| 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 |
| 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 |