| Result | Tournament |
|---|---|
| Tim Gaumer defeated Harold Prine | 2023 Derby City Classic One Pocket |
| Harold Prine defeated Russ Chewning | 2023 Derby City Classic Bank Pool |
| Tom Bruno defeated Harold Prine | 2023 Derby City Classic Bank Pool |
| Harold Prine defeated Shane Norwood | 2023 Derby City Classic 9-Ball |
| Harold Prine defeated Shawn Johnston | 2023 Derby City Classic 9-Ball |
| Pijus Labutis defeated Harold Prine | 2023 Derby City Classic 9-Ball |
| Anthony Raga defeated Harold Prine | 2023 Derby City Classic 9-Ball |
| Harold Prine defeated Stephan Assmuss | 2013 Derby City Classic 9-Ball |
| Chris Szuter defeated Harold Prine | 2013 Derby City Classic 9-Ball |