Stadium: Court 5 Round: 26 Ground: Hardcourt outdoor
| Australian Open - Herredouble | 2018/01/19 01:30 | Koolhof/Sitak v Marach/Pavic | 7-6,4-6,4-6 |
| Australian Open - Herredouble | 2018/01/17 01:40 | Gojowczyk/Mayer v Koolhof/Sitak | 2-6,1-6 |
| ATP - Auckland - Herredouble | 2018/01/09 08:30 | Koolhof/Sitak v Klaasen/Venus | 1-6,7-6,7-10 |
| ATP - Brisbane - Herredouble | 2018/01/06 01:30 | Koolhof/Sitak v Mayer/Zeballos | 6-4,1-6,6-10 |
| ATP - Brisbane - Herredouble | 2018/01/03 03:10 | Koolhof/Sitak v Johnson/Muller | 7-6,7-5 |
| ATP - Brisbane - Herredouble | 2018/01/01 01:00 | Koolhof/Sitak v Huey/Martin | 6-3,6-2 |
| Challenger - Mouilleron le Captif - Herredouble | 2017/11/11 12:00 | Koolhof/Sitak v Bednarek/Pel | 6-4,6-7,10-12 |
| Challenger - Mouilleron le Captif - Herredouble | 2017/11/09 14:00 | Koolhof/Sitak v Bury/Siljestrom | 6-2,6-1 |
| Challenger - Surbiton - Herredouble | 2017/06/10 10:45 | Daniell/Qureshi v Huey/Kudla | 6-3,7-6 |
| Challenger - Surbiton - Herredouble | 2017/06/09 17:00 | Huey/Kudla v Monroe/Sitak | 4-6,7-6,10-5 |
| Challenger - Surbiton - Herredouble | 2017/06/09 14:15 | Huey/Kudla v Erlich/Oswald | 7-6,7-6 |
| Challenger - Surbiton - Herredouble | 2017/06/07 15:35 | Huey/Kudla v Evans/Glasspool | 6-3,6-4 |