| John Gabriel defeated Mark Otto |
2014 Derby City Classic Bank Pool |
| Jason Klatt defeated Mark Otto |
2015 Derby City Classic Bank Pool |
| Rob Hart defeated Mark Otto |
2015 Derby City Classic Bank Pool |
| Mark Otto defeated Erik Phillips |
2015 Derby City Classic Bank Pool |
| Mark Otto defeated Josh Ludlum |
2016 Derby City Classic Bank Pool |
| Ko Ping-Chung defeated Mark Otto |
2016 Derby City Classic Bank Pool |
| John Meyers defeated Mark Otto |
2016 Derby City Classic Bank Pool |
| Steven Murphy defeated Mark Otto |
2017 Derby City Classic Bank Pool |
| Kaelin Conkright defeated Mark Otto |
2017 Derby City Classic Bank Pool |
| Nick Carrelli defeated Mark Otto |
2018 Derby City Classic Bank Pool |
| Ruslan Chinakhov defeated Mark Otto |
2019 Derby City Classic Bank Pool |
| Omar Al-Shaheen defeated Mark Otto |
2020 Derby City Classic Bank Pool |