| French Open MD | 2016/05/24 17:25 | Koolhof/Middelkoop v Lamasine/Olivetti | 4-6,5-7 |
| ATP Geneva MD | 2016/05/17 10:00 | Koolhof/Middelkoop v Marach/Martin | 6-4,2-6,10-8 |
| Challenger Aix en Provence MD | 2016/05/03 13:10 | Mektic/Sancic v Koolhof/Middelkoop | 6-4,6-1 |
| ATP Marrakech MD | 2016/04/04 15:50 | Koolhof/Middelkoop v Ramos-Vinolas/Vesely | 7-6,6-7,14-16 |
| ATP Memphis Qual | 2016/02/13 03:35 | Koolhof/Middelkoop v Johnson/Querrey | 3-6,4-6 |
| ATP Sofia MD | 2016/02/06 14:00 | Koolhof/Middelkoop v De Bakker/Haase | 2-6,7-6,11-9 |
| ATP Sofia MD | 2016/02/02 18:00 | Kuzmanov/Lazov v Koolhof/Middelkoop | 7-6,3-6,10-12 |
| Challenger Brest MD | 2015/10/25 13:45 | Koolhof/Middelkoop v Skupski/Skupski | 3-6,6-4,10-6 |
| ATP Auckland MD | 2015/01/15 03:45 | Carreno-Busta/Lopez v Peya/Soares | 3-6,4-6 |