Stadium: Court 16 Round: 26 Ground: Clay
| Challenger Biella MD | 2021/02/13 12:30 | Walkow/Zielinski v Martinez Portero/Vega Hernandez | 4-6,6-3,8-10 |
| Challenger Biella MD | 2021/02/12 12:00 | Walkow/Zielinski v Galloway/Lawson | 6-4,6-7,10-6 |
| Challenger Biella MD | 2021/02/11 12:40 | Margaroli/Vasilevski v Walkow/Zielinski | 2-6,5-7 |
| Challenger Biella MD | 2021/02/10 10:00 | Augenti/Giunta v Walkow/Zielinski | 1-6,3-6 |
| Davis Cup | 2020/03/07 12:15 | Walkow/Zielinski v Lam/Yeung | 6-3,6-7,6-3 |
| ITF M25 Sunderland MD | 2020/02/29 13:35 | de Jong/Stevens v Walkow/Zielinski | 4-6,4-6 |
| ITF M25 Sunderland MD | 2020/02/28 16:25 | Emhardt/Hands v Walkow/Zielinski | 1-6,1-6 |
| ITF M25 Sunderland MD | 2020/02/27 15:40 | Eriksson/Samuelsson v Walkow/Zielinski | 6-7,6-4,6-10 |
| ITF M15 St Petersburg MD | 2021/02/11 13:55 | Sorrentino/Spec v Golubev/Tiurnev | 1-6,6-4,10-3 |
| ITF M15 St Petersburg MD | 2021/02/04 15:55 | Golubev/Tiurnev v Cozbinov/Deviatiarov | 6-1,1-6,6-10 |
| ITF M15 St Petersburg MD | 2021/02/03 12:30 | Golubev/Tiurnev v Bocchi/Guerrieri | 1-6,6-3,10-5 |
| ITF M15 Antalya MD | 2020/12/10 10:15 | Golubev/Tiurnev v Alkaya/Celikbilek | 2-6,5-7 |
| ITF M15 Antalya MD | 2020/12/01 11:00 | Golubev/Tiurnev v Fufygin/Nashatyrkin | 4-6,2-6 |
| ATP St Petersburg MD | 2020/10/15 12:05 | Golubev/Tiurnev v Melzer/Roger-Vasselin | 6-4,1-6,8-10 |