Stadium: Court 6 Round: 25 Ground: Clay
| ATP Madrid MD | 2021/05/05 12:30 | Ram/Salisbury v Bublik/Garin | 6-7,5-7 |
| ATP Madrid MD | 2021/05/09 13:30 | Granollers/Zeballos v Mektic/Pavic | 1-6,6-3,10-8 |
| ATP Madrid MD | 2021/05/08 12:00 | Gille/Vliegen v Mektic/Pavic | 4-6,2-6 |
| ATP Madrid MD | 2021/05/07 11:00 | Koolhof/Kubot v Mektic/Pavic | 3-6,7-6,7-10 |
| ATP Madrid MD | 2021/05/06 09:00 | Purcell/Saville v Mektic/Pavic | 6-4,3-6,4-10 |
| ATP Monte Carlo MD | 2021/04/18 10:00 | Evans/Skupski v Mektic/Pavic | 3-6,6-4,7-10 |
| ATP Monte Carlo MD | 2021/04/17 09:30 | Granollers/Zeballos v Mektic/Pavic | 6-3,5-7,4-10 |
| ATP Monte Carlo MD | 2021/04/16 10:15 | Herbert/Mahut v Mektic/Pavic | 3-6,1-6 |
| ATP Monte Carlo MD | 2021/04/15 11:20 | Behar/Escobar v Mektic/Pavic | 4-6,6-1,3-10 |