| Result | Tournament |
|---|---|
| David Styers defeated John Roberts | 2013 Derby City Classic 9-Ball |
| John Roberts defeated James Wrightman | 2019 25TH Annual VNEA Ontario Provincials 8-Ball |
| Nick Lewis defeated John Roberts | 2019 25TH Annual VNEA Ontario Provincials 8-Ball |
| John Roberts defeated Greg Montgomery | 2019 25TH Annual VNEA Ontario Provincials 8-Ball |
| John Roberts defeated Craig Doxtator | 2019 25TH Annual VNEA Ontario Provincials 8-Ball |
| Rob Wylie defeated John Roberts | 2019 25TH Annual VNEA Ontario Provincials 8-Ball |