| Result | Tournament |
|---|---|
| Mike Leigh defeated Thomas Zack | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 9-Ball |
| Thomas Zack defeated Mike Slater | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 9-Ball |
| Thomas Zack defeated Danny Innocente | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 9-Ball |
| Thomas Zack defeated Michael Evans | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 9-Ball |
| Thomas Zack defeated Lino Garcia | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 9-Ball |
| Rodney Browne defeated Thomas Zack | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 9-Ball |
| Thomas Zack defeated Derick Shelton | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 8-Ball |
| Thomas Zack defeated James Dozier | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 8-Ball |
| Thomas Zack defeated John Eddy | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 8-Ball |
| Thomas Zack defeated Chris Horwich | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 8-Ball |
| Dan Scharenbroch defeated Thomas Zack | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 8-Ball |
| Shannon Hughes defeated Thomas Zack | 2019 ACS/OMEGA BILLIARDS NATIONAL CHAMPIONSHIPS 8-Ball |