Stadium: Campo 3 Round: 26 Ground: Clay
| Challenger Rome - MD | 2021/04/21 16:00 | Lorenzi/Varillas v Lammons/Withrow | 6-3,3-6,10-7 |
| Challenger Belgrade - MD | 2021/04/14 15:50 | Begemann/Vavassori v Lammons/Withrow | 7-5,6-3 |
| ATP Cagliari - MD | 2021/04/05 15:25 | Lammons/Withrow v Bolelli/Molteni | 5-7,4-6 |
| ATP Marsylia - MD | 2021/03/12 11:30 | Arends/Pel v Lammons/Withrow | 6-1,7-6 |
| ATP Marsylia - MD | 2021/03/11 10:30 | Lammons/Withrow v Bambridge/Inglot | 7-6,7-6 |
| ATP Marsylia - MD | 2021/03/10 14:00 | Raja/Weissborn v Lammons/Withrow | 4-6,6-7 |
| Challenger Nur-Sultan - MD | 2021/03/06 05:00 | Lammons/Withrow v Pasha/Schnur | 6-4,6-2 |
| Challenger Nur-Sultan - MD | 2021/03/04 10:45 | Lammons/Withrow v Skatov/Virtanen | 6-3,6-2 |
| Challenger Biella - MD | 2021/02/17 14:05 | Martinez Portero/Vega Hernandez v Napolitano/Vanni | 6-7,7-5,10-7 |
| Challenger Biella - MD | 2021/02/10 15:45 | Fabbiano/Klizan v Napolitano/Vanni | 7-6,6-4 |