World: Finals - Turin - Doubles - Main |
| Group B | Koolhof W./Skupski N. | Bopanna R./Ebden M. | 0:2 (4:6, 65:7) | details | 17.11.2023 |
| Group B | Koolhof W./Skupski N. | Ram R./Salisbury J. | 1:2 (3:6, 6:3, 7:10) | details | 15.11.2023 |
| Group B | Koolhof W./Skupski N. | Hijikata R./Kubler J. | 2:0 (6:3, 6:4) | details | 13.11.2023 |
France: Paris - Doubles - Main |
| Quarter-finals | Gonzalez S./Roger-Vasselin E. | Koolhof W./Skupski N. | 2:0 (6:4, 6:4) | details | 03.11.2023 |
| 1/8-finals | Khachanov K./Rublev A. | Koolhof W./Skupski N. | 0:2 (4:6, 65:7) | details | 02.11.2023 |
Austria: Vienna - Doubles - Main |
| 1/8-finals | Koolhof W./Skupski N. | Doumbia S./Reboul F. | 1:2 (6:2, 65:7, 4:10) | details | 25.10.2023 |
China: Shanghai - Doubles - Main |
| Quarter-finals | Doumbia S./Reboul F. | Koolhof W./Skupski N. | 2:0 (7:65, 6:4) | details | 12.10.2023 |
| 1/8-finals | Escobar G./Nedovyesov A. | Koolhof W./Skupski N. | 0:2 (62:7, 4:6) | details | 09.10.2023 |
| 1/16-finals | McDonald M./Tiafoe F. | Koolhof W./Skupski N. | 1:2 (7:63, 1:6, 3:10) | details | 08.10.2023 |
China: Beijing - Doubles - Main |
| Final | Dodig I./Krajicek A. | Koolhof W./Skupski N. | 2:1 (612:7, 6:3, 10:5) | details | 04.10.2023 |
| Semi-finals | Khachanov K./Rublev A. | Koolhof W./Skupski N. | 0:2 (63:7, 2:6) | details | 03.10.2023 |
| Quarter-finals | Nys H./Zielinski J. | Koolhof W./Skupski N. | 0:2 (2:6, 3:6) | details | 02.10.2023 |
| 1/8-finals | Sun F./Zhou Y. | Koolhof W./Skupski N. | 0:2 (1:6, 4:6) | details | 29.09.2023 |
USA: US Open - Doubles - Main |
| 1/8-finals | Koolhof W./Skupski N. | Lammons N./Withrow J. | 0:2 (62:7, 3:6) | details | 04.09.2023 |
| 1/16-finals | Koolhof W./Skupski N. | Cabal J. S./Farah R. | 2:1 (7:62, 1:6, 6:3) | details | 01.09.2023 |
| 1/32-finals | Koolhof W./Skupski N. | Eubanks C./Shelton B. | 2:0 (7:5, 7:65) | details | 31.08.2023 |
USA: Cincinnati - Doubles - Main |
| 1/8-finals | Koolhof W./Skupski N. | Murray J./Venus M. | 1:2 (63:7, 7:63, 1:10) | details | 17.08.2023 |
Canada: Toronto - Doubles - Main |
| 1/8-finals | Koolhof W./Skupski N. | Hurkacz H./Pavic M. | 1:2 (7:62, 62:7, 5:10) | details | 09.08.2023 |
United Kingdom: Wimbledon - Doubles - Main |
| Final | Koolhof W./Skupski N. | Granollers M./Zeballos H. | 2:0 (6:4, 6:4) | details | 15.07.2023 |
| Semi-finals | Koolhof W./Skupski N. | Bopanna R./Ebden M. | 2:0 (7:5, 6:4) | details | 13.07.2023 |
| Quarter-finals | Koolhof W./Skupski N. | Behar A./Pavlasek A. | 2:1 (4:6, 6:2, 6:3) | details | 12.07.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Purcell M./Thompson J. | 2:0 (6:3, 7:63) | details | 11.07.2023 |
| 1/16-finals | Koolhof W./Skupski N. | Hijikata R./Kubler J. | 2:0 (7:63, 6:2) | details | 10.07.2023 |
United Kingdom: London - Doubles - Main |
| Semi-finals | Koolhof W./Skupski N. | Fritz T./Lehecka J. | 0:2 (3:6, 64:7) | details | 23.06.2023 |
