Sanctioned Matchup Predictor
Derek Qian vs Serena Zhang
Past Head-to-Head Rubbers (4)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Serena Zhang | def. | Derek Qian | 3,6,4 | 2019 CDTTA Pennant 1305 (2019-05-13) | +13 |
| Serena Zhang | def. | Derek Qian | 9,5,-6,8 | 2019 CDTTA Pennant 2406 (2019-06-24) | +6 |
| Serena Zhang | def. | Derek Qian | 4,8,-9,8 | 2019 CDTTA Pennant 1208 (2019-08-12) | +6 |
| Serena Zhang | def. | Derek Qian | -3,6,2,10 | 2019 CDTTA Pennant 1311 (2019-11-13) | +7 |