| Robert Williams defeated Ross MacDonald |
2017 East Coast Canadian Open 9-Ball |
| Jeremy Basque defeated Robert Williams |
2017 East Coast Canadian Open 9-Ball |
| Bruce Lilly defeated Robert Williams |
2017 East Coast Canadian Open 9-Ball |
| Robert Williams defeated Mike Nicksy |
2018 East Coast Canadian Open 8-Ball |
| Robert Williams defeated Mike Gillard |
2018 East Coast Canadian Open 8-Ball |
| Jason Thomas defeated Robert Williams |
2018 East Coast Canadian Open 9-Ball |
| Robert Williams defeated Dick Barker |
2018 East Coast Canadian Open 8-Ball |
| Ashley Nowlan defeated Robert Williams |
2018 East Coast Canadian Open 8-Ball |
| John Morra defeated Robert Williams |
2018 East Coast Canadian Open 8-Ball |
| Robert Williams defeated Randy Demont |
2018 East Coast Canadian Open 9-Ball |
| Brent Macintyre defeated Robert Williams |
2018 East Coast Canadian Open 9-Ball |
| Jamie Carter defeated Robert Williams |
2022 JR Wedge Memorial 8-Ball |
| Bill Macpherson defeated Robert Williams |
2022 JR Wedge Memorial 8-Ball |