| Quarter-finals | Koolhof W./Skupski N. | Bopanna R./Ebden M. | 2:0 (6:3, 7:65) | details | 22.06.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Mektic N./Pavic M. | 2:1 (63:7, 7:63, 10:7) | details | 21.06.2023 |
Netherlands: Hertogenbosch - Doubles - Main |
| Final | Koolhof W./Skupski N. | Escobar G./Nedovyesov A. | 2:0 (7:61, 6:2) | details | 17.06.2023 |
| Semi-finals | Koolhof W./Skupski N. | Cressy M./Martin F. | 2:0 (6:2, 6:2) | details | 16.06.2023 |
| Quarter-finals | Koolhof W./Skupski N. | Lammons N./Withrow J. | 2:1 (7:64, 65:7, 10:3) | details | 15.06.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Middelkoop M./Stevens B. | 2:1 (4:6, 7:64, 10:7) | details | 14.06.2023 |
France: French Open - Doubles - Main |
| Quarter-finals | Koolhof W./Skupski N. | Granollers M./Zeballos H. | 0:2 (3:6, 64:7) | details | 06.06.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Nedovyesov A./Reyes-Varela M. A. | 2:0 (7:5, 6:4) | details | 03.06.2023 |
| 1/16-finals | Koolhof W./Skupski N. | Cachin P./Wu Y. | 2:0 (6:4, 6:2) | details | 02.06.2023 |
| 1/32-finals | Koolhof W./Skupski N. | Escobar G./Golubev A. | 2:0 (6:3, 7:65) | details | 30.05.2023 |
Italy: Rome - Doubles - Main |
| Semi-finals | Koolhof W./Skupski N. | Haase R./Van De Zandschulp B. | 0:2 (62:7, 4:6) | details | 19.05.2023 |
| Quarter-finals | Koolhof W./Skupski N. | De Minaur A./Kubler J. | 2:0 (6:4, 6:4) | details | 17.05.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Bolelli S./Fognini F. | 2:0 (6:4, 7:65) | details | 16.05.2023 |
| 1/16-finals | Koolhof W./Skupski N. | Middelkoop M./Mies A. | 2:1 (63:7, 6:3, 10:4) | details | 14.05.2023 |
Spain: Madrid - Doubles - Main |
| Quarter-finals | Koolhof W./Skupski N. | Bopanna R./Ebden M. | 0:2 (3:6, 2:6) | details | 03.05.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Carballes Baena R./Landaluce M. | 2:1 (4:6, 6:4, 10:5) | details | 01.05.2023 |
| 1/16-finals | Koolhof W./Skupski N. | Krawietz K./Puetz T. | 2:0 (6:2, 7:67) | details | 29.04.2023 |
Spain: Barcelona - Doubles - Main |
| Final | Koolhof W./Skupski N. | Gonzalez M./Molteni A. | 1:2 (3:6, 7:68, 4:10) | details | 23.04.2023 |
| Semi-finals | Koolhof W./Skupski N. | Bopanna R./Ebden M. | 2:0 (6:4, 7:5) | details | 22.04.2023 |
| Quarter-finals | Koolhof W./Skupski N. | Mahut N./Tsitsipas S. | 2:1 (6:4, 3:6, 10:7) | details | 21.04.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Bolelli S./Granollers M. | 2:0 (7:63, 6:2) | details | 19.04.2023 |
Monaco: Monte Carlo - Doubles - Main |
| Quarter-finals | Koolhof W./Skupski N. | Martin F./Mies A. | 1:2 (7:5, 3:6, 7:10) | details | 14.04.2023 |
| 1/8-finals | Koolhof W./Skupski N. | Khachanov K./Rublev A. | 2:1 (65:7, 6:3, 14:12) | details | 12.04.2023 |
USA: Miami - Doubles - Main |
| Quarter-finals | Koolhof W./Skupski N. | Gonzalez S./Roger-Vasselin E. | 1:2 (6:4, 65:7, 5:10) | details | 29.03.2023 |
| 1/8-finals | Koolhof W./Skupski N. | McDonald M./Van De Zandschulp B. | 2:0 (6:4, 7:65) | details | 27.03.2023 |