Stadium: Court 1 Round: 28 Ground: Clay
| ATP - Marbella - HD | 2021/04/08 11:40 | Gonzalez/Reyes-Varela v Arevalo/Middelkoop | 3-6,2-6 |
| ATP - Marbella - HD | 2021/04/07 13:30 | Erlich/Vasilevski v Arevalo/Middelkoop | 4-6,6-7 |
| ATP - Dubai - HD | 2021/03/15 13:00 | Arevalo/Middelkoop v Dodig/Polasek | 6-3,5-7,13-15 |
| ATP - Dubai - HD | 2021/03/14 11:00 | Arevalo/Middelkoop v Sonego/Vavassori | 6-7,5-7 |
| ATP - Dubai - HD | 2021/03/13 14:05 | Arevalo/Middelkoop v Gabashvili/Popko | 6-7,6-1,10-8 |
| ATP - Doha - HD | 2021/03/09 16:15 | Arevalo/Middelkoop v Mektic/Pavic | 1-6,3-6 |
| ATP - Montpellier - HD | 2021/02/25 13:15 | Lammons/Withrow v Arevalo/Middelkoop | 6-4,7-6 |
| ATP - Montpellier - HD | 2021/02/23 09:30 | Davidovich Fokina/Zapata Miralles v Arevalo/Middelkoop | 4-6,5-7 |
| ATP - Marbella - HD | 2021/04/07 15:15 | Brkic/Cacic v Daniell/Oswald | 4-6,7-6,11-9 |
| ATP - Marbella - HD | 2021/04/06 13:55 | Brkic/Cacic v Arends/Pel | 1-6,6-0,10-5 |
| ATP - Santiago - HD | 2021/03/10 20:00 | Bolelli/Gonzalez v Brkic/Cacic | 7-6,6-3 |
| ATP - Buenos Aires - HD | 2021/03/07 16:00 | Behar/Escobar v Brkic/Cacic | 3-6,5-7 |
| ATP - Buenos Aires - HD | 2021/03/05 18:45 | Koepfer/Sousa v Brkic/Cacic | 6-3,6-7,5-10 |
| ATP - Buenos Aires - HD | 2021/03/03 21:05 | Brkic/Cacic v Carballes Baena/Caruso | 6-3,6-4 |
| ATP - Córdoba - HD | 2021/02/25 18:50 | Bagnis/Gonzalez v Brkic/Cacic | 7-5,7-6 |
| Challenger - Forlì - HD | 2020/09/26 08:00 | Golubev/Vavassori v Brkic/Cacic | 6-3,5-7,3-10 |