Head to Head
| Polish National Tour | 2020/07/08 13:00 | Jan Zielinski v Kacper Zuk | 6-4,6-3 |
| Polish National Tour | 2020/06/23 08:00 | Kacper Zuk v Jan Zielinski | 6-2,3-6,6-2 |
| ITF M25 Barnstaple | 2020/02/13 11:20 | Kacper Zuk v Jan Zielinski | 3-6,6-0,6-1 |
| ITF M15 Sharm El Sheikh | 2019/10/30 11:25 | Jan Zielinski v Kacper Zuk | 3-6,3-6 |
| ITF M25 Stockholm | 2019/09/27 10:00 | Kacper Zuk v Jan Zielinski | 6-3,6-1 |
| Challenger Szczecin | 2019/09/09 12:15 | Kacper Zuk v Jan Zielinski | 6-7,7-6,6-2 |