Stadium: Goran Ivanisevic Stadium Round: 29 Ground: Clay
| ATP Umag MD | 2021/07/23 18:50 | Brkic/Cacic v Sabanov/Sabanov | 6-1,6-2 |
| ATP Umag MD | 2021/07/22 18:45 | Brkic/Cacic v Jebavy/Vesely | 6-2,6-2 |
| ATP Umag MD | 2021/07/21 19:40 | Brkic/Cacic v Ajdukovic/Nincevic | 6-4,3-6,10-8 |
| ATP Hamburg MD | 2021/07/14 10:30 | Golubev/Nedovyesov v Brkic/Cacic | 6-3,7-6 |
| Wimbledon MD | 2021/07/05 12:15 | Mektic/Pavic v Brkic/Cacic | 6-2,3-6,7-6,6-4 |
| Wimbledon MD | 2021/07/03 10:00 | Brkic/Cacic v Daniell/Oswald | 6-3,1-6,13-12 |
| Wimbledon MD | 2021/07/02 13:30 | Brkic/Cacic v Gerasimov/Nishioka | 7-6,6-4 |
| ATP Mallorca MD | 2021/06/22 14:40 | Djokovic/Gomez-Herrera v Brkic/Cacic | 5-7,6-4,13-11 |
| ATP Umag MD | 2021/07/23 15:00 | Albot/Martinez v Romboli/Vega Hernandez | 6-4,6-7,7-10 |
| ATP Umag MD | 2021/07/22 14:30 | Romboli/Vega Hernandez v Kalender/Poljicak | 3-6,7-5,16-14 |
| ATP Umag MD | 2021/07/21 14:30 | Lopez/Munar v Romboli/Vega Hernandez | 5-7,6-4,5-10 |
| Challenger Braunschweig MD | 2021/07/08 11:00 | Ehrat/Gerch v Romboli/Vega Hernandez | 4-6,4-6 |
| Challenger Braunschweig MD | 2021/07/06 14:00 | Bergs/Geerts v Romboli/Vega Hernandez | 6-7,2-6 |
| Challenger Aix en Provence MD | 2021/06/17 15:45 | Drzewiecki/Martos Gornes v Romboli/Vega Hernandez | 6-3,3-6,12-10 |
| Challenger Aix en Provence MD | 2021/06/16 13:00 | Dougaz/Velotti v Romboli/Vega Hernandez | 5-7,4-6 |
| Challenger Lyon MD | 2021/06/11 10:00 | Romboli/Vega Hernandez v Lamasine/Olivetti | 1-6,6-0,9-11 |