Stadium: Estadio 3 Round: 25 Ground: Clay
| ATP Estoril - Herrdubbel | 2018/05/01 11:00 | De Minaur/Hewitt v Klaasen/Venus | 6-4,6-4 |
| ATP Monte Carlo - Herrdubbel | 2018/04/20 09:00 | Bolelli/Fognini v Klaasen/Venus | 7-6,6-3 |
| ATP Monte Carlo - Herrdubbel | 2018/04/15 12:00 | Pouille/Rublev v Klaasen/Venus | 1-6,1-6 |
| ATP Miami - Herrdubbel | 2018/03/28 21:00 | Klaasen/Venus v Bryan/Bryan | 6-3,6-7,8-10 |
| ATP Miami - Herrdubbel | 2018/03/26 17:15 | Klaasen/Venus v Isner/Young | 7-5,6-3 |
| ATP Miami - Herrdubbel | 2018/03/24 15:00 | Dodig/Ram v Klaasen/Venus | 6-7,4-6 |
| ATP Indian Wells - Herrdubbel | 2018/03/13 04:05 | Klaasen/Venus v Dodig/Ram | 2-6,2-6 |
| ATP Indian Wells - Herrdubbel | 2018/03/11 03:15 | Klaasen/Venus v Cabal/Farah | 4-6,6-0,10-5 |
| ATP Barcelona - Herrdubbel | 2018/04/29 11:00 | Qureshi/Rojer v Lopez/Lopez | 6-7,4-6 |
| ATP Barcelona - Herrdubbel | 2018/04/28 15:50 | Lopez/Lopez v Cabal/Farah | 4-6,6-3,10-6 |
| ATP Barcelona - Herrdubbel | 2018/04/26 13:15 | Dodig/Ram v Lopez/Lopez | 2-6,4-6 |
| ATP Monte Carlo - Herrdubbel | 2018/04/15 13:10 | Lopez/Lopez v Cabal/Farah | 3-6,4-6 |
| Davis Cup | 2018/04/07 12:00 | Lopez/Lopez v Puetz/Struff | 3-6,4-6,6-3,7-6,5-7 |
| ATP Miami - Herrdubbel | 2018/03/24 18:05 | Marach/Pavic v Lopez/Lopez | 4-6,7-6,11-9 |
| ATP Indian Wells - Herrdubbel | 2018/03/16 03:40 | Marach/Pavic v Lopez/Lopez | 6-4,6-4 |
| ATP Indian Wells - Herrdubbel | 2018/03/12 19:30 | Lopez/Lopez v Rojer/Tecau | 6-4,7-6 |