Stadium: Court 7 Round: 25 Ground: Hardcourt outdoor
| Australian Open MD | 2018/01/17 01:40 | Gojowczyk/Mayer v Koolhof/Sitak | 2-6,1-6 |
| ATP Auckland MD | 2018/01/09 08:30 | Koolhof/Sitak v Klaasen/Venus | 1-6,7-6,7-10 |
| ATP Brisbane MD | 2018/01/06 01:30 | Koolhof/Sitak v Mayer/Zeballos | 6-4,1-6,6-10 |
| ATP Brisbane MD | 2018/01/03 03:10 | Koolhof/Sitak v Johnson/Muller | 7-6,7-5 |
| ATP Brisbane MD | 2018/01/01 01:00 | Koolhof/Sitak v Huey/Martin | 6-3,6-2 |
| Challenger Mouilleron le Captif MD | 2017/11/11 12:00 | Koolhof/Sitak v Bednarek/Pel | 6-4,6-7,10-12 |
| Challenger Mouilleron le Captif MD | 2017/11/09 14:00 | Koolhof/Sitak v Bury/Siljestrom | 6-2,6-1 |
| Challenger Brest MD | 2017/10/24 11:00 | Koolhof/Sitak v Chardy/Giannessi | 5-7,4-6 |
| Australian Open MD | 2018/01/17 00:00 | Delbonis/E Burgos v Marach/Pavic | 1-6,4-6 |
| ATP Auckland MD | 2018/01/12 23:30 | Marach/Pavic v Mirnyi/Oswald | 6-4,5-7,10-7 |
| ATP Auckland MD | 2018/01/12 03:00 | Marach/Pavic v Gonzalez/Peralta | 6-4,4-6,10-6 |
| ATP Auckland MD | 2018/01/11 02:40 | Marach/Pavic v Nestor/Young | 7-6,6-3 |
| ATP Auckland MD | 2018/01/09 23:30 | Marach/Pavic v Duran/Molteni | 6-4,6-7,10-6 |
| ATP Doha MD | 2018/01/05 13:30 | Murray/Soares v Marach/Pavic | 2-6,6-7 |
| ATP Doha MD | 2018/01/04 14:00 | Carreno-Busta/Lopez v Marach/Pavic | 3-6,4-6 |
| ATP Doha MD | 2018/01/03 17:25 | Altuna/Ymer v Marach/Pavic | 2-6,3-6 |