Stadium: Court 3 Round: 26 Ground: Clay
| 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 Marseille MD | 2021/03/12 11:30 | Arends/Pel v Lammons/Withrow | 6-1,7-6 |
| ATP Marseille MD | 2021/03/11 10:30 | Lammons/Withrow v Bambridge/Inglot | 7-6,7-6 |
| ATP Marseille 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 Nur-Sultan MD | 2021/03/02 09:55 | Lammons/Withrow v Istomin/Yevseyev | 6-1,4-6,10-7 |