Estádio: Court 10 Round: 25 Ground: Hardcourt outdoor
| Open dos EUA - Duplas Masculinas | 2021/09/02 20:30 | Mektic/Pavic v Lammons/Withrow | 2-6,5-7 |
| ATP - Atlanta - Duplas Masculinas | 2021/07/27 15:00 | Johnson/Thompson v Lammons/Withrow | 6-4,7-5 |
| ATP - Los Cabos - Duplas Masculinas | 2021/07/20 01:35 | McDonald/Querrey v Lammons/Withrow | 6-1,6-4 |
| ATP - Newport - Duplas Masculinas | 2021/07/14 16:50 | Lammons/Withrow v Heliovaara/Smith | 4-6,7-6,7-10 |
| Wimbledon - Duplas Masculinas | 2021/07/01 13:25 | Lammons/Withrow v Kubot/Melo | 4-6,7-5,4-6 |
| Challenger - Nottingham - Duplas Masculinas | 2021/06/16 16:05 | Soeda/Zhang v Lammons/Withrow | 7-5,2-6,13-11 |
| Challenger - Nottingham - Duplas Masculinas | 2021/06/15 17:10 | Maclean/Murgett v Lammons/Withrow | 3-6,3-6 |
| Challenger - Nottingham - Duplas Masculinas | 2021/06/11 10:00 | Lammons/Withrow v Ebden/Smith | 7-5,4-6,12-14 |
| Open dos EUA - Duplas Masculinas | 2021/09/02 18:45 | Saville/Smith v Berankis/Paire | 4-6,4-6 |