| Result | Tournament |
|---|---|
| Ryan Hollingsworth defeated Stephan Assmuss | 2017 Derby City Classic One Pocket |
| Jerry Matchin defeated Stephan Assmuss | 2017 Derby City Classic One Pocket |
| Stephan Assmuss defeated Hershel Rife | 2017 Derby City Classic Bank Pool |
| Stephan Assmuss defeated Carl Hawkins | 2017 Derby City Classic Bank Pool |
| Shane Winters defeated Stephan Assmuss | 2017 Derby City Classic Bank Pool |
| Yerry Calderon defeated Stephan Assmuss | 2017 Derby City Classic Bank Pool |
| Stephan Assmuss defeated Tim Long | 2017 Derby City Classic 9-Ball |
| Lee Van Corteza defeated Stephan Assmuss | 2017 Derby City Classic 9-Ball |
| Stephan Assmuss defeated Jody McLaughlin | 2017 Derby City Classic 9-Ball |
| Chris Szuter defeated Stephan Assmuss | 2017 Derby City Classic 9-Ball |
| Max Jenkins defeated Stephan Assmuss | 2013 Derby City Classic One Pocket |
| Jamie Wernsman defeated Stephan Assmuss | 2013 Derby City Classic Bank Pool |
| Stephan Assmuss defeated Michael Muhlbradt | 2013 Derby City Classic Bank Pool |
| Stephan Assmuss defeated Kim Tiszauer | 2013 Derby City Classic Bank Pool |
| Billy Thorpe defeated Stephan Assmuss | 2013 Derby City Classic Bank Pool |
| Harold Prine defeated Stephan Assmuss | 2013 Derby City Classic 9-Ball |
| Chip Compton defeated Stephan Assmuss | 2013 Derby City Classic 9-Ball |
| Stephan Assmuß defeated Eric Juvet | 2011 EuroTour Austria Open 9-Ball |