Sanctioned Matchup Predictor
Robert Koppelhuber vs John Jackson
Past Head-to-Head Rubbers (2)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| John Jackson | def. | Robert Koppelhuber | 3-1 | NTTC 2017 Autumn Comp C Grade R5 (2017-03-12) | +3 |
| John Jackson | def. | Robert Koppelhuber | 3-0 | NTTC 2017 Autumn Comp C Grade R10 (2017-04-23) | +2 |