Stadium: TennisPoint Court Round: 26 Ground: Grass
| ATP Halle MD | 2021/06/16 11:00 | Demoliner/Gonzalez v Hanfmann/Koepfer | 6-7,3-6 |
| ATP Halle MD | 2021/06/13 13:30 | Masur/Molleker v Hanfmann/Koepfer | 5-7,7-6,10-6 |
| ATP Halle MD | 2021/06/12 16:05 | Hanfmann/Koepfer v Goransson/Korda | 6-2,7-6 |
| ATP Stuttgart MD | 2021/06/08 11:15 | Hanfmann/Koepfer v Saville/Thompson | 6-1,4-6,10-7 |
| ATP Munich MD | 2021/04/28 10:00 | Daniell/Oswald v Hanfmann/Koepfer | 6-7,4-6 |
| ATP Munich MD | 2021/04/26 11:25 | Hanfmann/Koepfer v Molchanov/Skugor | 6-7,7-5,10-5 |