| Result | Tournament |
|---|---|
| Allen Hopkins defeated Mark Horn | 2018 Derby City Classic One Pocket |
| Kevin West defeated Mark Horn | 2018 Derby City Classic One Pocket |
| Arron Wolfrey defeated Mark Horn | 2018 Derby City Classic Bank Pool |
| Stephen Aylesworth defeated Mark Horn | 2018 Derby City Classic Bank Pool |
| Johnny Archer defeated Mark Horn | 2018 Derby City Classic 9-Ball |
| Fedor Gorst defeated Mark Horn | 2018 Derby City Classic 9-Ball |
| Danny Hiner defeated Mark Horn | 2015 Derby City Classic Bank Pool |
| Efren Reyes defeated Mark Horn | 2015 Derby City Classic 9-Ball |
| Randall Truscott defeated Mark Horn | 2015 Derby City Classic 9-Ball |
| Mark Horn defeated Bryan Proctor | 2015 Derby City Classic 9-Ball |
| Liam Monk defeated Mark Horn | 2013 U.S.Open 9-Ball |
| Brady Behrman defeated Mark Horn | 2013 Derby City Classic 9-Ball |
| David Grossman defeated Mark Horn | 2013 Derby City Classic 9-Ball |
| Juan Carlos Exposito defeated Mark Horn | 2011 U.S.Open 9-Ball |
| Jesse Engel defeated Mark Horn | 2011 U.S.Open 9-Ball |