Stadium: Centre Court Round: 2 Ground: Hardcourt indoor
| French Open MD | 2018/06/02 09:00 | Klaasen/Venus v Mektic/Peya | 6-7,6-7 |
| ATP Madrid MD | 2018/05/11 14:50 | Mektic/Peya v Klaasen/Venus | 6-7,6-3,10-8 |
| ATP World Tour Finals MD | 2018/11/11 12:00 | Murray/Soares v Klaasen/Venus | 7-6,4-6,10-5 |
| ATP Paris MD | 2018/11/02 16:35 | Klaasen/Venus v Rojer/Tecau | 6-7,0-6 |
| ATP Paris MD | 2018/11/01 10:00 | Klaasen/Venus v Krajicek/Mektic | 3-6,6-4,10-5 |
| ATP Basel MD | 2018/10/24 11:00 | Klaasen/Venus v Huesler/Verbeek | 5-7,7-5,5-10 |
| ATP Shanghai MD | 2018/10/12 05:00 | Klaasen/Venus v Kubot/Melo | 6-7,6-4,7-10 |
| ATP Shanghai MD | 2018/10/11 05:00 | Klaasen/Venus v Mclachlan/Struff | 6-3,6-3 |
| ATP Tokyo MD | 2018/10/07 04:00 | Mclachlan/Struff v Klaasen/Venus | 6-4,7-5 |
| ATP Tokyo MD | 2018/10/06 08:50 | Klaasen/Venus v Salisbury/Uchiyama | 4-6,7-6,18-16 |
| ATP World Tour Finals MD | 2018/11/11 18:00 | Cabal/Farah v Mektic/Peya | 6-3,6-4 |
| ATP Cincinnati MD | 2018/08/16 23:00 | Marach/Pavic v Mektic/Peya | 6-7,2-6 |
| ATP Cincinnati MD | 2018/08/14 23:35 | Carreno-Busta/Sousa v Mektic/Peya | 3-6,7-5,9-11 |
| ATP Toronto MD | 2018/08/11 22:15 | Mektic/Peya v Kontinen/Peers | 6-7,6-4,10-12 |
| ATP Toronto MD | 2018/08/10 20:05 | Mektic/Peya v Anderson/Djokovic | 7-5,7-5 |
| ATP Toronto MD | 2018/08/09 15:00 | Murray/Soares v Mektic/Peya | 4-6,4-6 |
| ATP Toronto MD | 2018/08/07 19:30 | Mektic/Peya v Dodig/Kyrgios | 6-2,6-2 |
| ATP Washington MD | 2018/08/01 17:45 | Bryan/Roger-Vasselin v Mektic/Peya | 6-7,7-6,10-5 |