Stadium: Palapajetta Court Round: 29 Ground: Clay
| 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 M25 Sunderland MD | 2020/02/25 14:20 | Binding/Patten v Walkow/Zielinski | 4-6,2-6 |
| Challenger Biella MD | 2021/02/12 13:35 | Huey/Verbeek v Martinez Portero/Vega Hernandez | 5-7,3-6 |
| Challenger Biella MD | 2021/02/11 13:55 | Fabbiano/Klizan v Martinez Portero/Vega Hernandez | 3-6,4-6 |
| Challenger Biella MD | 2021/02/09 11:55 | Gaio/Pellegrino v Martinez Portero/Vega Hernandez | 6-2,4-6,8-10 |
| Challenger Antalya MD | 2021/01/31 18:20 | Martinez Portero/Vega Hernandez v Molchanov/Nedovyesov | 6-3,4-6,16-18 |
| Challenger Antalya MD | 2021/01/31 17:00 | Martinez Portero/Vega Hernandez v Giannessi/Musetti | 6-0,6-3 |
| Challenger Antalya MD | 2021/01/29 09:50 | Martinez Portero/Vega Hernandez v Matos/M R Alves | 7-6,3-6,10-7 |
| Challenger Antalya MD | 2021/01/28 13:10 | Martinez Portero/Vega Hernandez v Agabigun/Kirkin | 6-1,6-4 |
| Challenger Istanbul MD | 2021/01/19 15:05 | Martinez Portero/Vega Hernandez v Kolar/Walkow | 3-6,7-6,8-10 |