Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ATP Vienna MD | 2021/10/27 19:00 | Mahut/Martin v Gille/Koepfer | 6-7,3-6 |
| ATP Antwerp MD | 2021/10/24 12:00 | Koolhof/Rojer v Mahut/Martin | 0-6,1-6 |
| ATP Antwerp MD | 2021/10/22 11:00 | Molchanov/Nedovyesov v Mahut/Martin | 6-7,2-6 |
| ATP Antwerp MD | 2021/10/21 12:20 | Marach/Oswald v Mahut/Martin | 6-7,4-6 |
| ATP Antwerp MD | 2021/10/19 11:00 | Bemelmans/Coppejans v Mahut/Martin | 3-6,2-6 |
| ATP Winston-Salem MD | 2021/08/23 18:00 | Brkic/Cacic v Mahut/Martin | 4-6,1-6 |
| ATP Hamburg MD | 2020/09/24 11:50 | Rojer/Tecau v Mahut/Martin | 6-3,7-5 |
| ATP Hamburg MD | 2020/09/23 08:30 | Nielsen/Puetz v Mahut/Martin | 5-7,5-7 |