| Date | Tournament | State | Round | Joan Rosenthal | Roger Blom |
|---|---|---|---|---|---|
| 12/04/1993 | Australian Championship | SA | 15 | 425 | 286 |
| 27/01/1996 | City of Sydney Masters | NSW | 5 | 467 | 457 |
| 25/11/1996 | Trans-Tasman Challenge | NSW | 10 | 350 | 443 |
| 24/01/1997 | City of Sydney International Masters | NSW | 3 | 364 | 467 |
| 04/10/1999 | New South Wales Championships | NSW | 6 | 364 | 435 |
| Head-to-head after 5 games | 2 | 3 | |||
| Average score | 394.00 | 417.60 | |||
| Spread | -118 | 118 | |||