Stadium: Center Court Round: 29 Ground: Grass
| ATP Santiago MD | 2021/03/10 16:40 | Behar/Escobar v Demoliner/Gonzalez | 3-6,4-6 |
| 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 |
| ATP Lyon MD | 2021/05/22 09:45 | Herbert/Mahut v Demoliner/Gonzalez | 7-5,7-6 |
| ATP Lyon MD | 2021/05/20 10:00 | Nedovyesov/Vavassori v Demoliner/Gonzalez | 6-7,4-6 |
| ATP Stuttgart MD | 2021/06/12 12:05 | Behar/Escobar v Cilic/Dodig | 7-6,1-6,14-12 |
| ATP Stuttgart MD | 2021/06/11 12:15 | Behar/Escobar v Daniell/Oswald | 7-6,7-6 |
| ATP Stuttgart MD | 2021/06/09 13:10 | Basilashvili/Sharan v Behar/Escobar | 4-6,2-6 |
| French Open MD | 2021/06/01 09:00 | Behar/Escobar v Krawietz/Tecau | 3-6,6-3,6-7 |
| ATP Belgrade MD | 2021/05/24 16:00 | Behar/Escobar v Arends/Martinez | 7-5,6-7,4-10 |
| ATP Geneva MD | 2021/05/21 13:30 | Behar/Escobar v Peers/Venus | 6-4,6-7,8-10 |
| ATP Geneva MD | 2021/05/21 10:00 | Behar/Escobar v Bopanna/Skugor | 6-3,3-6,13-11 |
| ATP Geneva MD | 2021/05/20 11:00 | Lammons/Withrow v Behar/Escobar | 3-6,4-6 |