| ATP Marseille MD | 02/19 12:35 | 27 | Erlich/Vasilevski v Koolhof/Mektic | 3-6,5-7 | |
| ATP Marseille MD | 02/17 15:50 | 26 | Brkic/Cilic v Koolhof/Mektic | 5-7,6-1,10-12 | |
| ATP Rotterdam MD | 02/10 10:00 | 26 | Auger Aliassime/Hurkacz v Koolhof/Mektic | 6-3,7-6 | |
| Australian Open MD | 01/25 00:00 | 25 | Duckworth/Polmans v Koolhof/Mektic | 7-5,6-3 | |
| Australian Open MD | 01/22 05:00 | 24 | Cecchinato/Djere v Koolhof/Mektic | 3-6,6-7 | |
| ATP Adelaide MD | 01/16 02:00 | 27 | Ram/Salisbury v Koolhof/Mektic | 6-4,6-3 | |
| ATP Adelaide MD | 01/14 03:45 | 26 | Koolhof/Mektic v Krawietz/Mies | 7-6,6-2 |