Stadium: Court 1 Round: 27 Ground: Hardcourt indoor
| ATP Moscow MD | 2021/10/20 13:40 | Heliovaara/Middelkoop v Karatsev/Muzaev | 6-4,6-4 |
| ATP Moscow MD | 2021/10/19 16:00 | Khachanov/Rublev v Saville/Smith | 6-2,7-5 |
| ATP Cincinnati MD | 2021/08/18 21:10 | Khachanov/Rublev v Granollers/Zeballos | 6-7,5-7 |
| ATP Cincinnati MD | 2021/08/15 22:00 | Bolelli/Gonzalez v Khachanov/Rublev | 7-6,3-6,9-11 |
| ATP Toronto MD | 2021/08/12 20:00 | Khachanov/Rublev v Cabal/Farah | 3-6,4-6 |
| ATP Toronto MD | 2021/08/09 16:00 | Khachanov/Rublev v Auger Aliassime/Galarneau | 6-4,7-6 |
| Olympics 2020 - MD | 2021/07/24 06:20 | Khachanov/Rublev v Ram/Tiafoe | 7-6,6-7,10-12 |
| ATP Halle MD | 2021/06/14 14:00 | Khachanov/Rublev v Auger Aliassime/Hurkacz | 3-6,6-4,5-10 |
| ATP Madrid MD | 2021/05/05 10:55 | Granollers/Zeballos v Khachanov/Rublev | 6-3,6-2 |