Stadium: Campo 4 Round: 27 Ground: Clay
| Challenger Verona MD | 2021/08/18 09:00 | Margaroli/Oliveira v Vega Hernandez/Vervoort | 4-6,7-6,11-9 |
| Challenger Verona MD | 2021/08/18 12:30 | De Jong/Van Rijthoven v Mejia/Quiroz | 6-3,6-4 |
| Challenger Oeiras MD | 2021/05/29 10:00 | De Jong/Van Rijthoven v Lenz/Quiroz | 6-1,7-6 |
| Challenger Oeiras MD | 2021/05/28 16:50 | Cachin/Ugo Carabelli v De Jong/Van Rijthoven | 4-6,4-6 |
| Challenger Oeiras MD | 2021/05/26 14:50 | Brown/Weissborn v De Jong/Van Rijthoven | 6-4,1-6,10-12 |
| Challenger Oeiras MD | 2021/05/25 15:30 | De Jong/Van Rijthoven v Tseng/Wu | 6-2,6-1 |