Stadium: Court 1 Round: 26 Ground: Hardcourt indoor
| 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 |
| ATP Antwerp MD | 2017/10/21 09:00 | Gonzalez/Peralta v Koolhof/Sitak | 7-5,6-3 |
| ATP Antwerp MD | 2017/10/18 16:35 | Martin/Roger-Vasselin v Koolhof/Sitak | 4-6,6-7 |
| ATP Antwerp MD | 2017/10/17 17:40 | Skupski/Skupski v Koolhof/Sitak | 4-6,6-4,8-10 |
| ATP Beijing MD | 2017/10/02 11:00 | Koolhof/Sitak v Del Potro/Mayer | 4-6,6-3,7-10 |
| ATP Beijing Qual MD | 2017/09/30 09:02 | Koolhof/Sitak v Jebavy/Marrero | 7-6,5-1 |