Sanctioned Matchup Predictor
Peter Castle vs Karl Ballhaus
Past Head-to-Head Rubbers (3)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Karl Ballhaus | def. | Peter Castle | 9,10,3 | Eastside 2026 Winter Div2 Rnd SF (2026-09-24) | +4 |
| Peter Castle | def. | Karl Ballhaus | -8,6,5,-16,4 | Eastside 2026 Winter Div2 Rnd 2 (2026-08-06) | +6 |
| Karl Ballhaus | def. | Peter Castle | -4,6,5,7 | Eastside 2026 Winter Div2 Rnd 5 (2026-08-27) | +7 |