| Joey Haegmans defeated Jakub Siemaszko |
2019 Dynamic Billard Veldhoven Open 9-Ball |
| Davy Piergiovanni defeated Jakub Siemaszko |
2019 Dynamic Billard Veldhoven Open 9-Ball |
| Jouni Nykanen defeated Jakub Siemaszko |
2017 EuroTour Billard Dutch Open 9-Ball |
| Thomas Lindloff defeated Jakub Siemaszko |
2017 EuroTour Billard Dutch Open 9-Ball |
| Jakub Siemaszko defeated Saeed Al jafar |
2017 EuroTour Billard Dutch Open 9-Ball |
| Mateusz Szaszor defeated Jakub Siemaszko |
2016 EuroTour Billard Dutch Open 9-Ball |
| Matej Sulek defeated Jakub Siemaszko |
2016 EuroTour Billard Dutch Open 9-Ball |