Sanctioned Matchup Predictor
Samuel Joseph vs Calvin Zhao
Past Head-to-Head Rubbers (5)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Samuel Joseph | def. | Calvin Zhao | 5,5,3,1 | 2025 GDTTA Summer League Sunday R 8 (2025-03-16) | +1 |
| Samuel Joseph | def. | Calvin Zhao | 4-0 | GDTTA Winter Sunday League R4 (2024-08-11) | +4 |
| Samuel Joseph | def. | Calvin Zhao | 4-0 | GDTTA Spring Sunday League R6 (2024-11-10) | +2 |
| Samuel Joseph | def. | Calvin Zhao | 4-1 | GDTTA Winter Sunday League R9 (2024-09-15) | +8 |
| Samuel Joseph | def. | Calvin Zhao | 4-0 | GDTTA Spring Sunday League R1 (2024-10-06) | +4 |