Stadium: Court 1 Round: 27 Ground: Hardcourt indoor
| Challenger - Nottingham - Doubles Hommes | 2021/06/15 17:10 | Maclean/Murgett v Lammons/Withrow | 3-6,3-6 |
| Challenger - Nottingham - Doubles Hommes | 2021/06/11 10:00 | Lammons/Withrow v Ebden/Smith | 7-5,4-6,12-14 |
| Challenger - Nottingham - Doubles Hommes | 2021/06/10 12:50 | Polmans/Sitak v Lammons/Withrow | 4-6,2-6 |
| Challenger - Nottingham - Doubles Hommes | 2021/06/09 17:10 | Kudla/Zhang v Lammons/Withrow | 7-6,6-7,6-10 |
| ATP Parma MD | 2021/05/26 13:50 | Reid/Venus v Lammons/Withrow | 7-6,6-3 |
| ATP - Genève - Doubles Hommes | 2021/05/20 11:00 | Lammons/Withrow v Behar A / Escobar G | 3-6,4-6 |
| Challenger Heilbronn MD | 2021/05/15 09:00 | Goransson/Verbeek v Lammons/Withrow | 7-6,4-6,8-10 |
| Challenger Heilbronn MD | 2021/05/14 15:50 | Lammons/Withrow v Arends/Sharan | 6-3,6-3 |