Head to head
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Clay
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Butch Seewagen's wins on the left · Alvaro Betancur's on the right · bar lengths share one scale
All meetings (2)
| 1976 | North Conway | Clay | R64 | Alvaro Betancur | 6-4 5-7 7-6 |
| 1976 | Washington-2 | Clay | R32 | Butch Seewagen | 6-2 3-6 6-2 |
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.