Sanctioned Matchup Predictor
Guihua Ruan vs George Kolyvas
Past Head-to-Head Rubbers (3)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| George Kolyvas | def. | Guihua Ruan | 2,4,4 | Manningham 2025 Winter Pennant - Rd 5 (2025-07-30) | 0 |
| George Kolyvas | def. | Guihua Ruan | 5,5,4 | Manningham 2025 Winter Pennant - Rd 2 (2025-07-09) | 0 |
| George Kolyvas | def. | Guihua Ruan | 5,4,8 | Manningham 2025 Spring Season Rd 3 (2025-09-17) | 0 |