Stadium: Court 6 Round: 26 Ground: Clay
| ATP Geneva MD | 2021/05/20 12:15 | Brkic/Cacic v Bolelli/Gonzalez | 3-6,6-7 |
| ATP Belgrade MD | 2021/04/22 10:00 | Brkic/Cacic v Bolelli/Gonzalez | 0-6,7-6,10-8 |
| ATP Santiago MD | 2021/03/10 20:00 | Bolelli/Gonzalez v Brkic/Cacic | 7-6,6-3 |
| French Open MD | 2021/06/03 15:10 | Chardy/Martin v Bolelli/Gonzalez | 2-6,3-6 |
| French Open MD | 2021/06/01 14:15 | Bolelli/Gonzalez v Fritz/McDonald | 6-4,6-3 |
| ATP Parma MD | 2021/05/29 10:30 | Bolelli/Gonzalez v Marach/Qureshi | 6-3,6-3 |
| ATP Parma MD | 2021/05/28 10:30 | Jebavy/Nedovyesov v Bolelli/Gonzalez | 1-6,4-6 |
| ATP Parma MD | 2021/05/27 13:00 | Bolelli/Gonzalez v Purcell/Saville | 6-3,6-3 |
| ATP Parma MD | 2021/05/26 15:25 | Daniell/Oswald v Bolelli/Gonzalez | 2-6,4-6 |
| ATP Geneva MD | 2021/05/22 11:45 | Bolelli/Gonzalez v Peers/Venus | 2-6,5-7 |
| ATP Geneva MD | 2021/05/21 11:40 | Bolelli/Gonzalez v Klaasen/Mclachlan | 3-6,6-3,10-4 |
| 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 |
| ATP Belgrade MD | 2021/04/22 10:00 | Brkic/Cacic v Bolelli/Gonzalez | 0-6,7-6,10-8 |