Christian Grassmann has logged records in 10 patterns and JonHartford has logged records in 17 patterns.
They are competing for 1 record, and of these Christian Grassmann ranks better in 0 and JonHartford ranks better in 1.
| Pattern | Christian Grassmann | JonHartford |
|---|---|---|
| 5 club cascade in doubles | 15c | 33c |