Sanctioned Matchup Predictor
Ryan Geier vs Sam Duncan
Past Head-to-Head Rubbers (9)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Ryan Geier | def. | Sam Duncan | BDTTA Winter Pennant 2026 A Grade R12 (2026-10-14) | +5 | |
| Ryan Geier | def. | Sam Duncan | BDTTA Summer Pennant 2025 A Grade R17 (2025-05-28) | +8 | |
| Ryan Geier | def. | Sam Duncan | BDTTA Winter Pennant 2025 A Grade R3 (2025-08-06) | +5 | |
| Ryan Geier | def. | Sam Duncan | BDTTA Summer Pennant 2026 A Grade R16 (2026-05-27) | +2 | |
| Sam Duncan | def. | Ryan Geier | BDTTA Summer Pennant 2025 A Grade R10 (2025-04-09) | +10 | |
| Ryan Geier | def. | Sam Duncan | 5,-5,-7,4,4 | 2025 BDTTA Club Championships (2025-11-16) | +5 |
| Ryan Geier | def. | Sam Duncan | BDTTA Winter Pennant 2025 A Grade R14 (2025-11-19) | +4 | |
| Sam Duncan | def. | Ryan Geier | BDTTA Summer Pennant 2026 A Grade R7 (2026-03-18) | +14 | |
| Ryan Geier | def. | Sam Duncan | BDTTA Winter Pennant 2026 A Grade R6 (2026-08-19) | +3 |