Stadium: Court 4 Round: 27 Ground: Hardcourt outdoor
| ITF - M15 Sharm El Sheikh - Doubles Hommes | 2019/10/29 11:30 | Liu H / Wang C v Zielinski J / Zuk K | 4-6,1-6 |
| Stockholm, Doubles M-ITF-SWE-05A | 2019/09/28 14:00 | Zielinski J / Zuk K v Bergevi F / Lakat F | 3-6,6-7 |
| Stockholm, Doubles M-ITF-SWE-05A | 2019/09/27 15:00 | Podzus J / Podzus M v Zielinski J / Zuk K | 4-6,6-7 |
| Stockholm, Doubles M-ITF-SWE-05A | 2019/09/25 14:20 | Zielinski J / Zuk K v Matuszewski P / Tajima N | 6-2,6-4 |
| ITF - M15 Antalya - Doubles Hommes | 2019/09/21 12:15 | Zielinski J / Zuk K v Kalyanpur A / Stevenson K | 3-6,6-1,10-8 |
| ITF - M15 Antalya - Doubles Hommes | 2019/09/19 11:05 | Zielinski J / Zuk K v Agabigun S / Alkaya M | 6-1,6-2 |
| ITF - M15 Antalya - Doubles Hommes | 2019/09/17 11:50 | Zielinski J / Zuk K v Liska T / Puskar S | 6-2,6-1 |
| Challenger Szczecin MD | 2019/09/12 16:20 | Middelkoop M / Podlipnik-Castillo H v Zielinski J / Zuk K | 6-4,7-5 |