Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| ATP Cincinnati MD | 2021/08/18 15:00 | Puetz/Venus v Kubot/Melo | 6-2,6-3 |
| ATP Toronto MD | 2021/08/12 18:00 | Karatsev/Lajovic v Kubot/Melo | 6-4,6-4 |
| ATP Toronto MD | 2021/08/10 17:25 | Hurkacz/Sinner v Kubot/Melo | 5-7,4-6 |
| Wimbledon MD | 2021/07/06 15:30 | Mektic/Pavic v Kubot/Melo | 3-6,4-6,6-4,7-6,6-4 |
| Wimbledon MD | 2021/07/02 12:50 | Arends/Middelkoop v Kubot/Melo | 2-6,4-6 |
| Wimbledon MD | 2021/07/01 13:25 | Lammons/Withrow v Kubot/Melo | 4-6,7-5,4-6 |
| French Open MD | 2021/06/01 15:45 | Monroe/Tiafoe v Kubot/Melo | 6-3,6-4 |
| ATP World Tour Finals MD | 2020/11/19 12:00 | Koolhof/Mektic v Kubot/Melo | 4-6,7-6,8-10 |