | 1st round | Wesley Koolhof/Stefanos Tsitsipas | Marco Cecchinato/Marton Fucsovics | 6-3, 6-3 |  | match details |
30.03.19 | fin | Bob Bryan/Mike Bryan | Wesley Koolhof/Stefanos Tsitsipas | 7-5, 7-68 |  | match details | Miami | Hard |
29.03.19 | 1/2 | Wesley Koolhof/Stefanos Tsitsipas | Ivan Dodig/Edouard Roger-Vasselin | 6-3, 6-72, 10-8 |  | match details |
27.03.19 | 1/4 | Wesley Koolhof/Stefanos Tsitsipas | John Isner/Sam Querrey | 6-4, 5-7, 10-8 |  | match details |
24.03.19 | 2nd round | Wesley Koolhof/Stefanos Tsitsipas | Jamie Murray/Bruno Soares | 6-3, 4-6, 10-7 |  | match details |
21.03.19 | 1st round | Wesley Koolhof/Stefanos Tsitsipas | Karen Khachanov/Daniil Medvedev | 6-1, 6-4 |  | match details |
08.03.19 | 1st round | Lukasz Kubot/Marcelo Melo | Wesley Koolhof/Stefanos Tsitsipas | 7-61, 6-71, 10-5 |  | match details | Indian Wells | Hard |