Stadium: Centrale Round: 27 Ground: Hardcourt indoor
| Challenger - Lugano - Doubles Hommes | 2021/03/24 13:35 | Walkow S / Zielinski J v Margaroli/Sock | 7-6,6-7,10-3 |
| Challenger Biella MD | 2021/03/12 14:45 | Molchanov D / Stakhovsky S v Walkow S / Zielinski J | 7-6,7-6 |
| Challenger Biella MD | 2021/03/11 12:00 | Masur/Rodionov v Walkow S / Zielinski J | 2-6,2-6 |
| Challenger Biella MD | 2021/02/13 12:30 | Walkow S / Zielinski J v Martinez / Vega | 4-6,6-3,8-10 |
| Challenger Biella MD | 2021/02/12 12:00 | Walkow S / Zielinski J v Galloway R / Lawson A | 6-4,6-7,10-6 |
| Challenger Biella MD | 2021/02/11 12:40 | Margaroli/Vasilevski v Walkow S / Zielinski J | 2-6,5-7 |
| Challenger Biella MD | 2021/02/10 10:00 | Augenti/Giunta v Walkow S / Zielinski J | 1-6,3-6 |
| Coupe Davis | 2020/03/07 12:15 | Walkow S / Zielinski J v Lam W K J / Yeung V | 6-3,6-7,6-3 |
| Challenger - Lugano - Doubles Hommes | 2021/03/23 17:15 | Golubev/Tiurnev v Raja/Weissborn | 4-6,6-3,7-10 |
| Challenger Biella MD | 2021/03/19 17:35 | Glasspool/Reid v Raja/Weissborn | 4-6,6-4,10-7 |
| Challenger Biella MD | 2021/03/18 13:20 | Raja/Weissborn v Halys/Pouille | 6-4,4-6,10-7 |
| Challenger Biella MD | 2021/03/17 15:25 | Santillan/Tomic v Raja/Weissborn | 2-6,7-5,3-10 |
| ATP - Marseille - Doubles Hommes | 2021/03/10 14:00 | Raja/Weissborn v Lammons/Withrow | 4-6,6-7 |