Sanctioned Matchup Predictor
Andrew McCallum vs Heather Letwin
Past Head-to-Head Rubbers (6)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Andrew McCallum | def. | Heather Letwin | 6,6,5 | 2022 TTV Premier League Season3 Wednesday Round 7 (2022-11-09) | +12 |
| Heather Letwin | def. | Andrew McCallum | 10,5,7 | 2022 TTV Premier League Season3 Wednesday Round 1 (2022-09-21) | +14 |
| Heather Letwin | def. | Andrew McCallum | 11,6,9 | 2022 TTV Premier League Season3 Wednesday Round 10 (2022-11-30) | +16 |
| Heather Letwin | def. | Andrew McCallum | -3,10,9,-11,10 | 2022 TTV Premier League Season3 Wednesday Round 4 (2022-10-19) | +19 |
| Andrew McCallum | def. | Heather Letwin | 5,9,-9,6 | 2024 TTV Premier League Season1 Wednesday Round SF (2024-05-15) | +7 |
| Andrew McCallum | def. | Heather Letwin | 7,-2,6,6 | 2024 TTV Premier League Season1 Wednesday Round 1 (2024-02-21) | +17 |