Sanctioned Matchup Predictor
Geoffrey Langhans vs Dale McDonald
Past Head-to-Head Rubbers (6)
| Winner | Loser | Score | Event | Rating Delta | |
|---|---|---|---|---|---|
| Dale McDonald | def. | Geoffrey Langhans | 8,7,7 | TTSA Pennant [Mon-Tue (2016-05-24) | +4 |
| Geoffrey Langhans | def. | Dale McDonald | 10,-8,10,5 | TTSA Pennant [Mon-Tue (2016-06-28) | +32 |
| Dale McDonald | def. | Geoffrey Langhans | 7,8,6 | 2017 Campbelltown Veterans Tournament (2017-06-04) | +5 |
| Dale McDonald | def. | Geoffrey Langhans | 8,9,9 | JTTA Open 2017 (2017-07-01) | +7 |
| Dale McDonald | def. | Geoffrey Langhans | 9,9,7 | 2019 SA State Veterans TTC (2019-07-21) | +1 |
| Dale McDonald | def. | Geoffrey Langhans | 6,10,-5,6 | TTSA WINTER PENNANT 2021 Week 8 (2021-06-21) | +6 |