Sanctioned Matchup Predictor
Jakob Grzan vs Jenny Leach
Past Head-to-Head Rubbers (8)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Jenny Leach | def. | Jakob Grzan | 2,13,5 | STTA 2025 Winter Pennants Week 2 (2025-03-12) | +31 |
| Jenny Leach | def. | Jakob Grzan | 5,-8,2,11 | STTA 2025 Winter Pennants Week 5 (2025-04-02) | +6 |
| Jenny Leach | def. | Jakob Grzan | -6,6,-8,6,8 | STTA 2025 Winter Pennants Week 9 (2025-05-14) | +6 |
| Jakob Grzan | def. | Jenny Leach | 2,-8,5,8 | STTA 2026 Winter Pennants Week 5 (2026-04-01) | +9 |
| Jenny Leach | def. | Jakob Grzan | STTA 2026 Winter Pennants Week 12 (2026-06-03) | +17 | |
| Jakob Grzan | def. | Jenny Leach | 5,-7,6,-8,10 | STTA 2026 Winter Pennants Week 9 (2026-05-13) | +12 |
| Jenny Leach | def. | Jakob Grzan | STTA 2026 Winter Pennants Week 15 (2026-06-24) | +15 | |
| Jakob Grzan | def. | Jenny Leach | STTA 2026 Winter Pennants Grand Finals (2026-08-05) | +4 |