Stadium: Court 3 Round: 26 Ground: Grass
| ATP Halle MD | 2021/06/16 11:00 | Demoliner/Gonzalez v Hanfmann/Koepfer | 6-7,3-6 |
| ATP Stuttgart MD | 2021/06/13 12:05 | Demoliner/Gonzalez v Behar/Escobar | 4-6,6-3,10-8 |
| ATP Stuttgart MD | 2021/06/12 10:00 | Demoliner/Gonzalez v Gonzalez/Molteni | 7-6,6-7,10-6 |
| ATP Stuttgart MD | 2021/06/11 09:00 | Demoliner/Gonzalez v Hurkacz/Kubot | 6-4,6-4 |
| ATP Stuttgart MD | 2021/06/10 11:10 | Murray/Soares v Demoliner/Gonzalez | 2-6,6-3,7-10 |
| French Open MD | 2021/06/02 09:00 | Marach/Qureshi v Demoliner/Gonzalez | 3-6,7-5,6-2 |
| ATP Belgrade MD | 2021/05/26 11:00 | Bambridge/Inglot v Demoliner/Gonzalez | 6-4,6-4 |
| ATP Belgrade MD | 2021/05/25 11:45 | Medjedovic/Tepavac v Demoliner/Gonzalez | 6-7,6-3,9-11 |