| Result | Tournament |
|---|---|
| Robert Shaffer defeated Dan Yenor | 2023 Hollenbeck's CC Friday - 12/22 9-Ball |
| Jeff Brown defeated Robert Shaffer | 2023 Hollenbeck's CC Friday - 12/22 9-Ball |
| Robert Shaffer defeated Rick White | 2023 Hollenbeck's CC Friday - 12/22 9-Ball |
| Robert Shaffer defeated Mccain Peters | 2023 Hollenbeck's CC Friday - 12/22 9-Ball |
| Robert Shaffer defeated Gary Knueppel | 2023 Hollenbeck's CC Friday - 12/22 9-Ball |
| Vince Schroeder defeated Robert Shaffer | 2023 Hollenbeck's CC Friday - 12/22 9-Ball |
| Robert Shaffer defeated Isaac Martinez | 2023 Hollenbeck's CC Friday - 12/22 9-Ball |
| Robert Shaffer defeated Dylon Hogan | 2023 Hollenbeck's CC Friday - 12/15 10-Ball |
| Robert Shaffer defeated Robert Alther | 2023 Hollenbeck's CC Friday - 12/15 10-Ball |
| Robert Shaffer defeated Nick Tarasoff | 2023 Hollenbeck's CC Friday - 12/15 10-Ball |
| Robert Shaffer defeated Mark Ksobiech | 2023 Hollenbeck's CC Friday - 12/15 10-Ball |