Estádio: Campo 1 Round: 28 Ground: Hardcourt indoor
| Challenger - Biella - Duplas Masculinas | 2021/03/12 14:45 | Molchanov/Stakhovsky v Walkow/Zielinski | 7-6,7-6 |
| Challenger - Lugano - Duplas Masculinas | 2021/03/25 16:00 | Lenz/Masur v Molchanov/Stakhovsky | 5-7,6-3,12-14 |
| Challenger - Lugano - Duplas Masculinas | 2021/03/23 16:10 | Marrero/Menendez-Maceiras v Molchanov/Stakhovsky | 6-4,4-6,4-10 |
| Challenger - Biella - Duplas Masculinas | 2021/03/20 13:15 | Molchanov/Stakhovsky v Glasspool/Reid | 3-6,4-6 |
| Challenger - Biella - Duplas Masculinas | 2021/03/19 16:15 | Molchanov/Stakhovsky v Bonzi/Nys | 6-4,6-4 |
| Challenger - Biella - Duplas Masculinas | 2021/03/18 14:50 | Barrere/Olivetti v Molchanov/Stakhovsky | 7-6,2-6,5-10 |
| Challenger - Biella - Duplas Masculinas | 2021/03/17 18:25 | Doumbia/Reboul v Molchanov/Stakhovsky | 5-7,6-3,7-10 |
| Challenger - Biella - Duplas Masculinas | 2021/03/12 14:45 | Molchanov/Stakhovsky v Walkow/Zielinski | 7-6,7-6 |
| Challenger - Biella - Duplas Masculinas | 2021/03/10 16:25 | Molchanov/Stakhovsky v Klizan/Kolar | 6-2,6-4 |
| Challenger - Lugano - Duplas Masculinas | 2021/03/25 14:20 | Walkow/Zielinski v Raja/Weissborn | 6-4,6-2 |
| Challenger - Lugano - Duplas Masculinas | 2021/03/24 13:35 | Walkow/Zielinski v Margaroli/Sock | 7-6,6-7,10-3 |
| Challenger - Biella - Duplas Masculinas | 2021/03/12 14:45 | Molchanov/Stakhovsky v Walkow/Zielinski | 7-6,7-6 |
| Challenger - Biella - Duplas Masculinas | 2021/03/11 12:00 | Masur/Rodionov v Walkow/Zielinski | 2-6,2-6 |
| Challenger - Biella - Duplas Masculinas | 2021/02/13 12:30 | Walkow/Zielinski v Martinez Portero/Vega Hernandez | 4-6,6-3,8-10 |
| Challenger - Biella - Duplas Masculinas | 2021/02/12 12:00 | Walkow/Zielinski v Galloway/Lawson | 6-4,6-7,10-6 |
| Challenger - Biella - Duplas Masculinas | 2021/02/11 12:40 | Margaroli/Vasilevski v Walkow/Zielinski | 2-6,5-7 |
| Challenger - Biella - Duplas Masculinas | 2021/02/10 10:00 | Augenti/Giunta v Walkow/Zielinski | 1-6,3-6 |