| Danny Mastermaker defeated John Cook |
2014 U.S.Open 9-Ball |
| Moe Salamah defeated John Cook |
2014 U.S.Open 9-Ball |
| Daryl Peach defeated John Cook |
2015 U.S.Open 9-Ball |
| John Cook defeated Larry Phelgar |
2015 U.S.Open 9-Ball |
| Francisco Sanchez-Ruiz defeated John Cook |
2015 U.S.Open 9-Ball |
| Joseph Tourangeau defeated John Cook |
2016 Derby City Classic 9-Ball |
| Justin Bergman defeated John Cook |
2016 Derby City Classic 9-Ball |
| Rob Hart defeated John Cook |
2017 Derby City Classic 9-Ball |
| Alex Borukhovich defeated John Cook |
2017 U.S.Open 9-Ball |
| Bernard Walker defeated John Cook |
2017 U.S.Open 9-Ball |
| Donny Mills defeated John Cook |
2018 Derby City Classic 9-Ball |
| Alex Montpellier defeated John Cook |
2018 Derby City Classic 9-Ball |
| Peter Lau defeated John Cook |
2019 Derby City Classic 9-Ball |
| Chris Szuter defeated John Cook |
2019 Derby City Classic 9-Ball |