Sanctioned Matchup Predictor
Mamun Haroon vs Leonid Grigoryan
Past Head-to-Head Rubbers (4)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Leonid Grigoryan | def. | Mamun Haroon | 6,-10,10,6,10 | GDTTA Masters Autumn Finals (2022-06-30) | +7 |
| Leonid Grigoryan | def. | Mamun Haroon | 5,8,9,-9,3 | GDTTA Masters Summer Pennant Round 6 (2022-03-03) | +20 |
| Leonid Grigoryan | def. | Mamun Haroon | 9,3,7,9 | GDTTA Masters Summer Pennant Round 1 (2022-01-27) | +24 |
| Leonid Grigoryan | def. | Mamun Haroon | 1,-9,6,13,7 | GDTTA Summer Thursday Pennant Round 1 (2023-01-26) | +3 |