Sanctioned Matchup Predictor
Tom Koster vs Karen Cooke
Past Head-to-Head Rubbers (2)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Tom Koster | def. | Karen Cooke | BDTTA C Grade Rnd 6 Winter-Summer Pennant 2022 (2022-08-18) | +3 | |
| Tom Koster | def. | Karen Cooke | BDTTA C Grade 2025 Winter Pennant Rnd 12 (2025-11-06) | 0 |