Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| Challenger - Biella - Dublu Masculin | 2021/02/12 12:00 | Walkow/Zielinski v Galloway/Lawson | 6-4,6-7,10-6 |
| Challenger Split - Dublu Masculin | 2021/04/07 12:40 | Doumbia/Reboul v Walkow/Zielinski | 3-6,2-6 |
| Challenger - Lugano - Dublu Masculin | 2021/03/26 16:05 | Molchanov/Stakhovsky v Walkow/Zielinski | 4-6,7-6,10-4 |
| Challenger - Lugano - Dublu Masculin | 2021/03/25 14:20 | Walkow/Zielinski v Raja/Weissborn | 6-4,6-2 |
| Challenger - Lugano - Dublu Masculin | 2021/03/24 13:35 | Walkow/Zielinski v Margaroli/Sock | 7-6,6-7,10-3 |
| Challenger - Biella - Dublu Masculin | 2021/03/12 14:45 | Molchanov/Stakhovsky v Walkow/Zielinski | 7-6,7-6 |
| Challenger - Biella - Dublu Masculin | 2021/03/11 12:00 | Masur/Rodionov v Walkow/Zielinski | 2-6,2-6 |
| Challenger - Biella - Dublu Masculin | 2021/02/13 12:30 | Walkow/Zielinski v Martinez Portero/Vega Hernandez | 4-6,6-3,8-10 |
| Challenger - Biella - Dublu Masculin | 2021/02/12 12:00 | Walkow/Zielinski v Galloway/Lawson | 6-4,6-7,10-6 |
| Challenger Split - Dublu Masculin | 2021/04/07 11:20 | Cerretani/Shamasdin v Galloway/Lawson | 6-7,5-7 |
| Challenger - Marbella - Dublu Masculin | 2021/03/31 11:15 | C Baena/E Lobato v Galloway/Lawson | 7-6,6-2 |
| Challenger - Cleveland - Dublu Masculin | 2021/03/20 17:00 | King/Reese v Galloway/Lawson | 5-7,7-6,9-11 |
| Challenger - Cleveland - Dublu Masculin | 2021/03/19 17:00 | Barrientos/Gonzales v Galloway/Lawson | 5-7,4-6 |
| Challenger - Cleveland - Dublu Masculin | 2021/03/18 18:20 | Corwin/Hopper v Galloway/Lawson | 7-5,4-6,5-10 |
| Challenger - Cleveland - Dublu Masculin | 2021/03/17 01:20 | Chappell/Pervolarakis v Galloway/Lawson | 3-6,1-6 |
| ATP - Singapore - Dublu Masculin | 2021/02/26 09:15 | Galloway/Lawson v Ebden/Smith | 4-6,6-3,5-10 |
| ATP - Singapore - Dublu Masculin | 2021/02/23 05:10 | Galloway/Lawson v Daniel/Jung | 7-5,6-3 |