Sanctioned Matchup Predictor
Mark Kerr vs Dianne O'Brien
Past Head-to-Head Rubbers (4)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Dianne O'Brien | def. | Mark Kerr | BDTTA Winter Pennant 2026 B Grade R11 (2026-10-06) | +11 | |
| Mark Kerr | def. | Dianne O'Brien | BDTTA Summer Pennant 2026 B Grade R1 (2026-02-03) | +34 | |
| Dianne O'Brien | def. | Mark Kerr | BDTTA Summer Pennant 2026 B Grade R10 (2026-04-14) | +14 | |
| Mark Kerr | def. | Dianne O'Brien | BDTTA Winter Pennant 2026 B Grade R4 (2026-08-04) | +4 |