Stadium: Court Suzanne Lenglen Round: 27 Ground: Clay
| French Open MD | 2021/06/06 14:00 | Herbert/Mahut v Haase/Struff | 0-6,6-3,7-6 |
| French Open MD | 2021/06/04 16:15 | Herbert/Mahut v Erlich/Harris | 6-3,3-6,7-5 |
| French Open MD | 2021/06/02 11:55 | Herbert/Mahut v Norrie/O'Mara | 6-3,3-6,6-3 |
| ATP Lyon MD | 2021/05/23 09:45 | Herbert/Mahut v Nys/Puetz | 4-6,7-5,8-10 |
| ATP Lyon MD | 2021/05/22 09:45 | Herbert/Mahut v Demoliner/Gonzalez | 7-5,7-6 |
| ATP Lyon MD | 2021/05/20 11:40 | Herbert/Mahut v Sitak/Sousa | 6-1,6-1 |
| ATP Lyon MD | 2021/05/18 10:55 | Herbert/Mahut v Norrie/O'Mara | 6-1,6-1 |
| ATP Madrid MD | 2021/05/07 14:00 | Granollers/Zeballos v Herbert/Mahut | 7-6,6-2 |
| French Open MD | 2021/06/05 09:00 | Bolelli/Gonzalez v Brkic/Cacic | 4-6,4-6 |
| French Open MD | 2021/06/03 14:10 | Brkic/Cacic v Granollers/Zeballos | 6-3,3-6,6-3 |
| French Open MD | 2021/06/02 16:05 | Popyrin/Thompson v Brkic/Cacic | 5-7,7-6,3-6 |
| ATP Belgrade MD | 2021/05/23 15:20 | Sabanov/Sabanov v Brkic/Cacic | 4-6,6-3,10-8 |
| ATP Geneva MD | 2021/05/20 12:15 | Brkic/Cacic v Bolelli/Gonzalez | 3-6,6-7 |
| ATP Geneva MD | 2021/05/19 10:30 | Marach/Pavic v Brkic/Cacic | 6-7,2-6 |
| ATP Munich MD | 2021/04/28 10:20 | Brkic/Cacic v Ebden/Smith | 6-7,6-7 |
| ATP Belgrade MD | 2021/04/23 11:00 | Behar/Escobar v Brkic/Cacic | 6-3,6-4 |