| Konstantinos Koukiadakis defeated Gregor Steindorfer |
2019 Dynamic Billard Treviso Open 9-Ball |
| Vincent Gomez defeated Gregor Steindorfer |
2019 Dynamic Billard Treviso Open 9-Ball |
| Quinten Pongers defeated Gregor Steindorfer |
2018 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Friedrich Rassi defeated Gregor Steindorfer |
2018 Dynamic Billard St. Johann im Pongau Open 9-Ball |
| Stefano Moretti defeated Gregor Steindorfer |
2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Gregor Steindorfer defeated Michael Huetter |
2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Wojciech Szewczyk defeated Gregor Steindorfer |
2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Gregor Steindorfer defeated Giacomo Maria Amorati |
2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Gregor Steindorfer defeated Michael Vollmer |
2019 Dynamic Billard Klagenfurt Open 9-Ball |
| Tim DeRuyter defeated Gregor Steindorfer |
2018 Dynamic Billard Klagenfurt Open 9-Ball |
| Bahram Lotfy defeated Gregor Steindorfer |
2018 Dynamic Billard Klagenfurt Open 9-Ball |
| Billy Steudte defeated Gregor Steindorfer |
2018 Dynamic Billard BHR Treviso Open 9-Ball |
| Kristjan Kuusik defeated Gregor Steindorfer |
2018 Dynamic Billard BHR Treviso Open 9-Ball |
| Panagiotis Xypoliteas defeated Gregor Steindorfer |
2017 EuroTour Billard Klagenfurt Open 9-Ball |
| Mariusz Skoneczny defeated Gregor Steindorfer |
2017 EuroTour Billard Klagenfurt Open 9-Ball |
| Ahmet Murat Karaalp defeated Gregor Steindorfer |
2017 EuroTour Billard Austrian Open 9-Ball |
| Albert Casellas-Planas defeated Gregor Steindorfer |
2017 EuroTour Billard Austrian Open 9-Ball |