Head to head
0
Clay
1
1
Carpet
0
Jim Delaney's wins on the left · Byron Bertram's on the right · bar lengths share one scale
All meetings (2)
| 1977 | San Jose | Carpet | R32 | Jim Delaney | 6-2 2-6 6-3 |
| 1976 | Roland Garros | Clay | R128 | Byron Bertram | 4-6 6-4 7-5 2-6 6-3 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.