| Jalal Yousif defeated Mark Osman |
2018 Derby City Classic Bank Pool |
| Benjamin Baier defeated Mark Osman |
2018 Derby City Classic Bank Pool |
| Jagroop Singh defeated Mark Osman |
2018 Derby City Classic One Pocket |
| 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 |
| 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 Richard Andrews |
2022 Derby City Classic One Pocket |
| Mark Osman defeated Patrick Roy |
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 |
| 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 Anthony LaRue |
2022 Derby City Classic Bank Pool |
| Mark Osman defeated Gerald Matchin |
2022 Derby City Classic One Pocket |
| 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 |