| Result | Tournament |
|---|---|
| Mark Osman defeated Marcus Wronski | 2023 December 16 9-Ball |
| Marcus Wronski defeated Mark Osman | 2023 December 16 9-Ball |
| Mark Osman defeated Jack Fisher | 2023 December 16 9-Ball |
| Mark Osman defeated Brandon Bowen | 2023 December 16 9-Ball |
| Mark Osman defeated Chris White | 2023 December 16 9-Ball |
| Mark Osman defeated Doug Evans | 2023 December 16 9-Ball |
| Mark Osman defeated Dylan Leech | 2023 December 16 9-Ball |
| Mark Osman defeated Elvis Peacock | 2023 December 16 9-Ball |
| Doug Evans defeated Mark Osman | 2023 December 16 9-Ball |
| Mark Osman defeated Richard Andrews | 2022 Derby City Classic One Pocket |
| Mark Osman defeated Patrick Roy | 2022 Derby City Classic One Pocket |
| Tony Piazza defeated Mark Osman | 2022 Derby City Classic One Pocket |
| Hunter Smutney defeated Mark Osman | 2022 Derby City Classic One Pocket |
| Mark Osman defeated Gerald Matchin | 2022 Derby City Classic One Pocket |
| Mario He defeated Mark Osman | 2022 Derby City Classic Bank Pool |
| Mike Pankoff defeated Mark Osman | 2022 Derby City Classic Bank Pool |
| Mark Osman defeated Anthony LaRue | 2022 Derby City Classic Bank Pool |
| Mark Osman defeated Troy Jones | 2020 Derby City Classic Bank Pool |
| Tyrus Kelley defeated Mark Osman | 2020 Derby City Classic Bank Pool |
| Chris McDaniel defeated Mark Osman | 2020 Derby City Classic Bank Pool |
| Mark Osman defeated Brandon Cook | 2019 Derby City Classic Bank Pool |
| Mark Osman defeated Richard Knott | 2019 Derby City Classic Bank Pool |
| Ruslan Chinakhov defeated Mark Osman | 2019 Derby City Classic Bank Pool |
| Louis DeMarco Jr defeated Mark Osman | 2019 Derby City Classic Bank Pool |
| Jagroop Singh defeated Mark Osman | 2018 Derby City Classic One Pocket |
| Jalal Yousif defeated Mark Osman | 2018 Derby City Classic Bank Pool |
| Benjamin Baier defeated Mark Osman | 2018 Derby City Classic Bank Pool |