Round: 27 Ground: Hardcourt indoor
| ITF M25 - Barnstaple - Herrdubbel | 2020/02/11 17:15 | Hou/Maker v Matusevich/Phillips | 6-7,0-6 |
| ITF M15 - Heraklion - Herrdubbel | 2019/11/05 10:30 | Johnson/Zielinski v Matusevich/Phillips | 6-1,6-2 |
| ITF M25 - Barnstaple - Herrdubbel | 2020/02/11 17:45 | Davies/Jones v Zielinski/Zuk | 2-6,2-6 |
| ITF M25 - Nussloch - Herrdubbel | 2020/01/25 13:00 | Haerteis/Heller v Zielinski/Zuk | 3-6,4-6 |
| ITF M25 - Nussloch - Herrdubbel | 2020/01/23 16:30 | Nijboer/Smits v Zielinski/Zuk | 4-6,6-7 |
| ITF M25 - Nussloch - Herrdubbel | 2020/01/22 18:45 | Hermans/Stevens v Zielinski/Zuk | 4-6,5-7 |
| ITF M25 - Nussloch - Herrdubbel | 2020/01/21 18:35 | Satral/Stanek v Zielinski/Zuk | 6-2,2-6,7-10 |
| ITF M15 - Telde - Herrdubbel | 2019/11/27 13:50 | Zielinski/Zuk v B Isern/Saez-Royuela Ariza | 6-2,6-2 |
| ITF M15 - Telde - Herrdubbel | 2019/11/26 15:00 | Zielinski/Zuk v Chavez Villalpando/Damas | 6-0,7-5 |
| ITF M15 - Sharm El Sheikh - Herrdubbel | 2019/11/02 11:15 | Vivero Gonzalez/Yu v Zielinski/Zuk | 3-6,1-6 |