24.07.21 | fin | Hans Hach Verdugo/John Isner | Hunter Reese/Sem Verbeek | 5-7, 6-2, 10-4 | | match details | Los Cabos | Hard |
23.07.21 | 1/2 | Hunter Reese/Sem Verbeek | Mackenzie McDonald/Sam Querrey | 6-4, 7-63 | | match details |
22.07.21 | 1/4 | Hunter Reese/Sem Verbeek | Treat Conrad Huey/Steve Johnson | 6-4, 7-63 | | match details |
20.07.21 | 1st round | Hunter Reese/Sem Verbeek | Luke Bambridge/Ken Skupski | 7-64, 6-74, 10-8 | | match details |
02.07.21 | 1/2 | Guido Andreozzi/Guillermo Duran | Hunter Reese/Sem Verbeek | 6-3, 6-4 | | match details | Porto Challenger | Hard |
01.07.21 | 1/4 | Hunter Reese/Sem Verbeek | N.Sriram Balaji/Luca Margaroli | 7-65, 7-64 | | match details |
30.06.21 | 1st round | Hunter Reese/Sem Verbeek | Pedro Araujo/Fabio Coelho | 6-2, 3-6, 10-7 | | match details |