Stadium: Arena Annexe Round: 26 Ground: Hardcourt indoor
| 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 |
| ATP Shenzhen MD | 2017/09/27 06:00 | Begemann/Skugor v Koolhof/Sitak | 7-5,7-6 |
| ATP Metz MD | 2017/09/24 11:45 | Benneteau/Roger-Vasselin v Koolhof/Sitak | 7-5,6-3 |
| ATP Metz MD | 2017/09/22 14:00 | Koolhof/Sitak v Mirnyi/Oswald | 6-4,3-6,10-7 |