Stadium: Court 4 Round: 24 Ground: Hardcourt outdoor
| ATP Cincinnati MD | 2021/08/19 23:00 | Mektic/Pavic v Hurkacz/Sinner | 7-6,5-7,5-10 |
| ATP Toronto MD | 2021/08/15 17:30 | Mektic/Pavic v Ram/Salisbury | 3-6,6-4,3-10 |
| ATP Toronto MD | 2021/08/14 16:30 | Mektic/Pavic v Krawietz/Tecau | 7-6,7-6 |
| ATP Toronto MD | 2021/08/13 17:30 | Mektic/Pavic v Middelkoop/Saville | 6-3,6-7,10-7 |
| ATP Toronto MD | 2021/08/12 16:25 | Mektic/Pavic v Evans/Skupski | 3-6,7-5,13-11 |
| Olympics 2020 - MD | 2021/07/30 10:00 | Mektic/Pavic v Cilic/Dodig | 6-4,3-6,10-6 |
| Olympics 2020 - MD | 2021/07/29 07:50 | Mektic/Pavic v Krajicek/Sandgren | 6-4,6-4 |
| Olympics 2020 - MD | 2021/07/28 08:55 | Mektic/Pavic v Mclachlan/Nishikori | 6-3,6-3 |
| ATP Atlanta MD | 2021/07/27 15:00 | Johnson/Thompson v Lammons/Withrow | 6-4,7-5 |
| ATP Los Cabos MD | 2021/07/20 01:35 | McDonald/Querrey v Lammons/Withrow | 6-1,6-4 |
| ATP Newport MD | 2021/07/14 16:50 | Lammons/Withrow v Heliovaara/Smith | 4-6,7-6,7-10 |
| Wimbledon MD | 2021/07/01 13:25 | Lammons/Withrow v Kubot/Melo | 4-6,7-5,4-6 |
| Challenger Nottingham MD | 2021/06/16 16:05 | Soeda/Zhang v Lammons/Withrow | 7-5,2-6,13-11 |
| Challenger Nottingham MD | 2021/06/15 17:10 | Maclean/Murgett v Lammons/Withrow | 3-6,3-6 |
| Challenger Nottingham MD | 2021/06/11 10:00 | Lammons/Withrow v Ebden/Smith | 7-5,4-6,12-14 |
| Challenger Nottingham MD | 2021/06/10 12:50 | Polmans/Sitak v Lammons/Withrow | 4-6,2-6 |