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