| Result | Tournament |
|---|---|
| Babken Melkonyan defeated Thomas Koehler | 2019 Dynamic Billard Treviso Open 9-Ball |
| Miio Ronkonen defeated Thomas Koehler | 2019 Dynamic Billard Treviso Open 9-Ball |
| Rainer Scheffke defeated Thomas Koehler | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Radoslaw Babica defeated Thomas Koehler | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Thomas Koehler defeated Salah Alrimawi | 2019 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Henrique Correia defeated Thomas Koehler | 2019 Dynamic Billard Leende Open 9-Ball |
| Kristjan Kuusik defeated Thomas Koehler | 2019 Dynamic Billard Leende Open 9-Ball |
| Tobias Bongers defeated Thomas Koehler | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Nick Malai defeated Thomas Koehler | 2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Levan Rcheulishvili defeated Thomas Koehler | 2018 Dynamic Billard Treviso Open 9-Ball |
| Thomas Koehler defeated Hector Sanchez | 2018 Dynamic Billard Treviso Open 9-Ball |
| Bujar Baci defeated Thomas Koehler | 2018 Dynamic Billard Treviso Open 9-Ball |