Sanctioned Matchup Predictor
Ollie Chang vs Seungheon Sean Yoo
Past Head-to-Head Rubbers (5)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Ollie Chang | def. | Seungheon Sean Yoo | 7,9,9 | 2025 Brisbane Flexi (Saturday) Week 17 (2025-10-25) | +21 |
| Ollie Chang | def. | Seungheon Sean Yoo | 4-3 | BTTA Weekly Challenge Matches 31/10 (2025-10-31) | +11 |
| Ollie Chang | def. | Seungheon Sean Yoo | -6,10,7,7 | 2025 Brisbane Flexi (Saturday) Week 19 (2025-11-15) | +6 |
| Ollie Chang | def. | Seungheon Sean Yoo | 3-2 | BTTA Weekly Challenge Matches 7/11 (2025-11-07) | +10 |
| Seungheon Sean Yoo | def. | Ollie Chang | 3-1 | BTTA Weekly Rated Matches 28/11 (2025-11-28) | +11 |