Stadium: Court 4 Round: 26 Ground: Clay
| ATP - Madrid - Doubles Hommes | 2021/05/04 14:55 | Koolhof/Kubot v Tsitsipas/Tsitsipas | 6-4,5-7,10-6 |
| ATP - Barcelone - Doubles Hommes | 2021/04/19 10:00 | Koolhof/Kubot v Alcaraz/Carreno-Busta | 4-6,1-6 |
| ATP - Monte-Carlo - Doubles Hommes | 2021/04/14 13:30 | Fognini / Schwartzm. v Koolhof/Kubot | 1-6,6-4,10-7 |
| ATP - Monte-Carlo - Doubles Hommes | 2021/04/13 12:55 | Mannarino A / Paire B v Koolhof/Kubot | 6-7,3-6 |
| ATP - Miami - Doubles Hommes | 2021/03/25 17:55 | Khachanov/Rublev v Koolhof/Kubot | 6-4,6-2 |
| ATP - Dubaï - Doubles Hommes | 2021/03/17 11:10 | Koolhof/Kubot v Krawietz/Struff | 7-5,3-6,3-10 |
| ATP - Dubaï - Doubles Hommes | 2021/03/15 09:00 | Koolhof/Kubot v Melo M / Rojer J J | 6-4,0-6,12-10 |
| ATP - Rotterdam - Doubles Hommes | 2021/03/03 13:30 | Chardy J / Martin F v Koolhof/Kubot | 6-4,6-3 |
| ATP - Madrid - Doubles Hommes | 2021/05/02 14:20 | Evans D / Skupski K v Demoliner M / Medvedev D | 3-6,6-7 |
| ATP Cincinnati MD | 2019/08/15 20:20 | Demoliner M / Medvedev D v Pavic M / Soares B | 5-7,6-7 |
| ATP Cincinnati MD | 2019/08/14 20:55 | Demoliner M / Medvedev D v Haase R / Koolhof W | 7-5,1-6,10-6 |
| ATP - Madrid - Doubles Hommes | 2019/05/09 10:00 | Carballes Baena/Munar v Demoliner M / Medvedev D | 6-7,5-7 |
| ATP - Madrid - Doubles Hommes | 2019/05/07 14:40 | Demoliner M / Medvedev D v Lajovic D / Middelkoop M | 6-4,7-6 |
| ATP - Monte-Carlo - Doubles Hommes | 2019/04/18 12:30 | Demoliner M / Medvedev D v Cabal / Farah | 6-2,6-4 |
| ATP - Monte-Carlo - Doubles Hommes | 2019/04/16 11:15 | Goffin D / Pouille L v Demoliner M / Medvedev D | 5-7,3-6 |
| Brisbane, Australie, Doubles | 2019/01/01 04:05 | Millman J / Smith J v Demoliner M / Medvedev D | 6-7,6-4,10-4 |