Sanctioned Matchup Predictor
Jonathan Koay vs Rafael Sevilla
Past Head-to-Head Rubbers (3)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Jonathan Koay | def. | Rafael Sevilla | 4,7,9 | 2026 CDTTA Junior B & C Grade Autumn Rnd 5 (2026-06-10) | +5 |
| Jonathan Koay | def. | Rafael Sevilla | 3,1,-7,9 | 2026 CDTTA Junior B & C Grade Autumn Rnd 1 (2026-05-06) | +36 |
| Jonathan Koay | def. | Rafael Sevilla | 6,4,6 | 2026 CDTTA Junior B & C Grade Autumn Rnd SF (2026-06-17) | +3 |