Stadium: Court 6 Round: 54 Ground: Hardcourt indoor
| ITF M25 Stockholm | 2019/09/23 10:35 | Jan Zielinski v Oliver Johansson | 6-2,6-3 |
| ITF M15 Antalya | 2019/09/19 07:00 | Jan Zielinski v Marsel Ilhan | 5-7,4-6 |
| ITF M15 Antalya | 2019/09/18 07:40 | Jan Zielinski v Alejandro H Franco | 6-3,7-6 |
| Challenger Szczecin | 2019/09/09 12:15 | Kacper Zuk v Jan Zielinski | 6-7,7-6,6-2 |
| ITF M25 Poznan | 2019/08/20 12:00 | Denis Yevseyev v Jan Zielinski | 7-6,6-0 |
| ITF M25 Bydgoszcz | 2019/08/17 13:20 | Daniel Michalski v Jan Zielinski | 6-3,6-4 |
| ITF M25 Bydgoszcz | 2019/08/16 13:30 | Mohamed Aziz Dougaz v Jan Zielinski | 3-6,3-6 |
| ITF M25 Bydgoszcz | 2019/08/15 08:00 | Jan Zielinski v Yann Wojcik | 6-3,6-4 |
| ITF M25 Stockholm | 2019/09/23 10:30 | Carl Gustafsson v Aleksei Khomich | 6-7,4-6 |
| ITF M15 Minsk | 2019/08/22 07:00 | Aleksei Khomich v Ondrej Krstev | 2-6,5-7 |
| ITF M15 Minsk | 2019/08/20 10:35 | Niklas Johansson v Aleksei Khomich | 3-6,4-6 |
| ITF M15 Netanya | 2019/06/18 06:30 | Aleksei Khomich v Yaron Guberman | 6-2,1-6,9-11 |
| ITF M15 Netanya | 2019/06/17 06:30 | Aleksei Khomich v Amit Cohen | 6-3,6-1 |
| ITF M15 Akko | 2019/06/13 08:35 | Yshai Oliel v Aleksei Khomich | 6-0,6-1 |
| ITF M15 Akko | 2019/06/12 11:40 | Aleksei Khomich v Roi Ginat | 6-2,6-3 |
| ITF M15 Akko | 2019/06/10 07:00 | Aleksei Khomich v Sergey Dorozhkin | 6-3,6-1 |