| Result | Tournament |
|---|---|
| Dennis Amundson defeated Mark Horn Sr | 2020 Derby City Classic One Pocket |
| Mark Horn Sr defeated Mark Strain | 2020 Derby City Classic One Pocket |
| Johnny Willis defeated Mark Horn Sr | 2020 Derby City Classic One Pocket |
| Thomas Kirsch defeated Mark Horn Sr | 2020 Derby City Classic Bank Pool |
| Jeremy Slye defeated Mark Horn Sr | 2020 Derby City Classic Bank Pool |
| Julio Burgos defeated Mark Horn Sr | 2020 Derby City Classic 9-Ball |
| Mark Horn sr defeated Derek Mereszak | 2019 Derby City Classic One Pocket |
| Mark Horn sr defeated Glen Bowman | 2018 Derby City Classic Bank Pool |
| Mark Horn sr defeated David Siltz | 2018 Derby City Classic Bank Pool |
| Mark Horn sr defeated Timothy Wotherspoon | 2018 Derby City Classic 9-Ball |
| Mark Horn sr defeated Kelly Isaac | 2018 Derby City Classic 9-Ball |
| Mark Horn sr defeated Phillip Tieu | 2018 Derby City Classic 9-Ball |
| Mark Horn sr defeated Can Salim | 2017 Derby City Classic One Pocket |
| Mark Horn sr defeated Merrill Hudon | 2017 Derby City Classic 9-Ball |
| Mark Horn sr defeated Steve Dunkley | 2016 Derby City Classic One Pocket |
| Mark Horn sr defeated Kyle Hampp | 2015 Derby City Classic Bank Pool |